The full toolkit
Calorie & Nutrition Calculators
Every calculator runs on one shared engine and shows the math behind the number. Pick a tool below or start with the calorie calculator.
Core calculators
Calorie Calculator
Daily calories to maintain, lose, or gain weight — from your BMR and activity, with all three equations compared.
BMR Calculator
The calories your body burns at complete rest, from all three equations side by side.
TDEE Calculator
Your total daily energy expenditure, broken into BMR, NEAT, exercise, and food-processing calories.
Calorie Deficit Calculator
The daily deficit and target date to reach your goal weight, capped at safe limits.
Macro Calculator
Protein, fat, and carbohydrate grams from your calories and chosen split.
Maintenance Calorie Calculator
The daily calories that keep your weight steady, plus a working range.
Body Fat Calculator
Body fat percentage, fat mass, and lean body mass from tape measurements or skinfolds.
BMI Calculator
Body Mass Index, your WHO category, healthy weight range, and ideal weight.
Exercise & calorie burn
Exercise Calorie Calculator
Calories burned across several activities in one session, using MET values.
Calories Burned Calculator
Calories burned for any activity, with a food-equivalent estimate.
Steps to Calories Calculator
Calories and distance from your step count, with presets for 5k–20k steps.
Walking Calorie Calculator
Calories, distance, and pace for a walk at any speed and incline.
Running Calorie Calculator
Calories burned on a run, with the per-mile cost.
Treadmill Calorie Calculator
Treadmill calories from speed and incline, with the incline effect shown.
Cycling Calorie Calculator
Calories on a road or stationary bike from speed or resistance.
Heart Rate Calorie Calculator
Calories from your average heart rate, using the Keytel equation.
Elliptical Calorie Calculator
Calories on the elliptical by resistance and time.
Rowing Machine Calorie Calculator
Calories on the rower by intensity and time.
StairMaster Calorie Calculator
Calories and floors climbed on the StairMaster.
Swimming Calorie Calculator
Calories in the pool by stroke and intensity.
Jump Rope Calorie Calculator
Calories and jump count for a skipping session.
Weight Lifting Calorie Calculator
Calories during a lifting session, plus the afterburn estimate.
Rucking Calorie Calculator
Calories for a loaded march, using the military Pandolf equation.
Goals & progress
Weight Loss Calculator
Daily calories, timeline, and weekly plan to hit your goal weight.
How Long Will It Take to Lose Weight
The weeks and target date to lose the weight at your chosen rate.
Calorie Surplus Calculator
Daily calories to gain, with projected weekly gain for lean or standard bulks.
Bulking Calorie Calculator
Calories and a macro split for a lean or standard bulk.
Protein Intake Calculator
Daily protein grams for your body weight and goal.
Carb Calculator
Daily carbohydrate grams from your calories, with a per-meal split.
Fat Intake Calculator
Daily fat grams from your calories, with a saturated-fat cap.
Zigzag Calorie Cycling Calculator
Two 7-day calorie schedules that average your daily target.
Food & conversion
Food Calorie Calculator
Calories and macros for any amount of a common food.
Recipe Calorie Calculator
Total and per-serving macros for a homemade recipe.
Nutrition Label Generator
A Nutrition Facts panel from your ingredients and serving size.
Food Energy Converter
Convert between kcal, calories, kilojoules, and joules.
Grams to Calories Calculator
Convert grams of each macronutrient into calories.
Specialized calculators
DRI Calculator for Healthcare Professionals
Dietary Reference Intakes — calories, macros, vitamins, and minerals — for a patient profile.
Dog Calorie Calculator
Daily calories and feeding amount for a dog.
Cat Calorie Calculator
Daily calories and feeding amount for a cat.
Army Body Fat Calculator
Body fat percentage and ABCP pass/fail from the Army tape method.
Alcohol Calorie Calculator
Calories in a drink from its type, strength, and size, plus a weekly total.