AbraCalc

One-Rep Max for 50 kg ร— 8 Reps

Completing 8 reps at 50 kg projects an estimated one-rep max of around 63 kg.

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How to use this tool

  1. Enter weight lifted and reps performed in the fields above.
  2. Results update instantly as you type โ€” or click Calculate.
  3. Read your estimated 1rm and the full breakdown beneath it.

Calculate your projected 1RM based on completing 8 reps with 50 kg on the barbell.

Frequently asked questions

What is the Epley formula?
Epley 1RM = weight ร— (1 + reps รท 30). It is one of several accepted formulas; accuracy decreases for sets above 10 reps.
Is the estimated 1RM accurate?
It is an estimate. Studies show Epley is accurate to within ~5% for sets of 1โ€“10 reps. For very high rep sets (15+) accuracy drops โ€” use sets of 3โ€“8 for best results.