Strength training calculators

Free calculators for strength programming. Quick, accurate tools for the numbers coaches reach for every day — estimate maxes, convert RPE to load, and plan your sessions. Each one shows its working so you learn the math, not just the answer.

• One-rep max calculator Estimate your 1RM from weight and reps (Epley + Brzycki).
• RPE calculator Convert RPE and reps to a percentage of your 1RM.
• Plate calculator Which plates to load per side for any target weight.
• Wilks / DOTS calculator Score a total against bodyweight (DOTS + Wilks).
• Prilepin's table calculator Turn an intensity into rep and volume targets.
• AMRAP calculator Estimate a 1RM from an all-out top set.