Calculate your max squat with the most accurate 1RM calculator, using a dynamically weighted average of the four best 1RM formulas for squat. See the likely range for your 1RM and what each of the formulas predicts.
The chart above shows the Predicted 1RM and each formula’s 1RM estimate. The shaded range is where your actual 1RM most likely falls. This calculator works best for 3-15 reps. This is an estimation and there are a number of variables that cannot be accounted for with these formulas.
| % of 1RM | Weight | Predicted Reps |
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These are generally considered the most accurate 1RM formulas for squat. Our calculator uses a weighted average of all four that adjusts based on the rep count for consistent and accurate 1RM estimates. Brzycki is relied upon for lower reps, shifting to Epley and Wathen for moderate reps, and Desgorces for higher reps. Learn more about 1RM formulas or try our Bench Press or Deadlift 1RM calculators.
Use our full 1RM Calculator to select a specific formula or explore fitness-guides.