All Nutrition Calculators
215 free calculators across 11 categories. All work in your browser, free account available.
Body Composition (45)
BMI, body fat, FFMI, waist-to-hip, skinfold, and body measurement tools.
ABSI (A Body Shape Index)
Computes A Body Shape Index (Krakauer 2012), a waist-based mortality risk index independent of BMI....
OpenABSI Calculator
Calculate your A Body Shape Index (ABSI), a mortality risk predictor based on waist circumference. ...
OpenBAI (Body Adiposity Index)
Estimates body fat percentage from hip circumference and height using the Body Adiposity Index (Berg...
OpenBAI Calculator (Body Adiposity Index)
Calculate your Body Adiposity Index (BAI), an estimate of body fat percentage that uses only hip cir...
OpenBMI Calculator
Computes Body Mass Index (kg/m^2) from height and weight and classifies it against WHO adult weight ...
OpenBMI Calculator
Free BMI calculator with NIH health categories, body fat estimate, and ideal weight range. Instant r...
OpenChild BMI Percentile
Calculate BMI percentile for children and teens using CDC growth charts. Free pediatric BMI calculat...
OpenBMI Percentile (Children, CDC)
Estimates BMI-for-age percentile for children and teens (2-20 years) using CDC LMS growth charts....
OpenBody Fat Calculator
Calculate your body fat percentage using the U.S. Navy circumference method. Free body fat calculato...
OpenBody Fat % (Deurenberg Formula)
Estimates body fat from BMI, age, and sex using the Deurenberg 1991 prediction equation....
OpenBody Fat % (Durnin-Womersley 4-Site)
Estimates body fat from biceps, triceps, subscapular, and suprailiac skinfolds using the Durnin-Wome...
OpenBody Fat % (Jackson-Pollock 3-Site)
Estimates body fat from three skinfold measurements using the Jackson-Pollock 1978 generalized equat...
OpenBody Fat % (Jackson-Pollock 4-Site)
Estimates body fat directly from four skinfold sites (abdomen, thigh, triceps, suprailiac) and age u...
OpenBody Fat % (Jackson-Pollock 7-Site)
Estimates body fat from seven skinfold sites and age using the Jackson-Pollock 7-site generalized eq...
OpenBody Fat % (US Navy Method)
Estimates body fat percentage from circumference measurements using the U.S. Navy Hodgdon-Beckett 19...
OpenBody Fat % (YMCA Method)
Estimates body fat percentage from waist circumference and body weight using the YMCA linear equatio...
OpenBody Roundness Index
Computes the Body Roundness Index (Thomas 2013), which models body shape from waist and height to es...
OpenBody Shape Index (Risk)
Computes A Body Shape Index and an approximate mortality risk multiplier relative to population typi...
OpenBSA Calculator
Calculate Body Surface Area using Du Bois, Mosteller, Haycock formulas. Free BSA calculator used for...
OpenBSA (Du Bois)
Computes body surface area using the Du Bois & Du Bois 1916 formula....
OpenBSA (Haycock)
Computes body surface area using the Haycock 1978 formula, validated in infants, children, and adult...
OpenBSA (Mosteller)
Computes body surface area using the Mosteller 1987 simplified formula....
OpenConicity Index
Computes the Conicity Index (Valdez 1991), a waist-based shape measure of abdominal adiposity indepe...
OpenConicity Index Calculator
Calculate your Conicity Index from waist, weight, and height. A validated indicator of abdominal adi...
OpenCorpulence Index (Ponderal)
Computes the Corpulence (Ponderal) Index, weight divided by height cubed, an alternative to BMI for ...
OpenDurnin-Womersley 4-Site Skinfold Calculator
Estimate body fat percentage from four skinfolds (biceps, triceps, subscapular, suprailiac) using th...
OpenFat Mass Index
Computes the Fat Mass Index, fat mass normalized for height, a body composition complement to BMI an...
