Free tools

Four calculators, free, no account. The same maths Alex Rivera's clients train on.

• One-rep max calculatorEstimate your 1RM from any set, and see what every rep range works out to at that strength.
• Macro calculatorSplit a daily calorie target into protein, carbs and fat you can actually hit.
• Calorie calculatorEstimate the calories you burn in a day, and what to eat to lose, hold or gain.
• Plate calculatorWhat to load on each side of the bar for any weight, without the mental arithmetic.