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Health & Fitness Calculators

BMI, calories, body fat, and more. 2 free calculators — no sign-up required.

Push-ups to Bench Press Calculator

Estimate your bench press 1RM from push-up reps using biomechanics-corrected load percentages. Includes push-up type corrections, four 1RM formulas, reverse conversion, and strength standards.

Calorie Calculator

Estimate your daily calorie needs based on height, weight, age, sex, and activity level using the Mifflin-St Jeor equation, with targets for weight loss, maintenance, and gain.