# 1RM Max Calculator

> 7 proven formulas for lifting

Canonical page: [https://chrome-stats.com/d/id1110502852](https://chrome-stats.com/d/id1110502852)

## Overview

- **ID:** `id1110502852`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Kazumasa Shimomura
- **Category:** Health & Fitness
- **Rating:** 4.20 / 5 (22 ratings)
- **Version:** 3.5.0
- **Last updated:** 2026-05-18
- **First published:** 2016-05-05
- **Size:** 10 MB
- **Data as of:** 2026-09-22
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/1rm-max-calculator/id1110502852)
- **Privacy policy:** [https://hackmd.io/Q2BHugbSSPKPyFm6DYd-hg?view](https://hackmd.io/Q2BHugbSSPKPyFm6DYd-hg?view)

## Description

Most accurate 1RM calculation using 7 scientific formulas! Professional-grade precision trusted by athletes. Discover your true max with simple operation.

Accurate 1RM calculation using 7 scientific formulas

Calculate your maximum weight for bench press, squat, and deadlift instantly!
Using the average of 7 different proven formulas (Epley, Brzycki, Lander, and more) trusted by professional athletes to determine the most reliable 1RM.

[Why choose this app?]
- High-precision 1RM calculation using multiple formulas
- Simple and intuitive interface
- Comprehensive progress tracking
- Data visualization for growth monitoring

[Key Features]
- Support for 3 major lifts (bench press, squat, deadlift)
- 7 scientific calculation formulas for precise results
- Calendar function for daily record management
- Graph display for progress visualization
- One-tap data saving
- Full offline functionality

[Perfect for]
- Athletes wanting to track training effectiveness
- Lifters needing accurate 1RM calculations
- Anyone planning structured training programs
- Fitness enthusiasts tracking their progress

Make your training more scientific and effective.
Take your lifting to the next level!

Trusted by over 7,000 users worldwide.

## Rankings

- #248,136 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id1110502852)