Workouts
Ab Workout Generator
A custom ab workout for your weakest zone, level and equipment.
Free tool · Workouts
One-rep max calculator
Keeping your strength on a cut is the clearest sign you're keeping muscle. Track your estimated 1RM from normal sets.
Results
- Estimated 1RM
- 169 lb
- Epley / Brzycki
- 171 / 168 lb
- Working weight for 8–12 reps
- 113–135 lb
Most accurate with sets of 10 reps or fewer.
How to use it
- Enter weight and reps from a hard set.
- Track the estimate week to week.
- Use the working range for hypertrophy sets.
Read next
FAQ
Is an estimated 1RM accurate?
Reasonably, for sets of 10 reps or fewer.
Why track strength on a cut?
Stable or rising strength suggests you're losing fat, not muscle.
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