OpenFFMI (Fat-Free Mass Index)
Computes the Fat-Free Mass Index and normalized FFMI from weight, height, and body fat percentage....
OpenFFMI Calculator
Calculate your Fat-Free Mass Index (FFMI) to measure muscular development. Free FFMI calculator with...
OpenFrame Size (Wrist Method)
Determines small, medium, or large body frame from height-to-wrist-circumference ratio using the Gra...
OpenFrame Size Calculator
Determine your body frame size (small, medium, large) from wrist circumference or elbow breadth. Use...
OpenIdeal Weight (BMI-Based)
Computes ideal body weight as the weight corresponding to a target BMI (default 22) for a given heig...
OpenIdeal Weight Calculator
Find your ideal body weight using Devine, Hamwi, Miller, and Robinson formulas. Free ideal weight ca...
OpenIdeal Weight (Devine)
Estimates ideal body weight from height and sex using the Devine 1974 formula....
OpenIdeal Weight (Hamwi)
Estimates ideal body weight from height and sex using the Hamwi 1964 formula....
OpenIdeal Weight (Miller)
Estimates ideal body weight from height and sex using the Miller 1983 regression formula....
OpenIdeal Weight (Robinson)
Estimates ideal body weight from height and sex using the Robinson 1983 regression formula....
OpenJackson-Pollock 3-Site Skinfold Calculator
Calculate body fat percentage from three skinfold measurements using the Jackson-Pollock equations. ...
OpenLean Body Mass (Hume Equation)
Estimates lean body mass from height and weight using the Hume 1966 prediction equation....
OpenLean Body Mass Calculator
Calculate your lean body mass (LBM) and fat-free mass from body weight and body fat percentage. Free...
OpenRohrer's Index
Computes Rohrer's Index (ponderal index), a height-corrected measure of body mass used in pedia...
OpenRohrer's Index Calculator (Corpulence Index)
Calculate Rohrer's Index (Corpulence Index) from weight and height. A body build classification...
OpenWaist-to-Height Ratio
Computes waist-to-height ratio, a screening measure of abdominal obesity using the 'keep your w...
OpenWaist-to-Hip Ratio
Computes the waist-to-hip ratio and classifies cardiometabolic risk per WHO thresholds....
OpenWaist-to-Hip Ratio
Calculate your waist-to-hip ratio (WHR) to assess abdominal fat and metabolic risk. Free WHR calcula...
OpenBMR Calculator
Calculate your Basal Metabolic Rate (BMR) using the Mifflin-St Jeor and Harris-Benedict equations. F...
OpenBMR Formula Comparison Calculator
Compare Mifflin-St Jeor, Harris-Benedict (1919 and 1984 revised), Katch-McArdle, Cunningham, and Owe...
OpenCalories Burned Calculator
Calculate calories burned for 100+ exercises using MET values, body weight, and duration. Free exerc...
OpenCooper 12-Minute Run Calculator (VO2 Max)
Calculate your VO2 max from the distance you run in 12 minutes using the Cooper formula: VO2 = (dist...
OpenCunningham BMR Calculator (Athletes)
Calculate BMR for athletes using the Cunningham formula: BMR = 500 + 22 × LBM(kg). Validated in trai...
OpenHarris-Benedict Original (1919) BMR Calculator
Calculate Basal Metabolic Rate with the original 1919 Harris-Benedict equation. The first scientific...
OpenKatch-McArdle BMR Calculator
Calculate BMR using the Katch-McArdle formula: 370 + 21.6 × lean body mass. The preferred BMR equati...
OpenMetabolic Age Calculator
Calculate your metabolic age by comparing your BMR to age-matched population averages. A metabolic a...
OpenRMR Calculator
Calculate your Resting Metabolic Rate (RMR) with Mifflin-St Jeor and Katch-McArdle formulas. Free RM...
OpenTDEE Calculator
Calculate your Total Daily Energy Expenditure (TDEE) with activity multipliers. Free TDEE calculator...
