Your fitness, calculated

All Calculators

Free, fast tools that can reuse your basic stats in this browser. No signup required.

What are you trying to accomplish?

Start with the result you need. FitCalc keeps each calculator independent while making it easier to carry the same basic measurements between tools.

Estimate maintenance calories and create a measured calorie target for weight loss.

Estimate maintenance calories and create a starting calorie and macro target for gaining weight.

Use BMI for a quick height-to-weight reference or estimate body fat from circumference measurements.

Only currently available FitCalc tools are listed here.

Estimate maintenance calories and create calorie and macro targets for your current goal.

Uses saved age, formula sex, height, weight, and unit preference when available.

Calculate body mass index from your height and weight and view the corresponding category.

Uses saved height, weight, and unit preference when available.

Estimate body fat percentage with the U.S. Navy circumference method.

Uses saved formula sex, height, and unit preference when available.