One Rep Max for 305 lbs × 8 reps

One Rep Max Calculator

What is the one rep max for 305 lbs × 8 reps?

Answer

Lifting 305 lbs for 8 reps gives an estimated one rep max of

386.3 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

305 × (1 + 8 ÷ 30) ≈ 386.3 lbs

comparison of methods: six other published formulas give 366–391 lbs

Training Weights as a % of 1RM
% of 1RM	Working Weight
95%	367 lbs
90%	347.7 lbs
85%	328.4 lbs
80%	309 lbs
79%	305 lbs — this set
75%	289.7 lbs
70%	270.4 lbs
65%	251.1 lbs
60%	231.8 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 305 lbs

Reps	One Rep Max	% of 1RM
2 reps	325.3 lbs	93.8%
3 reps	335.5 lbs	90.9%
4 reps	345.7 lbs	88.2%
5 reps	355.8 lbs	85.7%
6 reps	366 lbs	83.3%
7 reps	376.2 lbs	81.1%
8 reps	386.3 lbs	79%
9 reps	396.5 lbs	76.9%
10 reps	406.7 lbs	75%
11 reps	416.8 lbs	73.2%
12 reps	427 lbs	71.4%

FAQ

What is the one rep max for 305 lbs × 8 reps?

Lifting 305 lbs for 8 reps gives an estimated one rep max of 386.3 lbs

How much of my max is 305 lbs for 8 reps?

305 lbs for 8 reps works out at 79% of an estimated one rep max of 386.3 lbs.

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

90% of 386.3 lbs is 347.7 lbs and 70% is 270.4 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also