Bench press 1RM notes
Bench estimates depend heavily on the standard you use. A paused bench is usually 5-10% lower than a fast touch-and-go bench for the same lifter. If you train for powerlifting, use a paused set or a touch-and-go set with an honest competition-style descent. If you train for general strength, keep the touch point, grip width, and arch consistent so the estimate tracks progress instead of setup changes.
Leg drive and upper-back position can move the number as much as a formula choice. A lifter who learns to hold a tighter arch and drive through the floor may add weight without adding pressing strength. That is not fake progress, but it means old rep sets and new rep sets are not perfectly comparable. Write down whether the set was paused, touch-and-go, close grip, wide grip, or feet-up.
Bench press estimates get noisy above eight reps because the triceps often fatigue before the chest or shoulders. A set of 12 may end because the lockout dies, not because the lifter is close to true max pressing strength. For bench, three to six reps is the cleanest range. As a loose ratio check, a strict overhead press is often 55-67% of a bench press 1RM, or bench is about 1.5-1.8 times the OHP.
When using bench numbers for programming, separate competition bench, close-grip bench, incline bench, and feet-up bench. They can all improve pressing strength, but each has a different limiting factor. A close-grip estimate may be useful for triceps accessory work while a paused competition estimate is better for heavy singles and meet prep. Keep one main bench standard for tracking long-term strength.
How the estimate works for this lift
e1RM still shows all six formulas because no single model owns the truth. Use the formula spread as a confidence range, keep the movement standard consistent, and round the result to loadable plates before building the percentage table.
For percentage programming, keep the same input style for at least one training block. Changing grip, stance, equipment, tempo, or range of motion can make the calculated max look like progress even when the actual adaptation is smaller. Consistency makes the calculator useful and keeps week-to-week comparisons honest over time.