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Lift-specific tool

Bench press 1RM calculator

Estimate a bench press e1RM without pretending one set tells the whole story. Bench estimates are sensitive to pauses, touch point, setup tightness, and how close the set was to failure.

Best for

For lifters using the bench press in structured strength blocks who need a planning number before percentage work.

Estimate from a recent set

Lower-rep sets usually make better inputs.

Use the load you actually lifted with the technique you want to compare over time.

This public calculator accepts 1-12 reps and caps RPE-adjusted reps at 12.

Estimated result

Enter a recent set.

The output will show formula spread, RPE/RIR adjustment, and a conservative training max.

Bench press context

Bench estimates need consistent standards

Use the same bench standard each time: touch point, pause style, grip width, and lockout should match the way you train or test.

Bench press reps can drop quickly when setup looseness or triceps fatigue changes the set. A paused set and a touch-and-go set should not be treated as the same input.

Example: 100 kg x 5 at RPE 9 estimates higher than a true five-rep max because the calculator treats RPE 9 as roughly one rep in reserve.

Use the next calculator

Turn the bench e1RM into a training maxUse a lower anchor when bench volume or pauses make the estimate noisy.Plan the bench warm-upRamp up without turning warm-ups into extra work.

Formula and assumptions

  • Uses the same Epley and Brzycki formulas as the main 1RM calculator.
  • RPE adds estimated reps in reserve before calculating the e1RM.
  • The output is a bench press planning reference, not a tested meet max.

Use it well

  • Use a recent set with the same pause and range of motion you plan to repeat.
  • Prefer lower-rep sets when the next block is percentage-based.
  • Turn the e1RM into a training max before using it for week-to-week loading.
  • Use the plate calculator before loading the first work set.

Keep it honest

Caveats

  • Paused, touch-and-go, close-grip, and competition-style bench can produce different estimates.
  • Spotter help, uneven lockout, or changed range of motion can inflate the input.
  • Use coach, federation, or program standards when they are more specific.

References

Sources