Tools
Calculators that show their math. Everything runs in your browser, nothing you type is stored or tracked, and each tool explains where its numbers stop being reliable.
One-Rep Max (1RM) Calculator
Estimate your one-rep max from a recent set with Epley and Brzycki, see the spread between formulas, and get a rounded loading table in kg or lb.
Strength Standards & Lift Comparison
Turn your squat, bench and deadlift into bodyweight ratios and see exactly what a fair comparison needs: who is in the sample, which rules, and which lifts count.
DOTS and IPF GL Points Calculator
Score a powerlifting total or bench press with DOTS and IPF GL points, with the formulas and their limits explained.
Barbell Plate Calculator
Find the plates to load on each side for any target, with your bar, collars and plate inventory, in kg or lb.