Your Rowing Intelligence Platform

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Free science-powered rowing calculators for Concept2 ergometer training. Used by athletes, coaches, and sports scientists worldwide.

23 professional tools with validated biomechanics and physiology models. No account needed.

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Rowing Performance Calculators

Comprehensive suite of science-backed tools for analyzing and optimizing your rowing performance

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Rowing Performance Calculator

Analyze your rowing performance with power output, split times, VO2max estimation, and efficiency metrics.

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VO2max Estimator

Estimate your VO2max and oxygen uptake from 2000m or 6-minute ergometer test results.

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Critical Power (CP) Calculator

Determine your critical power and anaerobic work capacity (W') for optimal pacing.

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FTP-Row Estimator

Calculate your Functional Threshold Power for rowing and generate training zones.

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Heart Rate Zone Calculator

Create customized heart rate training zones using multiple methodologies.

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Training Stress Score (TSS)

Calculate TSS and Intensity Factor for your rowing sessions to manage training load.

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Drag Factor Optimizer

Find your optimal drag factor setting based on your athlete profile and goals.

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Race Pace Calculator

Calculate target split times and power output for race distances from 500m to marathon.

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Rowing Time & Split Calculator

Calculate optimal split times and predict finish times based on distance and power.

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Stroke Efficiency Calculator

Analyze stroke power, work per stroke, and overall efficiency metrics.

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Power Curve Analyzer

Analyze your power output across different durations to identify strengths and weaknesses.

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Rowing Pace Chart

Generate comprehensive pace charts showing split times, power, and stroke rates.

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Energy Expenditure Calculator

Calculate caloric burn and energy expenditure based on power output and duration.

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Session Comparator

Compare two rowing sessions by power, stroke rate, split time, and heart rate.

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Boat Class Comparator

Compare performance across different boat classes (1x, 2x, 4x, 8+) and weight categories.

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Weight-Adjusted Score

Calculate weight-adjusted times using the Concept2 formula. Compare performance fairly across body weights.

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Ranking Percentile Calculator

See where your 2K time ranks against Concept2 world rankings by age, gender, and weight class.

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Split Predictor

Predict your performance at different distances using established rowing performance models.

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Pace-to-Watts Calculator

Instantly convert between rowing split, watts, speed, and calories with the Concept2 formula.

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Erg-to-Run Equivalence

Convert erg performance to equivalent running paces and race times using VO2max-based models.

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Erg-to-Boat Speed Predictor

Predict on-water boat speed from your erg score and body weight for all boat classes.

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Rowing Logbook

Log sessions, track personal bests, and visualize progress. All data stays in your browser.

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2K Race Plan Calculator

Build a 2000m race plan with target splits, pacing strategy, and stroke-rate guidance.

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Why Choose Rowing Regimen?

Professional-grade tools built on scientific research and trusted by rowers worldwide

Science-Backed

All calculations use validated biomechanics and physiology models from peer-reviewed research.

Privacy First

All calculations happen in your browser. We never collect or store your data.

Always Free

Professional-grade tools available to everyone at no cost, forever.

Concept2 Optimized

Tools specifically designed for Concept2 ergometer training and analysis.

Rowing Standards & Benchmarks

Compare your times against age and ability standards for every distance

500m Rowing Times

Sprint standards by age & ability

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2000m Rowing Times

The classic 2K test benchmarks

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5000m Rowing Times

Endurance standards for 5K

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10 Minute Standards

Time-based distance benchmarks

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