Health & Medical
372 tools · page 4 of 7
- Ideal Weight (Robinson Formula) Calculator Find your ideal body weight with the Robinson (1983) formula from height and sex.
- IIFYM Macro Calculator Calculate your daily protein, carb, and fat grams for an 'if it fits your macros' (IIFYM) flexible diet, based on your calories and chosen protein/fat percentages.
- Magnesium Requirement Calculator Find your recommended daily magnesium intake (RDA) based on age and sex.
- Non-HDL Cholesterol Calculator Subtract HDL from total cholesterol to get atherogenic non-HDL cholesterol, with the total/HDL ratio.
- Normal Respiratory Rate by Age Calculator Look up the normal breaths-per-minute range for a given age.
- Reverse Diet Calorie Calculator Calculate your target calories after gradually raising intake by a fixed weekly amount over a set number of weeks, a common reverse dieting approach.
- Skeletal Muscle Mass Estimate Calculator Estimate your skeletal muscle mass in kilograms and as a percentage of body weight from basic anthropometric measurements.
- Steady-State Concentration Calculator Calculates the steady-state plasma concentration (Css) of a continuously infused drug from its infusion rate and clearance.
- Tidal Volume Calculator Calculate lung-protective tidal volume from ideal body weight and height.
- TIMI Frame Count Calculator Computes the corrected TIMI frame count (CTFC) and coronary flow time from frames counted and cine frame rate to grade coronary flow.
- 16:8 Fasting Schedule Calculator Get your daily eating and fasting times for the popular 16:8 intermittent fasting protocol.
- A Body Shape Index (ABSI) Calculator Calculate A Body Shape Index (ABSI) from waist circumference, BMI and height: WC ⁄ (BMI^(2/3) · height^(1/2)). ABSI captures abdominal fat risk independently of BMI.
- Absolute Neutrophil Count Calculator Calculates the absolute neutrophil count (ANC) from the white blood cell count and neutrophil percentages.
- Adaptive Thermogenesis Estimate Calculator Estimate how much your metabolism has adapted below what would be expected from weight loss alone during a sustained diet.
- Added Sugar Limit Calculator Calculate your daily added sugar limit both as 10% of your calories and against the American Heart Association's fixed daily recommendation.
- Albumin-to-Globulin Ratio Calculator Get the albumin/globulin ratio and the globulin level from serum albumin and total protein.
- Alveolar Gas Equation Calculator Compute alveolar oxygen pressure (PAO₂) and the A–a gradient from the alveolar gas equation.
- Appendicular Lean Mass Index Calculator Calculate your appendicular lean mass index (arm and leg lean mass divided by height squared) and compare it to common sarcopenia screening cutoffs.
- APRI Liver Score Calculator Calculate the AST-to-platelet ratio index (APRI) to screen for liver fibrosis and cirrhosis.
- Arm Muscle Area (AMA) Calculator Arm muscle area, corrected arm muscle area and arm muscle circumference from MUAC and the triceps skinfold.
- Baby Bottle Feeding Schedule Calculator Estimates a baby's daily milk volume (150 mL per kg, capped at 1000 mL), the number of feeds per day by age, and the amount per feed.
- Basal Body Temperature Shift Calculator Compare your pre-ovulation and post-ovulation basal body temperatures to detect the thermal shift that signals ovulation.
- Berg Balance Scale Calculator Interprets the Berg Balance Scale total score (0-56) into a fall-risk category.
- Bioimpedance Body Fat Estimate Calculator Estimate fat-free mass and body fat percentage from bioelectrical impedance analysis (BIA) resistance and reactance readings.
- Blood Sugar Converter Convert blood glucose between mg/dL and mmol/L and see the fasting range classification.
- BMI Percentile (Child) Calculator Estimate where a child's BMI falls on the BMI-for-age growth curve based on age, sex, height, and weight. This is an approximation, not a clinical growth chart.
- Body Cell Mass Calculator Estimate your body cell mass — the metabolically active tissue in muscle and organs — from your weight, body fat percentage and sex.
- Body Density Calculator Calculate body density from summed skinfold thickness, age and sex, then convert it to body fat percentage with the Siri equation.
