RepLog Features

The Best One Rep Max (1RM) Calculator App

Calculate your 1RM accurately using RPE and Reps. Track your strength potential.

Testing your true 1RM is taxing and risky. RepLog uses advanced formulas (Epley, Brzycki, and RPE-based) to give you an accurate Estimated 1RM every single session.

Why RepLog is built for Strength Athletes?

Real-Time Updates

Your e1RM is calculated instantly after every set, showing you your daily potential.

Formula Variety

We use multiple formulas to give you the most accurate estimate possible.

Trend Lines

Don't just see a number; see a graph of your strength potential over months.

Powerful Features for Strength Athletes

Epley Formula Calculation

Brzycki Formula Calculation

RPE-based Estimation

Historic 1RM Graph

Percentage Breakdown Table

Attempt Selection Helper

Personal Record Alerts

Sinclair/Wilks Conversion

"Know your strength without testing it. Train smarter with accurate 1RM data that guides your programming percentages."

Ready to level up?

Join thousands of lifters tracking their progress with RepLog. Download today and start your journey.

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