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Deadlift Calculator

Calculate estimated 1 rep max deadlift

🏋️Deadlift Calculator

A deadlift one-rep max calculator estimates peak lifting strength from submaximal efforts. The deadlift is one of the "big three" powerlifting movements and a key measure of overall posterior chain strength.

  1. 1Same 1RM formulas as bench press: Epley, Brzycki, or Lander
  2. 2Epley: 1RM = Weight × (1 + Reps / 30)
  3. 3Best tested with 1–5 rep sets for accuracy
120kg for 5 reps=1RM ≈ 140kg120×(1+5/30) = 120×1.167 = 140
Level80kg bodyweight90kg bodyweight
Beginner80kg90kg
Intermediate140kg157kg
Advanced195kg218kg
Elite253kg281kg

Fun Fact

The all-time world record conventional deadlift is 501kg (1,104 lb) by Hafthor Björnsson (Game of Thrones' "The Mountain") set in May 2020.

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