Training tools
Fitness Calculators
Working weights, loaded plates, and a plan for the warm-up. Keep the numbers close to your training.
1RM Estimator
Calculate your one-rep max from reps.
Unit:
Weight:
Reps:
Estimated 1RM
258 lbs
Epley 258 lbs
Brzycki 258 lbs
Headline 1RM is the consensus average of Epley and Brzycki formulas (up to 10 reps), matching your workout progress estimates.
| % 1RM | Weight | Est. Reps | Plates / side |
|---|---|---|---|
| 100% | 258 lbs | 1 | 2×45 + 1×10 + 1×5 + 1×2.5 |
| 95% | 245 lbs | 2 | 2×45 + 1×10 |
| 90% | 232 lbs | 4 | 2×45 + 1×2.5 |
| 85% | 219 lbs | 6 | 1×45 + 1×25 + 1×10 + 1×5 + 1×2.5 |
| 80% | 206 lbs | 8 | 1×45 + 1×25 + 1×10 |
| 75% | 194 lbs | 10 | 1×45 + 1×25 + 1×5 |
| 70% | 181 lbs | 12 | 1×45 + 2×10 + 1×2.5 |
| 65% | 168 lbs | 15 | 1×45 + 1×10 + 1×5 + 1×2.5 |
| 60% | 155 lbs | 20 | 1×45 + 1×10 |
Put this max to work
Pick a program and we'll turn your 258 lbs into working weights for every session.
Pre-fill 258 lbs for Barbell Squat:
Hatch Squat Program
2d/wk12-week twice-weekly Back Squat + Front Squat specialization cycle.
Candito 6-Week Strength
4d/wk6-week peaking cycle built around Squat, Bench, and Deadlift.
Juggernaut Method 2.0
4d/wk16-week block periodization moving through 10s, 8s, 5s, and 3s waves.