Calories & Nutrition
10 free calculators & converters. Every tool runs entirely in your browser — nothing you type is uploaded.
Available calculators
Calorie Calculator
Free daily calorie calculator. Enter your stats and activity level to estimate how many calories you burn each day. Supports weight goal planning.
Calorie Deficit Calculator
Calculate your weekly and monthly fat loss from a calorie deficit. Enter your TDEE and daily calorie intake to see how fast you'll reach your goal.
Calories Burned by Distance
Estimate calories burned walking, running, or cycling a given distance. Enter distance and body weight to see approximate energy expenditure.
Calories Burned by Heart Rate
Estimate calories burned during cardio exercise using the heart-rate based Keytel formula. Inputs: age, weight, heart rate during exercise, duration. Free, no sign-up.
kJ to Calories Converter
Convert between kilojoules (kJ), Calories (kcal), and small calories (cal). Essential for reading nutrition labels in different countries.
Macro Calculator
Free macro calculator. Enter your daily calorie goal and preferred macro split to calculate your daily protein, carbohydrate, and fat targets in grams.
Protein Calculator
Calculate your daily protein intake goal based on your weight, activity level, and fitness goal. RDA, muscle-building, and dieting targets included.
MET to Calories Calculator
Convert MET (Metabolic Equivalent) values to calories burned for any activity. Enter body weight and activity intensity.
Steps to Calories Calculator
Convert steps to calories burned based on your body weight. Works for walking, running, and general movement.
TDEE Calculator
Free TDEE calculator. Estimate daily calorie burn including exercise and activity levels — the key number for weight loss and muscle gain planning.