One Rep Max for 227.5 kg × 4 reps

One Rep Max Calculator
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What is the one rep max for 227.5 kg × 4 reps?

Answer

Lifting 227.5 kg for 4 reps gives an estimated one rep max of
257.8 kg

A set of 4 reps at 227.5 kg is

88.2%

of your estimated one rep max

Note: this is an estimate, not a tested max. Rep-based formulas are closest at 2–6 reps and drift further apart as the set gets longer. Warm up and use a spotter before attempting a true single.

How to Calculate One Rep Max

Epley Formula: 1RM = weight × (1 + reps ÷ 30)

The Epley formula assumes that every extra repetition you can complete corresponds to roughly 3.33% more weight on the bar. Put your set into it:

227.5 × (1 + 4 ÷ 30)

≈

227.5 × 1.1333

≈

257.8 kg

Training Weights as a % of 1RM

Percentages of your estimated max of 257.8 kg, the way most strength programmes prescribe load:

% of 1RMWorking Weight
95%244.9 kg
90%232.1 kg
85%219.2 kg
80%206.3 kg
75%193.4 kg
70%180.5 kg
65%167.6 kg
60%154.7 kg

Other One Rep Max Formulas

Published 1RM formulas disagree, and the gap widens with the rep count. This page answers with Epley; here is what the others give for 227.5 kg × 4 reps:

FormulaEstimated 1RM
Epley257.8 kg
Brzycki248.2 kg
Lombardi261.3 kg
O'Conner250.3 kg
Wathan257.9 kg
Lander251.1 kg
Mayhew265.1 kg

See Also

One Rep Max Calculator

This calculator estimates your one-rep max (1RM) — the heaviest weight you could lift for a single repetition — from a set you have already completed. For example, it can help you find out what is the one rep max for 227.5 kg × 4 reps? (The answer is: 257.8 kg). Enter the weight you lifted (e.g. 227.5), pick pounds or kilograms, and enter how many reps you managed (e.g. 4).

One Rep Max Table for 227.5 kg

RepsOne Rep Max% of 1RM
2 reps242.7 kg93.8%
3 reps250.3 kg90.9%
4 reps257.8 kg88.2%
5 reps265.4 kg85.7%
6 reps273 kg83.3%
7 reps280.6 kg81.1%
8 reps288.2 kg78.9%
9 reps295.8 kg76.9%
10 reps303.3 kg75%
11 reps310.9 kg73.2%
12 reps318.5 kg71.4%

FAQ

What is the one rep max for 227.5 kg × 4 reps?

Lifting 227.5 kg for 4 reps gives an estimated one rep max of 257.8 kg

How much of my max is 227.5 kg for 4 reps?

227.5 kg for 4 reps works out at 88.2% of an estimated one rep max of 257.8 kg.

What should I lift at 90% and 70% of that max?

90% of 257.8 kg is 232.1 kg and 70% is 180.5 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.