Free fitness tools
Strength
Strength calculator
Free strength calculator: enter your bodyweight and a set of bench press, squat, deadlift, overhead press or barbell row to see your 1RM, strength level and how you compare to other lifters.
1RM calculatorCalculate your one-rep max (1RM) from any set of 1–10 reps, plus a table of training weights for every rep range. Free, works in kg and lb.
Strength standardsHow much should you lift for your bodyweight? Standards from Beginner to Elite for the bench press, squat, deadlift, overhead press and barbell row.
Nutrition and body
Calorie calculator: how many calories do you need?
Free calorie calculator: find your BMR and TDEE with the Mifflin-St Jeor formula and get daily calorie targets to lose, maintain or gain weight. Metric and imperial.
Protein calculator: how much protein do you need?Free protein calculator: find how many grams of protein you need per day to build muscle, lose fat or stay healthy, based on your bodyweight and goal. Metric and imperial.
BMI calculatorFree BMI calculator for adults: find your body mass index, your WHO weight category and the healthy weight range for your height. Metric and imperial units.
Body fat calculator (US Navy method)Free body fat percentage calculator using the US Navy tape-measure method: enter height, waist, neck (and hips for women) to estimate body fat, fat mass and lean mass.
Workout plans
Keep everything in one place: log workouts, meals and bodyweight in ForceIndex and watch your numbers improve.
Try ForceIndex freeNo sign-up needed · Works in your browser