Part of the data ring
WHITELIGHTS

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

One-rep max

245 lb for 9 reps

Estimated one-rep max: about 311 lb (141 kg). The five formulas span 300–319 lb, so treat it as a range rather than a number.

Estimated one-rep max

141 kg

Mean of five published formulas. Range 136144 kg.

Formula1RMSource
Epley144.5Epley, 1985
Brzycki142.9Brzycki, 1993
Lombardi138.4Lombardi, 1989
O'Conner136.1O'Conner et al., 1989
Mayhew142.9Mayhew et al., 1992

SOURCE·Published formulae — Epley, Brzycki, Lombardi; IPF GL and DOTS coefficients·REVIEWED JUL 2026

So is 311 lb a good bench press?

If that lift is a bench press, 311 lb (141 kg) puts a man at 82.5–87.5 kg bodyweight at the 71st percentile of 29,914 judged competition benches — advanced. For a squat or a deadlift the same weight ranks lower, because those lifts are heavier for everyone.

SOURCE·Judged competition results (OpenPowerlifting)·29,914 judged bench presses, men 82.5–87.5 kg·REVIEWED JUL 2026

Percentages of that max

% of 1RMWeight
95%133.9
90%126.9
85%119.8
80%112.8
75%105.7
70%98.7
65%91.6
60%84.6
55%77.5
50%70.5

A sensible warm-up to it

StepWeightReps
40%56.45
55%77.55
70%98.73
80%112.82
90%126.91
Working141.01

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

Same weight, other rep counts

The whole rep range for 245 lb, so the estimate for any set you actually did is one click away.

SOURCE·Published formulae — Epley, Brzycki, Lombardi; IPF GL and DOTS coefficients·REVIEWED JUL 2026

245 lb × 9 — common questions

What is my one-rep max if I lift 245 lb for 9 reps?

About 311 lb (141 kg), taken as the mean of the Epley, Brzycki, Lombardi, O'Conner and Mayhew formulas. Individually they give 300 to 319 lb, so the range is the honest answer.

Is 311 lb a good bench press?

If the lift is a bench press, 311 lb (141 kg) puts a man at 82.5–87.5 kg bodyweight at the 71st percentile of 29,914 judged competition benches — advanced. That population all competed, so it is stronger than a gym average.

What should I warm up with?

The ramp below runs 124 lb × 5, 171 lb × 5, 218 lb × 3, 249 lb × 2, 280 lb × 1, then the working single at 311 lb. It is a conventional ladder rather than a rule; the test is that the last warm-up still moves fast.

See all 10 sites in this family, with what each one answers

Published by

Amit Sharma

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