RPE Calculator & Strength
Training Tools
Calculate your estimated 1RM, map RPE to training percentages, plan sessions, and track intensity with free, evidence-informed calculators for strength training, powerlifting, and cardio.
100
Specialized Calculators
Free
Access Model
Evidence-Based
Methodology
Core Calculator Suite
Unified interfaces for strength, endurance, and programming workflows.
RPE Calculator
Estimate 1RM from weight, reps and RPE, check it against Epley and Brzycki, and get a load table.
1RM Calculator
Estimate your one rep max from any set with six published equations, plus the range and load tables.
Cardio RPE
Calculate target effort zones for running, cycling, and conditioning work.
Powerlifting
Model attempts, compare score systems, and monitor competitive readiness.
Training Load
Quantify stress and recovery to avoid stagnation and overreach.
Karvonen Calculator
Target heart rate and five training zones in bpm from age and resting heart rate.
Warm-Up Sets Calculator
Warm-up sets from the empty bar to your working weight, with plates per side.
Smolov Jr Calculator
Work out all 12 Smolov Jr sessions for bench press or squat, in lb or kg.
Arm-to-Forearm Ratio
Track upper-arm and forearm proportion with side-to-side symmetry metrics.
Why Coaches Use This Platform
Built around training clarity, repeatability, and objective progression.
Precision Programming
Use standardized RPE and RIR logic to prescribe load with less guesswork and tighter fatigue control.
Scientific Insights
Track intensity, 1RM trends, and volume progression with clean data tables and chart-ready outputs.
Coach-Grade Reliability
Built for repeatable decisions across sessions, mesocycles, and athlete populations.
From Manual Guessing to Structured Decisions
A direct comparison of ad-hoc load planning versus platform-guided programming.
Load Accuracy
Subjective and inconsistent
RPE and %1RM aligned
Progress Monitoring
Scattered notes
Structured metrics and trends
Programming Speed
Slow weekly updates
Instant session-ready outputs
Autoregulation
Reactive adjustments
Data-backed intensity control
Build Better Sessions with Fewer Guessing Loops
Start free and run your training decisions through a consistent, data-first workflow.
No account required to use calculators · Evidence-based formulas