OpenWater Intake Calculator
Calculate your optimal daily water intake based on body weight, activity, and climate. Free hydratio...
OpenMacros & Diet (8)
Macro splits, calorie deficit, protein, carbs, fat, fiber, sodium calculators.
Calorie Deficit Calculator
Calculate your ideal calorie deficit for safe, sustainable weight loss. Free calculator with persona...
OpenCarb Calculator
Calculate your optimal daily carbohydrate intake based on activity, goals, and dietary preference. F...
OpenFat Calculator
Calculate your optimal daily fat intake based on calories, goals, and dietary preference. Free fat c...
OpenFiber Calculator
Calculate your daily fiber needs based on calories and age. Free fiber calculator with food sources ...
OpenMacro Calculator
Calculate your optimal daily macronutrient split (protein, carbs, fat) based on your goals. Free mac...
OpenProtein Calculator
Calculate your daily protein needs based on body weight, activity level, and goals. Free protein cal...
OpenSodium Calculator
Calculate your daily sodium limit based on health status and activity. Free sodium calculator with f...
OpenSugar Calculator
Calculate your daily sugar limit based on AHA and WHO guidelines. Free sugar calculator with hidden ...
OpenFitness & Performance (10)
1RM, VO2 max, heart rate zones, running pace, Wilks, powerlifting scores.
1RM Calculator
Calculate your one rep max using Epley, Brzycki, and Lombardi formulas. Free 1RM calculator with per...
OpenHeart Rate Calculator
Calculate your heart rate training zones (fat burn, cardio, peak) using the Karvonen formula. Free h...
OpenRunning Pace Calculator
Calculate running pace, finish time, or distance. Free pace calculator for 5K, 10K, half marathon, m...
OpenRiegel Race Predictor
Predict race times at any distance from a known race result using Peter Riegel's formula: T2 = ...
OpenSinclair Score Calculator (Olympic Lifting)
Calculate your Sinclair score for Olympic weightlifting totals. Coefficient = 10^(A × log10(x/b)²). ...
OpenStrength Standards Calculator
Find your strength percentile for bench press, squat, deadlift, and overhead press based on bodyweig...
OpenVDOT Calculator (Jack Daniels)
Calculate your VDOT from any race time using Jack Daniels' running formula. Predicts equivalent...
OpenVO2 Max Calculator
Calculate your VO2 max using the Cooper 12-minute run test or Rockport walking test. Free VO2 max ca...
Open5/3/1 Wendler Calculator
Generate your Wendler 5/3/1 training cycle: training max (90% of 1RM), all working set weights for t...
OpenWilks Score Calculator (Powerlifting)
Calculate your Wilks score to compare powerlifting totals across bodyweight classes. The original Wi...
OpenVitamins & Minerals (32)
Vitamin D, B12, iron, calcium, magnesium, sodium, potassium, micronutrient intake.
Calcium Calculator
Daily calcium target: 1000-1200 mg. Bone health and muscle function....
OpenCholine Calculator
Daily choline AI: 550 mg (men), 425 mg (women). Liver function and brain development....
OpenChromium Calculator
Daily chromium AI: 35 µg (men), 25 µg (women). Glucose metabolism....
OpenCopper Calculator
Daily copper target: 900 µg. Iron metabolism and connective tissue....
OpenDRI Comprehensive Calculator
Get personalized Dietary Reference Intakes for all essential vitamins and minerals based on age, sex...
OpenElectrolyte Balance Calculator
Calculate Na:K ratio and electrolyte balance. Optimal ratio < 2.0....
OpenFluoride Calculator
Daily fluoride AI: 4 mg (men), 3 mg (women). Dental health....
OpenFolate Calculator
Calculate your daily folate needs based on age and pregnancy status. Free folate calculator with foo...
OpenIodine Calculator
Daily iodine target: 150 µg. Thyroid hormone production....
OpenIron Calculator
Daily iron target: 8-18 mg depending on sex and age. Oxygen transport....
