One Rep Max (1RM) Estimator

Bench Press Max Calculator

Calculate bench press one-rep max and estimated multi-rep maxes.

One Rep Max Calculator

Calculate 1RM for weightlifting

One Rep Max Estimator

Estimate max weight for one repetition.

Running Pace & Splits Chart

Power-to-Weight Ratio Calculator

Push-up Calorie Calculator

Calculate calories burned doing push-ups.