Free Fitness Calculators
No registration required.
One Rep Max Calculator
Estimate your 1RM from any weight and rep count, plus a training percentages table.
Plate Calculator
Work out exactly which plates to load per side for any target weight.
Protein Calculator
Estimate a daily protein target from your bodyweight and activity level.
WOD Generator
Generate a personalised CrossFit-style or HIIT workout based on your available equipment, fitness level and workout duration.