One Rep Max (1RM) Calculator

1 RM 100%  
2 RM 95%  
3 RM 93%  
4 RM 90%  
5 RM 87%  
6 RM 85%  
7 RM 83%  
8 RM 80%  
9 RM 77%  
10 RM 75%  
11 RM 73%  
12 RM 70%  

One Rep Max Testing - Suggested Warmup

Reps Rest Weight
4 x 40% 10s  
4 x 40% 10s  
3 x 60% 30s  
2 x 75% 1m  
1 x 80% 2m  
1 x 85% 3m  
1 x 90% 4m  
1 x 95% 4m  
1 x 100% 4m  
1 x 105% 4m  
1 x 110% 4m  
1 x 115% 4m  

Pound (lb) | Killogram (kg) Conversion

lb
kg

Wilks Calculator

(Used to measure the strength of a lifter against other lifters despite different bodyweight and gender)

Wilks Score =