One Rep Max for 45 lbs × 5 reps

One Rep Max Calculator

What is the one rep max for 45 lbs × 5 reps?

Answer

Lifting 45 lbs for 5 reps gives an estimated one rep max of

52.5 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

45 × (1 + 5 ÷ 30) = 52.5 lbs

comparison of methods: six other published formulas give 50.6–53.6 lbs

Training Weights as a % of 1RM
% of 1RM	Working Weight
95%	49.9 lbs
90%	47.3 lbs
85.7%	45 lbs — this set
85%	44.6 lbs
80%	42 lbs
75%	39.4 lbs
70%	36.8 lbs
65%	34.1 lbs
60%	31.5 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 45 lbs

Reps	One Rep Max	% of 1RM
2 reps	48 lbs	93.8%
3 reps	49.5 lbs	90.9%
4 reps	51 lbs	88.2%
5 reps	52.5 lbs	85.7%
6 reps	54 lbs	83.3%
7 reps	55.5 lbs	81.1%
8 reps	57 lbs	78.9%
9 reps	58.5 lbs	76.9%
10 reps	60 lbs	75%
11 reps	61.5 lbs	73.2%
12 reps	63 lbs	71.4%

FAQ

What is the one rep max for 45 lbs × 5 reps?

Lifting 45 lbs for 5 reps gives an estimated one rep max of 52.5 lbs

How much of my max is 45 lbs for 5 reps?

45 lbs for 5 reps works out at 85.7% of an estimated one rep max of 52.5 lbs.

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

90% of 52.5 lbs is 47.3 lbs and 70% is 36.8 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also