Health Calculators

Estimate BMI, calories, BMR, TDEE, calorie deficit, and healthy weight ranges for general wellness planning.

HealthBMI CalculatorCalculate adult BMI, category, height-specific weight boundaries, BMI Prime, ponderal index, and optional waist-to-height context.HealthTDEE CalculatorModel adult total daily energy expenditure from Mifflin-St Jeor resting energy and a visible activity-multiplier scenario.HealthBMR CalculatorEstimate adult resting energy with Mifflin-St Jeor, compare revised Harris-Benedict, and audit every formula component.HealthCalorie Deficit CalculatorCompare an entered maintenance estimate with planned intake, a daily energy gap, or a static weekly-change shorthand without presenting the arithmetic as a weight forecast.HealthIdeal Weight CalculatorCompare four historical adult ideal-body-weight formulas with an exact BMI screening interval and a BMI-linked Peterson estimate, without presenting any result as a personal target.HealthSleep CalculatorPlan time in bed from a wake time or bedtime, or audit an overnight window with age-based duration context and an optional 80-100 minute cycle model.HealthPregnancy CalculatorEstimate due date, gestational age, trimester, term dates, and pregnancy milestones from LMP, a known due date, conception, ultrasound dating, or IVF transfer.HealthMacro CalculatorBuild an adult macro planning scenario from estimated or custom calories, then compare protein, carbohydrate, fat, fiber, and per-meal values.HealthProtein CalculatorCompare adult protein reference ranges from body weight, then review daily grams, an even meal split, calorie contribution, and current-intake context.