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Free Strength Calculators
No signup, no ads, pounds or kilograms. Each one uses the same validated math that runs inside Ægir Iron, and each links to the app if you want the number tracked automatically over time.
Powerlifting Score Calculator
Your Wilks-2, DOTS, and IPF GL (Goodlift) points from your squat, bench, deadlift, and bodyweight.
One-Rep Max Calculator
Estimate your 1RM from reps, or reps and RPE, using the RTS chart with an Epley fallback.
Strength Standards
See where your lifts land from beginner to elite for your bodyweight and sex.
Prefer the full picture? Ægir Iron tracks all of these from the sets you log, alongside periodization, meet planning, and load analytics. Get started free.