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Calculators

Every tool for Olympic weightlifting — free and no sign-up.

• 🏆

  Sinclair Calculator

  Compare performances across bodyweights using the official IWF Sinclair coefficient.

• 💪

  One-Rep Max Calculator

  Estimate your one-rep max from weight and reps (Epley, Brzycki & more).

• 📊

  Percentage Calculator

  Percentages of your 1RM for the snatch and clean & jerk — full training table.

• 🔩

  Plate Calculator

  Which plates to load on each side of the bar for your target weight.

• 🎯

  Attempt Planner

  Plan your opener, second and third attempts plus a warm-up progression for meet day.

• ⚖️

  kg ⇄ lb Converter

  Quickly convert between kilograms and pounds.

• 📈

  Strength Standards

  How much should you lift? Guideline numbers by bodyweight, sex and level.

• 🥇

  Wilks Calculator

  Compare powerlifting performances across bodyweights (Wilks points).

• 🔢

  DOTS Calculator

  Modern powerlifting score, the successor to the Wilks formula.

• 🏅

  IPF GL Calculator

  Official IPF GoodLift points for powerlifting (classic/raw).

• 🎚️

  RPE Calculator

  Convert RPE to % of 1RM and estimate your max from a single set.