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RPE Calculator

Calculate estimated 1-Rep Max, training loads, and percentage-based weights from RPE and reps. Supports Epley, Brzycki, Lombardi, and O'Conner formulas with full %-1RM tables.

Lift Parameters

Enter your weight lifted, reps performed, and RPE rating

Weight Unit

Weight Lifted (lbs)

Reps Performed

RPE Rating (Rate of Perceived Exertion)

1RM Formula

Training Goal

Quick Presets

Common training scenarios — click to apply

RPE Scale Reference

Borg CR10 / Powerlifting RPE scale descriptions

% 1RM Load Table

Training weights across all percentages based on your estimated 1RM

%1RM	Weight	Reps (est.)	Zone

Formula Comparison

All 1RM formulas side by side

Estimated 1RM

—

lbs

RPE Rating—

Reps @ Weight—

% of 1RM—

Reps in Reserve—

Formula Used—

Key Training Loads

Max (100%)—

Heavy (95%)—

Heavy (90%)—

Strength (85%)—

Hypertrophy (75%)—

Moderate (70%)—

Endurance (60%)—

Warmup (50%)—