Free tools
Free nutrition calculators
Work out your calories, macros and protein in a few taps. No sign-up, and every formula is shown on the page.
Look up a food
- How much protein is in it?
Calories, protein, carbs and fat for any food, per real serving, from the USDA database.
- High-protein foods, ranked
Everyday foods sorted by protein per 100 calories, with protein per serving.
- Calories in common foods
Calories per serving and per 100 g, from eggs and fruit to pizza and beer.
Calories
- TDEE calculator
Your TDEE (total daily energy expenditure) is how many calories you burn in a day.
- Calorie calculator
Find how many calories a day you need to lose, maintain or gain weight.
- Calorie deficit calculator
Enter your goal weight and pace.
Macros and protein
- Macro calculator
Get your daily protein, carbs and fat in grams.
- Protein calculator
Find how many grams of protein you need a day, and per meal.
- Grams to calories calculator
Turn grams of protein, carbs, fat or alcohol into calories.
Keto and low carb
- Keto weight loss calculator
See how long keto might take to get you to your goal weight.
- Keto protein calculator
Find how much protein to eat on keto.
- Carb cycling calculator
Get macros for high-carb and low-carb days, and a plan for your week.
- Carb intake calculator
Find how many grams of carbs to eat a day.
Fasting
- Intermittent fasting calculator
Pick a fasting schedule and see how much weight you might lose.
Alcohol
- BAC calculator
Estimate your blood alcohol content (BAC) from what you drank, your weight and time.
App directories
- Free calorie tracking apps
15 free calorie counters compared, with what Reddit says about each.
- Open-source alternatives to paid apps
Free replacements for Photoshop, Notion, Office, Slack and 50+ more.