Bench Press Calculator

Why use an online bench press calculator?

You can easily and quickly calculate find your one-rep max for any exercise using MYcalcu’s bench press calculator.

This online calculator has no log-in or payment restrictions, and it is totally free.

How does it work?

You can find your one-rep max for this exercise by simply entering the weight you can lift for a number of repetitions.

Following are the equations used

  • Baechle–Weight × (1 + (0.033 × Number of repetitions ))
  • Lombardi–weight × reps ^ 0.1
  • Epley–weight × (1 + 0.0333 × reps)
  • Wathan–(100 × weight) / (48.8 + (53.8 × e ^ -0.075 × reps))
  • Brzycki–weight × (36 / (37—reps))
  • Mayhew–(100 × weight) / (52.2 + (41.9 × e-0.055 × reps))
  • Lander–(100 × weight) / (101.3–2.67123 × reps)
  • O’Conner–weight × (1 + 0.025 × reps)

How to use the one bench press calculator?

Enter the required data in the provided fields and then click calculate.


1 Bench Press

2 Bench Press

3 Bench Press

4 Bench Press

5 Bench Press

10 Bench Press

20 Bench Press

30 Bench Press

40 Bench Press

50 Bench Press

100 Bench Press

200 Bench Press

500 Bench Press