1RM Calculator & Barbell Plate Visualizer
Enter Lift Stats
lbs
5 Reps
Calculated Est. One-Rep Max
262
lbsBased on 225 lbs for 5 reps
Barbell Loading Simulator
Accurate graphic modeling loaded largest-to-smallest (inside out)
Simulator Target
262.5
lbs
←
Swipe Barbell
→
Physical Load
260.0
lbs
Plate Sandbox (Tap plates to load/unload barbell)
Plates Loaded (Per Side)
Collar: Inside → Out
Max Percentage Matrix
Tap any percentage row below to load that exact weight!
| Percentage | Weight Target | Reps Range | Action |
|---|
Epley Formula
262.5 lbs
Brzycki Formula
253.1 lbs
Lombardi Formula
258.6 lbs
O'Conner Formula
253.1 lbs
We utilize the average output of Epley & Brzycki to map out your core estimates. These calculations offer exceptional precision for lift efforts under 10 repetitions.