# 1RM Calculator

> One Rep Max Strength

Canonical page: [https://chrome-stats.com/d/id1566775126](https://chrome-stats.com/d/id1566775126)

## Overview

- **ID:** `id1566775126`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Yuri Koshiishi
- **Category:** Health & Fitness
- **Rating:** 4.90 / 5 (112 ratings)
- **Version:** 1.6.2
- **Last updated:** 2025-02-12
- **First published:** 2021-05-10
- **Size:** 32 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/1rm-calculator/id1566775126)
- **Website:** [https://1rm-calculator.netlify.app/](https://1rm-calculator.netlify.app/)
- **Privacy policy:** [https://1rm-calculator.netlify.app/legal/privacy-policy/](https://1rm-calculator.netlify.app/legal/privacy-policy/)

## Description

1RM Calculator is a simple, user-friendly app for determining your one-rep max with an optional RPE input. It also estimates rep maxes from 2 to 12 based on your 1RM and tracks progress over time.

Save 1RM history by exercise, customize your exercise list, and enjoy a dark theme for comfortable training sessions.

## Rankings

- #127,295 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1566775126)