# Bench Press Calculator

> Estimate your Bench Press 1RM and generate a pyramid training routine.

Page: https://askcalculators.com/calculator/bench-press-calculator/
Definition: https://askcalculators.com/calculator/bench-press-calculator/definition.json
JSON Schema: https://askcalculators.com/calculator/bench-press-calculator/schema.json
Version: 7.0.0
Maintained by: AskCalculators (software project; not a credentialed reviewer)
Qualified review: pending. Automated checks do not establish professional approval.
Page status: Live
Review status: Pending

## Use
Open the calculator page and enter values. Query-string parameters can restore and bookmark a calculation.
Example: https://askcalculators.com/calculator/bench-press-calculator/?weight=185&reps=5

## Inputs
- weight: Weight Lifted; type=number; optional; default=185
- reps: Reps Performed; type=number; optional; default=5

## Outputs
- result: Result; format=text; primary

## Formula
Estimated one-repetition maximum uses the selected repetition formula; training percentages are derived from that estimate.

## Rules
- Empty optional inputs are undefined, not zero.
- Hidden conditional inputs are ignored.
- Do not invent missing required inputs.