One Rep Max Calculator

One Rep Max Calculator is a tool to calculate the one-rep max for weight lifting. The 1rm Calculator is calculated based on the weight lifted and the number of repetitions.

1rm Calculator

Weight lifted:
Repetitions
Your One Rep Max is:

1 Rep Max Calculator

Following is the 1 rep max calculator table that shows repetitions of 1RM, percentage of 1RM and weight lifted.

Repetitions of 1RM Percentage of 1RM Weight lifted
1 100%
2 97%
3 94%
4 92%
5 89%
6 86%
7 83%
8 81%
9 78%
10 75%
11 73%
12 71%
13 70%
14 68%
15 67%
16 65%
17 64%
18 63%
19 61%
20 60%
21 59%
22 58%
23 57%
24 56%
25 55%
26 54%
27 53%
28 52%
29 51%
30 50%




Weight Loss Percentage Calculator
Army Body Fat Calculator
Weight Loss
Weight Gain
Bench Press Calculator
BSA Calculator
One Rep Max Calculator
Water Intake Calculator
TDEE Calculator
BMI Calculator
BMR Calculator
FFMI Calculator
Macro Calculator
Body Fat Calculator
Bicycling Calorie Calculator
Calorie Calculator
Calorie Deficit Calculator