Free calculators for trainers and clients: BMI, 1RM and daily calories. No sign-up, with the formulas explained.
Enter your weight and height to get your Body Mass Index and its WHO category. BMI is a quick health reference, not a measure of body composition.
Enter the weight you lifted and how many reps to estimate your 1RM with the Epley formula, and get a percentage table ready to program your sets.
Enter your sex, age, weight, height and activity level to calculate your daily energy expenditure (TDEE) with the Mifflin-St Jeor formula, and see how many calories to eat to maintain, lose or gain weight.