One Rep Max for 255 lbs × 5 reps

One Rep Max Calculator

What is the one rep max for 255 lbs × 5 reps?

Answer

Lifting 255 lbs for 5 reps gives an estimated one rep max of

297.5 lbs

Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow

255 × (1 + 5 ÷ 30) = 297.5 lbs

comparison of methods: six other published formulas give 286.9–303.5 lbs

Training Weights as a % of 1RM
% of 1RM	Working Weight
95%	282.6 lbs
90%	267.8 lbs
85.7%	255 lbs — this set
85%	252.9 lbs
80%	238 lbs
75%	223.1 lbs
70%	208.3 lbs
65%	193.4 lbs
60%	178.5 lbs

See Also

BMI Meaning - Check what given BMI means
BMI Calculator (Imperial) - Body Mass Index Calculator (ft/in/lbs)
BMI Calculator (Metric) - Body Mass Index Calculator (kg/cm)
Ideal Weight Calculator (Imperial) - Find out the Ideal Weight for a given Height in feet/inches
Ideal Weight Calculator (Metric) - Find out the Ideal Weight for a given Height in centimeters

One Rep Max Table for 255 lbs

Reps	One Rep Max	% of 1RM
2 reps	272 lbs	93.8%
3 reps	280.5 lbs	90.9%
4 reps	289 lbs	88.2%
5 reps	297.5 lbs	85.7%
6 reps	306 lbs	83.3%
7 reps	314.5 lbs	81.1%
8 reps	323 lbs	78.9%
9 reps	331.5 lbs	76.9%
10 reps	340 lbs	75%
11 reps	348.5 lbs	73.2%
12 reps	357 lbs	71.4%

FAQ

What is the one rep max for 255 lbs × 5 reps?

Lifting 255 lbs for 5 reps gives an estimated one rep max of 297.5 lbs

How much of my max is 255 lbs for 5 reps?

255 lbs for 5 reps works out at 85.7% of an estimated one rep max of 297.5 lbs.

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

90% of 297.5 lbs is 267.8 lbs and 70% is 208.3 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also