Step 4
Choose the repetition range you wish to use in your program and type in your 1RM, and the corresponding percentages you require (Just type in the number, without the %).

Step 5
Press ‘Calculate’
This is the ideal weight range for you to be lifting for your desired repetitions. We use a weight range because some days you will feel stronger than others.

Reps Percentage Range
6-10:    83.5%-73.5%
8-12:    78.5%-68.5%
10-15:  73.5%-61%
15-20:  61%-48.5%