Calculators

Calculate your Body Mass Index from your height and weight.

Estimate your body fat percentage using the US Navy tape-measure method.

Estimate your daily calorie needs based on your body stats, activity level, and goal.

Calculate your daily calorie target for fat loss based on your TDEE and chosen pace.

Calculate your daily calorie target for muscle gain based on your TDEE and bulk pace.

Get high, normal, and low carb day targets to match your training schedule.

Replace all-purpose flour with almond, oat, coconut or buckwheat flour — with precise gram amounts.

A free in-browser HIIT interval timer. Set your work time, rest time, and number of rounds.

Find your ideal weight range based on your height using three evidence-based formulas.

Choose your IF protocol (16:8, 18:6, 20:4, or 5:2) and get your daily calorie targets.

Calculate your daily fat, protein, and net carb targets for a ketogenic diet.

Calculate your lean body mass and fat-free mass index to assess your muscular development.

Get a suggested protein, carb, and fat split based on your daily calorie target and goal.

Swap cooking oils with butter, coconut oil, applesauce or ghee — with instant gram conversion.

Find your daily protein target based on your body weight and goal.

A simple rest timer for strength training. Choose a preset or set a custom rest period.

Plan a gradual calorie increase from a dieting phase back to your maintenance level.

Convert sugar to stevia, erythritol & 11 more sweeteners with calorie and safety info.

Estimate your Total Daily Energy Expenditure (BMR × activity level).

Calculate your waist-to-hip ratio and assess cardiovascular health risk.

Estimate how much water you should drink daily based on your weight, age, and activity level.