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Free strength and nutrition calculators — RPE charts, 1RM estimates, TDEE, macros, and more. No signup. Works offline.
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Evidence-Based Strength Tools
Every calculator on rpe.training is built on peer-reviewed formulas and established sports science standards — from the Tuchscherer/Helms RPE percentage table to the 2020 Wilks-2 and DOTS revisions. The tools are designed for lifters who want fast, accurate numbers between sets, not bloated apps behind paywalls. All data stays on your device, all calculations run in your browser, and the guides go deeper on the concepts behind the numbers.
What a training program is, how linear progression works, which lifts to start with, and when you're no longer a beginner.
Cutting Weight Without Losing StrengthHow to lose body fat while preserving muscle and performance — sustainable deficits, protein priority, training adjustments, and knowing when to stop.
Heart Rate Training for Strength AthletesWhy lifters should care about cardio, how heart rate zones work for strength athletes, and how to add conditioning without hurting gains.
How to Build a Home Gym on a BudgetThe minimum viable home gym for strength training — barbell, plates, rack, bench, flooring, and what to skip. Plus buying strategies for used equipment.
How to Bulk for Strength AthletesA practical guide to gaining muscle and strength — surplus sizing, macro distribution, rate of weight gain, training considerations, and when to transition.
How to Peak for a Powerlifting MeetA practical peaking guide covering the 3–4 week taper, opener selection, attempt strategy, and meet-day execution for raw powerlifters.