One Rep Max for 172.5 kg × 4 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 172.5 kg × 4 reps?

Answer

Lifting 172.5 kg for 4 reps gives an estimated one rep max of
195.5 kg

A set of 4 reps at 172.5 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:

172.5 × (1 + 4 ÷ 30)

≈

172.5 × 1.1333

≈

195.5 kg

Training Weights as a % of 1RM

Percentages of your estimated max of 195.5 kg, the way most strength programmes prescribe load:

% of 1RMWorking Weight
95%185.7 kg
90%176 kg
85%166.2 kg
80%156.4 kg
75%146.6 kg
70%136.9 kg
65%127.1 kg
60%117.3 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 172.5 kg × 4 reps:

FormulaEstimated 1RM
Epley195.5 kg
Brzycki188.2 kg
Lombardi198.2 kg
O'Conner189.8 kg
Wathan195.6 kg
Lander190.4 kg
Mayhew201 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 172.5 kg × 4 reps? (The answer is: 195.5 kg). Enter the weight you lifted (e.g. 172.5), pick pounds or kilograms, and enter how many reps you managed (e.g. 4).

One Rep Max Table for 172.5 kg

RepsOne Rep Max% of 1RM
2 reps184 kg93.8%
3 reps189.8 kg90.9%
4 reps195.5 kg88.2%
5 reps201.3 kg85.7%
6 reps207 kg83.3%
7 reps212.8 kg81.1%
8 reps218.5 kg78.9%
9 reps224.3 kg76.9%
10 reps230 kg75%
11 reps235.8 kg73.2%
12 reps241.5 kg71.4%

FAQ

What is the one rep max for 172.5 kg × 4 reps?

Lifting 172.5 kg for 4 reps gives an estimated one rep max of 195.5 kg

How much of my max is 172.5 kg for 4 reps?

172.5 kg for 4 reps works out at 88.2% of an estimated one rep max of 195.5 kg.

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

90% of 195.5 kg is 176 kg and 70% is 136.9 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.