Amit's data tools
WHITELIGHTS

Real judged lifts. Zero self-reported numbers. This is what strong actually is.

One-rep max

20 kg for 8 reps

Estimated one-rep max: about 25 kg. The five formulas span 24–25 kg, so treat it as a range.

Estimated one-rep max

25 kg

Mean of five published formulas. Range 2425 kg.

Formula1RMSource
Epley25.3Epley, 1985
Brzycki24.8Brzycki, 1993
Lombardi24.6Lombardi, 1989
O'Conner24.0O'Conner et al., 1989
Mayhew25.3Mayhew et al., 1992

So is 25 kg a good bench press?

If that lift is a bench press, 25 kg puts a man at 82.5–87.5 kg bodyweight at the 1st percentile of 29,914 judged competition benches — novice.

Percentages of that max

% of 1RMWeight
95%23.6
90%22.3
85%21.1
80%19.8
75%18.6
70%17.4
65%16.1
60%14.9
55%13.6
50%12.4

A sensible warm-up to it

StepWeightReps
40%9.95
55%13.65
70%17.43
80%19.82
90%22.31
Working24.81

A conventional ramp, not the ramp. Add or remove steps to taste — the point is to arrive warm and not tired.

One family of free data tools

See all 9 sites in this family, with what each one answers

Published by

Amit Sharma

Auckland real-estate agent and marketer. Builds free, sourced data tools.