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Training Percentage of 1RM Calculator
Convert a percentage of your one-rep max into working weights.
target Free Online Tool
⚡ Instant Results
📊 Clear Comparison
🔒 100% Free Tool
Working weight
Compare Your Options And Get Clear Answers
Convert a percentage of your one-rep max into working weights.
Training Percentage of 1RM Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Working weight = 1RM x percentage / 100.
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
Training Quick Guide
Typical values for reference.
| 1RM | Percent | Rounding | Weight |
|---|---|---|---|
| 100 | 60 | 2.5 | 60.0 kg |
| 100 | 70 | 2.5 | 70.0 kg |
| 100 | 80 | 2.5 | 80.0 kg |
| 100 | 90 | 2.5 | 90.0 kg |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Training Percentage of Calculator FAQ
Answers to common questions about this calculator.
The heaviest weight you can lift once with good form.
Often 80 to 90 percent for low reps.
Often 65 to 80 percent for moderate reps.
Use a spotter and sensible progression.