OpenMagnesium Calculator
Daily magnesium target: 400-420 mg (men), 310-320 mg (women). 300+ enzymatic reactions....
OpenManganese Calculator
Daily manganese AI: 2.3 mg (men), 1.8 mg (women). Bone formation....
OpenMolybdenum Calculator
Free molybdenum calculator computes your daily target based on age and life stage. Includes food sou...
OpenOmega-3 Calculator
Calculate your daily omega-3 (EPA/DHA) needs based on health goals. Free omega-3 calculator with fis...
OpenPhosphorus Calculator
Daily phosphorus target: 700 mg. Bone health and ATP production....
OpenPotassium Calculator
Daily potassium AI: 3400 mg (men), 2600 mg (women). AHA recommends 4700 mg....
OpenSelenium Calculator
Daily selenium target: 55 µg. Thyroid function and antioxidant defense....
OpenVitamin A Calculator
Calculate daily Vitamin A (retinol) target: 900 µg RAE (men), 700 µg RAE (women). Food sources and d...
OpenVitamin B1 (Thiamin) Calculator
Calculate your daily Vitamin B1 (thiamin) needs based on age, sex, and life stage. Get food sources...
OpenVitamin B1 (Thiamin) Calculator
Daily thiamin target: 1.2 mg (men), 1.1 mg (women). Essential for energy metabolism....
OpenVitamin B12 Calculator
Calculate your vitamin B12 needs and deficiency risk based on diet and age. Free B12 calculator with...
OpenVitamin B2 (Riboflavin) Calculator
Daily riboflavin target: 1.3 mg (men), 1.1 mg (women). Important for energy production....
OpenVitamin B3 (Niacin) Calculator
Daily niacin target: 16 mg NE (men), 14 mg NE (women). Supports nervous system....
OpenVitamin B5 Calculator
Daily pantothenic acid AI: 5 mg for adults. Supports adrenal function....
OpenVitamin B6 Calculator
Calculate your daily Vitamin B6 needs based on age, sex, and life stage. Get food sources, deficienc...
OpenVitamin B6 Calculator
Daily B6 target: 1.3-1.7 mg (men), 1.3-1.5 mg (women). Important for amino acid metabolism....
OpenVitamin B7 (Biotin) Calculator
Daily biotin AI: 30 µg for adults. Supports hair, skin, and nail health....
OpenVitamin C Calculator
Daily Vitamin C target: 90 mg (men), 75 mg (women). Antioxidant and immune support....
OpenVitamin D Calculator
Calculate your daily vitamin D needs based on age, skin type, and sun exposure. Free vitamin D calcu...
OpenVitamin E Calculator
Daily Vitamin E target: 15 mg alpha-tocopherol. Antioxidant protection....
OpenVitamin K Calculator
Daily Vitamin K target: 120 µg (men), 90 µg (women). Essential for blood clotting....
OpenZinc Calculator
Daily zinc target: 11 mg (men), 8 mg (women). Immune function and wound healing....
OpenPregnancy & Fertility (5)
Due date, conception date, ovulation window, pregnancy weight gain, gestational calories.
Conception Calculator
Estimate your conception date from due date or last menstrual period. Free conception calculator wit...
OpenDue Date Calculator
Calculate your baby's due date from last period or conception date. Free due date calculator with tr...
OpenOvulation Calculator
Predict your ovulation date and fertile window based on menstrual cycle length. Free ovulation calcu...
OpenPregnancy Calorie Calculator
Calculate your daily calorie needs during pregnancy by trimester. Free pregnancy calorie calculator ...
OpenPregnancy Weight Gain
Calculate recommended pregnancy weight gain based on pre-pregnancy BMI. Free calculator using Instit...
OpenHealth Risk (8)
A1C glucose, cholesterol ratios, blood pressure staging, diabetes risk, cardiovascular risk.
A1C Calculator
Free A1C calculator converts A1C to estimated average glucose (eAG) and shows whether you fall in no...
