TDEE Calculator
Estimate your total daily energy expenditure (TDEE) — the number of calories you burn each day — from BMR and an activit...
Screening tools, body metrics, and calorie math you can trust.
BMI, body fat, BMR, and other health screening tools — clearly labelled as informational rather than diagnostic, with citations for each formula.
Estimate your total daily energy expenditure (TDEE) — the number of calories you burn each day — from BMR and an activit...
Calculates ABI = ankle systolic BP / brachial systolic BP. ABI < 0.9 indicates PAD, 0.9–1.3 is normal, > 1.3 may indicat...
Compute the hourly maintenance IV fluid rate using the Holliday–Segar 4-2-1 rule: 4 mL/kg/hr for the first 10 kg, 2 mL/k...
Compute the corrected QT interval (QTc) using the Bazett formula QTc = QT / √RR. Uses RR derived from heart rate (RR sec...
Estimates basal metabolic rate using the Mifflin–St Jeor equation: male = 10·W + 6.25·H − 5·A + 5; female = 10·W + 6.25·...
Calculates the Centor score (modified McIsaac) for strep throat: tonsillar exudates (+1), tender anterior lymph nodes (+...
Estimates creatinine clearance (CrCl) using the Cockcroft-Gault formula to assess kidney function for drug dosing adjust...
Applies the Ottawa Ankle Rules to determine if an X-ray is needed after ankle injury: pain in malleolar zone + bone tend...
Compute the ideal body weight (IBW) used for many medication dosing calculations, using the Devine formula: 50 kg (men)...
Convert a dose of one corticosteroid into the equivalent dose of another, using standard glucocorticoid potency multipli...
Compute the HAS-BLED score, a 9-item risk index for major bleeding in patients with atrial fibrillation on anticoagulati...
Estimates total daily energy expenditure TDEE = BMR × PAL, where PAL is the physical activity level multiplier: sedentar...
Calculates the Wells PE score from 7 clinical criteria. Score ≤ 4 = PE unlikely, > 4 = PE likely. Can guide D-dimer and...
Calculates the Wells DVT score to stratify pretest probability of deep vein thrombosis and guide D-dimer testing or ultr...
Compute basal metabolic rate (BMR) using the revised Harris-Benedict equation, an alternative to Mifflin-St Jeor.
Converts HbA1c percentage to estimated average glucose (eAG) in mg/dL and mmol/L using the ADAG study formula.
Calculates the grams of protein, fat, and carbohydrates from a total daily calorie target and percentage split. Remainin...
Applies the Modified Fischer Scale to CT findings after subarachnoid haemorrhage: Grade 1 (thin SAH, no IVH) to Grade 4...
Calculates the heart-rate corrected QT interval (QTc) using Bazett's formula from the measured QT interval and R-R inter...
Calculates ideal body weight using the Lorentz formula adjusted for sex. A positive or negative deviation shows how far...
Calculates the Child-Pugh score for liver cirrhosis severity from bilirubin, albumin, INR, ascites, and encephalopathy g...
Estimate body fat percentage from circumference measurements using the US Navy tape-measure method.
Calculates the Lee Revised Cardiac Risk Index from 6 factors (high-risk surgery, ischaemic heart disease, CHF, cerebrova...
Calculates Child-Pugh score from bilirubin, albumin, INR, ascites, and encephalopathy to classify liver cirrhosis severi...