Max Lift Estimator

What did you lift?

Weight

Unitkglb

Enter a weight greater than 0.

Reps completed12345678910

Results

Estimated 1-rep max

115kg

average of 5 formulas · formulas range 112.5–117.6 kg · 115.8 unrounded

Formula

Tap a row to load it on the bar.

Load the bar

Working weightkg

Working set: 115 kg

25202.5

Bar 20 kg + each side 47.5 kg

1 × 25
1 × 20
1 × 2.5

Warm-up ramp · tap to load

Bar & plate settings

Bar weight

20 kg15 kg10 kg Custom bar weight

Plates you have (kg)

2520151052.521.2510.50.25

Round estimates to weights you can load (2.5 kg steps)

How the estimates work

Each formula predicts the share of your 1-rep max you can lift for a given number of reps. “Average” blends all five, which smooths out their individual biases. Estimates are most reliable from sets of 10 reps or fewer taken close to failure.

Brzycki — Brzycki, M. (1998). A Practical Approach To Strength Training. McGraw-Hill.
Epley — Epley, B. (1985). Poundage Chart. Boyd Epley Workout.
NSCA — Baechle, T.R., Earle, R.W., Wathen, D. (2000). Essentials of Strength Training and Conditioning, 2nd ed. Human Kinetics.
dos Remedios — dos Remedios, R. (2007). Men’s Health Power Training, p. 23. Rodale.
Lombardi — Lombardi, V.P. (1989). Beginning Weight Training. W.C. Brown.

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