OpenBlood Pressure Calculator
Free blood pressure calculator classifies your reading per 2017 ACC/AHA guidelines and computes puls...
OpenCaffeine Intake Calculator
Free caffeine calculator adds up your daily intake from coffee, tea, energy drinks, and chocolate. C...
OpenCardiovascular Risk Calculator (ASCVD)
Free ASCVD risk calculator estimates 10-year risk of heart attack or stroke using the ACC/AHA Pooled...
OpenCholesterol Ratio Calculator
Free cholesterol ratio calculator computes Total/HDL, LDL/HDL, TG/HDL and non-HDL cholesterol. Inclu...
OpenType 2 Diabetes Risk Calculator
Free type 2 diabetes risk calculator using the FINDRISC score. Estimates your 10-year risk in 8 quic...
OpeneGFR Calculator (Kidney Function)
Free eGFR calculator uses the 2021 race-free CKD-EPI creatinine equation to estimate kidney function...
OpenHOMA-IR Calculator (Insulin Resistance)
Free HOMA-IR calculator estimates insulin resistance from fasting glucose and insulin. Includes inte...
OpenDiet Patterns (16)
Keto macros, intermittent fasting windows, glycemic load, Mediterranean score, meal patterns.
Alcohol Calorie & BAC Calculator
Calories, alcohol grams, and estimated BAC from drinks....
OpenBody Recomposition Calculator
Simultaneous fat loss and muscle gain: calorie and protein targets....
OpenCarb Counting Calculator
Net carbs = total carbs - fiber - (sugar alcohols × 0.5)....
OpenChild Growth Percentile Calculator
Free child growth percentile calculator estimates height, weight, and BMI percentiles for ages 2-20 ...
OpenCreatine Dosage Calculator
Loading and maintenance dose by body weight and goal....
OpenDASH Diet Score
Score DASH diet adherence: fruits, veg, whole grains, low-fat dairy, nuts, sodium....
OpenDietary Inflammatory Index (DII)
Free Dietary Inflammatory Index (DII) calculator estimates the inflammatory potential of your diet. ...
OpenFODMAP Stacking Calculator
Track FODMAP loads across meals to avoid stacking....
OpenGLP-1 Calorie & Protein Calculator
Calorie and protein targets for GLP-1 medication users....
OpenGlycemic Load Calculator
GL = (GI × carbs) / 100. More accurate than GI alone....
OpenIntermittent Fasting Calculator
Free intermittent fasting calculator plans your 16:8, 18:6, OMAD, or 5:2 schedule with fasted-hour t...
OpenKeto Calculator
Strict, moderate, or lazy keto macros with electrolyte guidance....
OpenLeucine Threshold Calculator
Leucine needed for muscle protein synthesis: ~2.5-3g per meal....
OpenMediterranean Diet Score Calculator
Free Mediterranean Diet Score calculator uses the validated 14-item PREDIMED questionnaire. See your...
OpenMIND Diet Score
Mediterranean-DASH hybrid for brain health: 15 components....
OpenSatiety Index Calculator
Free satiety index calculator based on Holt 1995 research. Compare how full different foods keep you...
OpenLifestyle & Wellness (20)
Sleep debt, stress index, hydration target, caffeine intake, lifestyle health tools.
Caffeine Half-Life Calculator
Model caffeine decay based on CYP1A2 genetics and lifestyle factors....
OpenCaffeine Half-Life Calculator
Calculate caffeine decay over time based on CYP1A2 genetics. Estimates when caffeine drops below sle...
OpenChronotype Calculator (rMEQ)
Determine your chronotype (morning type, evening type, or intermediate) using the reduced Morningnes...
OpenChronotype Calculator (rMEQ)
Determine your chronotype using the reduced Morningness-Eveningness Questionnaire....
OpenCold Plunge Calculator
Cold water immersion protocol: 11 minutes/week at 10-15°C....