- Body Mass Index (Asian Cutoffs) Calculator Calculate BMI and classify it with the WHO Asian cutoffs, where overweight starts at 23 and obesity at 25.
- Body Recomposition Change Calculator Compare two body-composition checks to see exactly how much fat you lost and how much lean mass you gained.
- Bone Mass Estimate Calculator Get an approximate skeletal bone mass in kilograms, and as a percentage of body weight, from your height and weight.
- Broca Index Ideal Weight Calculator Find your ideal body weight with the classic Broca index: height in cm minus 100, adjusted by sex.
- Brozek Body Fat Percentage Calculator Convert body density to body-fat percentage with the Brozek equation, plus fat and lean mass.
- Bulking Calorie Target Calculator Calculate your daily bulking calorie target from your TDEE and a target weekly weight-gain rate (1 lb of gain approximated at 3500 kcal).
- BUN/Creatinine Ratio Calculator Divide blood urea nitrogen by creatinine to get the BUN/creatinine ratio used to assess kidney function.
- Caffeine Cutoff Time Calculator Find the last time you can drink coffee so caffeine decays below a sleep-safe level by bedtime.
- Caffeine Half-Life Calculator Estimate how much caffeine is still in your system after a given number of hours.
- Caffeine Safe Limit Calculator Estimate your safe daily and single-dose caffeine limits based on body weight.
- Calcium-Phosphate Product Calculator Multiply serum calcium by phosphate to get the calcium-phosphate product used in CKD-MBD assessment.
- Calorie Cycling Calculator Calculate high-day and low-day calorie targets for a calorie cycling (zig-zag) diet that averages out to your weekly calorie goal.
- Carb Cycling Macro Calculator Calculate protein, high-day carbs, and low-day carbs for a carb cycling plan, based on your body weight and calorie targets for high and low days.
- Cardiac Risk (Framingham) Calculator Estimate your 10-year cardiovascular risk with the Framingham general CVD model.
- Cardiovascular Age Estimate Calculator Estimates a heart age from chronological age adjusted for blood pressure, smoking, diabetes and cholesterol.
- Cholesterol Intake Limit Calculator Compare your current daily dietary cholesterol intake against the standard 300mg guideline, or the stricter 200mg limit if you're at higher heart disease risk.
- Chronotype Bedtime Calculator Build a bed and wake schedule around the sleep midpoint that is typical for your chronotype.
- Coffee Nap Timing Calculator Time a coffee nap so you wake up just as the caffeine reaches its peak in your bloodstream.
- Cornell Voltage LVH Criteria Calculator Apply the Cornell voltage criteria for left ventricular hypertrophy: R wave in aVL + S wave in V3, compared with a sex-specific threshold. A common ECG screening index.
- Corrected Age for Preemies Compute a premature baby's corrected age from gestation.
- Corrected QT (Framingham) Calculator Estimates the Framingham heart-rate-corrected QT interval from the measured QT and heart rate.
- Corrected QT (Hodges) Calculator Estimates the Hodges heart-rate-corrected QT interval from QT and heart rate.
- Corrected Reticulocyte Count Calculator Adjust the reticulocyte percentage for anemia using the patient hematocrit (normal 45%).
- Cortisol to ACTH Ratio Calculator Computes the cortisol-to-ACTH ratio from cortisol (μg/dL) and ACTH (pg/mL) lab values.
- Covert Bailey Body Fat Calculator Estimate body fat percentage, fat mass and lean mass with a simple tape-measure method using waist and wrist circumference.
- Creatine Maintenance Dose Calculate a daily creatine maintenance dose from body weight.
- Daily Calcium Requirement Calculator Find your recommended daily calcium intake (RDA) based on age and sex.
- Daily Fiber Target Calculator Find your recommended daily fiber intake based on your age and sex, and compare it against a calorie-based estimate of 14g per 1,000 calories.
- Daily Fluid Intake Total Add up your daily fluid intake from several sources.
- Daily Hydration Goal (Climate) Calculator Estimate your daily water goal from body weight, adjusted for hot weather.
- Daily Potassium Target Calculator Find your recommended daily potassium intake (Adequate Intake) based on age and sex.
- Daily Salt Limit Calculator Convert a sodium guideline into a daily salt (grams) limit.