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.
please enter a round number from 1 to 30 for repetitions!
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% |
|