OpenWeekly Exercise Minutes Tracker
Track weekly exercise against WHO/AHA guidelines (150 min moderate + 2 strength days)....
OpenDaily Hydration Tracker
Personalized water intake goal based on body weight and activity....
OpenJet Lag Calculator
Light exposure timing for jet lag recovery based on time zones crossed....
OpenLight Exposure Tracker
Track daily lux-hours for circadian rhythm optimization....
OpenMood & Nutrition Journal Analyzer
Free mood and nutrition journal tracker. Log meals, sleep, and mood for 7-14 days to identify person...
OpenNEAT Estimator
Non-Exercise Activity Thermogenesis from daily activities....
OpenSauna Dose Calculator
Calculate weekly sauna protocol per Søberg principle: 57 min/wk hot, 11 min/wk cold....
OpenScreen Time Impact Calculator
Estimate health effects of daily screen time on sleep, eyes, and metabolism....
OpenScreen Time & Health Impact Calculator
Free screen time calculator estimates your daily total and impact on sleep, eye strain, and metaboli...
OpenSitting Breaks Calculator
Every 30-min sitting break recommendation and daily sitting time tracking....
OpenSleep Cycle Calculator
Calculate optimal bedtime/wake time based on 90-minute sleep cycles....
OpenSleep Debt Calculator
Calculate accumulated sleep debt over the past week....
OpenStep Cadence Calculator
Calculate walking intensity: 100+ steps/min = moderate activity....
OpenStress Index Calculator (PSS-10)
Free PSS-10 stress index calculator measures perceived stress using Cohen's validated 10-item P...
OpenStress Index (PSS-10)
Validated 10-item Perceived Stress Scale for psychological stress assessment....
OpenClinical Risk (47)
ASCVD, Framingham, CHA2DS2-VASc, FIB-4, HOMA-IR, GAD-7, PHQ-9 clinical tools.
A1c to Estimated Average Glucose (eAG)
Converts HbA1c to estimated average glucose (eAG) using the ADAG study formula (Nathan 2008)....
OpenAnkle-Brachial Index (ABI)
Computes the ankle-brachial index (ABI) from systolic blood pressures, used to screen for peripheral...
OpenApolipoprotein B (ApoB) Risk Stratifier
Stratifies atherosclerotic cardiovascular risk based on apolipoprotein B level, which directly refle...
OpenASCVD 10-Year Risk (Pooled Cohort Equations)
Estimates 10-year risk of first atherosclerotic cardiovascular event using the 2013/2018 ACC/AHA Poo...
OpenBlood Pressure Staging (ACC/AHA 2017)
Classifies blood pressure according to the 2017 ACC/AHA hypertension guideline, which lowered the th...
OpenCoronary Artery Calcium (CAC) Interpretation
Interprets the Agatston coronary artery calcium score, which is the strongest single predictor of co...
OpenCarb Counting & Net Carb Calculator
Calculate net carbs for diabetes management. Net carbs = total carbs − fiber − (sugar alcohols ÷ 2)....
OpenCGM Time in Range (TIR)
Calculates Time in Range (TIR) and related CGM metrics from percentage of time in each glucose range...
OpenCHA₂DS₂-VASc (Stroke Risk in AFib)
Estimates annual stroke risk in patients with non-valvular atrial fibrillation using the CHA₂DS₂-VAS...
OpenDiabetes Prevention Score (Finnish FINDRISC)
Estimates 10-year risk of type 2 diabetes using the Finnish Diabetes Risk Score (FINDRISC, Lindstrom...
OpenEPDS Postnatal Depression Scale
Free EPDS (Edinburgh Postnatal Depression Scale) screening for postnatal and antenatal depression. 1...
OpenFasting Glucose Interpreter
Interprets fasting plasma glucose according to ADA 2024 diagnostic criteria for normal, prediabetes...
OpenFIB-4 Index (Liver Fibrosis)
Estimates the probability of advanced liver fibrosis using the FIB-4 index (Sterling 2006), recommen...
