Amit's data tools
WHITELIGHTS

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

One-rep max

30 kg for 11 reps

Estimated one-rep max: about 40 kg. The five formulas span 38–42 kg, so treat it as a range.

Estimated one-rep max

40 kg

Mean of five published formulas. Range 3842 kg — above ten reps every formula is extrapolating, so this is a rough guide only.

Formula1RMSource
Epley41.0Epley, 1985
Brzycki41.5Brzycki, 1993
Lombardi38.1Lombardi, 1989
O'Conner38.3O'Conner et al., 1989
Mayhew40.0Mayhew et al., 1992

So is 40 kg a good bench press?

If that lift is a bench press, 40 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%37.8
90%35.8
85%33.8
80%31.8
75%29.8
70%27.8
65%25.9
60%23.9
55%21.9
50%19.9

A sensible warm-up to it

StepWeightReps
40%15.95
55%21.95
70%27.83
80%31.82
90%35.81
Working39.81

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.