OpenFramingham 10-Year General CVD Risk
Estimates 10-year risk of any cardiovascular disease event (D'Agostino 2008, Framingham Heart S...
OpenFramingham CHD Risk (Hard Endpoints)
Estimates 10-year risk of hard coronary heart disease (MI or coronary death) using the original Wils...
OpenFramingham 10-Year CVD Risk Calculator
Calculate your 10-year cardiovascular disease risk using the Framingham General CVD profile. Include...
OpenGAD-7 Anxiety Screener
Free GAD-7 (Generalized Anxiety Disorder-7) anxiety screening tool. 7 questions, 2-minute assessment...
OpenGLP-1 Calorie & Protein Calculator
Calculate calorie and protein targets for GLP-1 receptor agonist users (Ozempic, Wegovy, Zepbound). ...
OpenGMI (Glucose Management Indicator) Calculator
Calculate GMI (Glucose Management Indicator) from your CGM average glucose. GMI estimates A1C from c...
OpenGlucose Management Indicator (GMI) from CGM
Estimates HbA1c from continuous glucose monitor (CGM) mean glucose using the GMI formula (Bergenstal...
OpenHAS-BLED (Bleeding Risk on Anticoagulation)
Estimates 1-year major bleeding risk in patients on oral anticoagulation for atrial fibrillation usi...
OpenHOMA-IR (Insulin Resistance)
Estimates insulin resistance using the Homeostatic Model Assessment for Insulin Resistance (Matthews...
OpenHypertension in Pregnancy (ACOG)
Classifies blood pressure in pregnant women according to ACOG criteria for gestational hypertension...
OpenInsulin-to-Carbohydrate Ratio (ICR)
Estimates the insulin-to-carbohydrate ratio for meal insulin dosing using the 500 Rule (Walsh) and p...
OpenInsulin Sensitivity Factor (ISF) Calculator
Calculate your Insulin Sensitivity Factor (ISF) using the 1800 Rule. Estimates how much 1 unit of in...
OpenInsulin-to-Carb Ratio (ICR) Calculator
Calculate your Insulin-to-Carb Ratio (ICR) using the 500 Rule. Estimates how many grams of carbs are...
OpenInsulin Sensitivity Factor (ISF)
Estimates the insulin sensitivity factor (drop in glucose per unit of insulin) using the 1800 Rule (...
OpenKetone Level Interpreter (Beta-Hydroxybutyrate)
Interprets serum or capillary beta-hydroxybutyrate levels for nutritional ketosis, ketoacidosis, and...
OpenLactate Level Interpreter
Interprets blood lactate levels for tissue hypoperfusion, sepsis, metformin-associated lactic acidos...
OpenLipoprotein(a) Risk Stratifier
Stratifies cardiovascular risk based on lipoprotein(a) level, a genetically determined risk factor. ...
OpenMESA Risk Score (with optional CAC)
Estimates 10-year ASCVD risk using the MESA (Multi-Ethnic Study of Atherosclerosis) Risk Score, whic...
OpenMetabolic Age Calculator
Estimates 'metabolic age' by comparing your BMR (Mifflin-St Jeor) to age- and sex-matched ...
OpenMetabolic Syndrome (IDF)
Diagnoses metabolic syndrome using the International Diabetes Federation 2005 criteria, which requir...
OpenMetabolic Syndrome (NCEP ATP III)
Diagnoses metabolic syndrome using the NCEP ATP III 2004 revised criteria: 3 of 5 abnormalities (wai...
OpenNAFLD Fibrosis Score
Estimates the probability of advanced liver fibrosis in patients with NAFLD using the NAFLD Fibrosis...
OpenOral Glucose Tolerance Test (OGTT) Interpreter
Interprets 2-hour oral glucose tolerance test results according to ADA/WHO criteria for normal, pred...
OpenORBIT Bleeding Score (AFib)
Estimates 1-year major bleeding risk in atrial fibrillation patients on oral anticoagulation using t...
OpenOST Osteoporosis Self-Assessment Tool
Calculate OST (Osteoporosis Self-Assessment Tool) score for osteoporosis risk screening. Uses weight...
OpenPHQ-9 Depression Screener
Free PHQ-9 (Patient Health Questionnaire-9) depression screening tool. 9 questions, 2-minute assessm...
OpenPSQI Sleep Quality Index
Free PSQI (Pittsburgh Sleep Quality Index) sleep quality assessment. 7 components measuring sleep qu...
OpenPulse Pressure Analysis
Calculates pulse pressure (systolic minus diastolic) and classifies it as normal, widened, or narrow...
OpenQRISK3 (10-Year CVD Risk)
Estimates 10-year risk of cardiovascular disease using QRISK3, the UK clinical risk algorithm that i...
OpenReynolds Risk Score (Men)
Estimates 10-year risk of major cardiovascular event in men using the Ridker 2008 Reynolds Risk Scor...
OpenReynolds Risk Score Calculator
Calculate your 10-year cardiovascular risk using the Reynolds Risk Score. Adds hsCRP and parental hi...
OpenReynolds Risk Score (Women)
Estimates 10-year risk of major cardiovascular event in women using the Ridker 2007 Reynolds Risk Sc...
OpenStatin Benefit Estimator
Estimates absolute ASCVD risk reduction and number needed to treat (NNT) for statin therapy based on...
OpenUric Acid / Gout Risk Stratifier
Stratifies gout risk based on serum uric acid level, with sex-specific thresholds and interpretation...
OpenLab Value Interpreters (13)
Lipid panel, CMP, CBC, TSH, Ferritin, Fasting Insulin, lab value interpreters.
B12 Interpreter. Vitamin B12 with MMA Context
Interpret your serum vitamin B12 (cobalamin) result with borderline-zone guidance and methylmalonic ...
OpenCBC Interpreter. Complete Blood Count
Interpret your complete blood count (CBC). Reference ranges for RBC, WBC, hemoglobin, hematocrit, MC...
OpenCMP Interpreter. Comprehensive Metabolic Panel
Interpret your comprehensive metabolic panel (CMP): sodium, potassium, chloride, CO2, BUN, creatinin...
OpenFasting Insulin Interpreter. Insulin Resistance
Interpret your fasting insulin blood test in µIU/mL with insulin-resistance context. Reference: <...
OpenFerritin Interpreter. Iron Stores with Inflammation Adjustment
Interpret your ferritin blood test with sex-specific ranges and inflammation adjustment. Identify ir...
OpenFree T3 Interpreter
Interprets free triiodothyronine (FT3) levels, the biologically active thyroid hormone, in the conte...
OpenFree T4 Interpreter
Interprets free thyroxine (FT4) levels alongside TSH for the diagnosis of thyroid dysfunction....
OpenHomocysteine Interpreter. Cardiovascular & B-Vitamin Status
Interpret your serum homocysteine (µmol/L) blood test. Reference: <8 optimal, 8-12 normal, 12-15 ...
Openhs-CRP Interpreter. Cardiovascular Risk & Inflammation
Interpret your hs-CRP (high-sensitivity C-reactive protein) blood test in mg/L. CV risk: <1 low, ...
OpenLipid Panel Interpreter. ACC/AHA Targets
Interpret a complete lipid panel with ACC/AHA targets: total cholesterol, LDL-C, HDL-C, triglyceride...
OpenTestosterone Interpreter (Male)
Interprets total testosterone levels in adult males per Endocrine Society 2018 guideline, with thres...
OpenTSH Interpreter (Thyroid)
Interprets thyroid-stimulating hormone (TSH) levels per ATA/NACB 2024 reference ranges for euthyroid...
OpenVitamin D Interpreter, 25-OH-D Reference Ranges
Interpret your 25-hydroxyvitamin D blood test. Reference ranges: deficient <20, insufficient 20-3...
Open