Rowing Watts Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
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Enter details
Split per 500 m
:
Result
Fill in the fields to see your result.
Estimate only — real results depend on terrain, weather, fatigue, conditions and individual fitness. Not medical or coaching advice.
How to use this calculator
- Enter your 500 m split.
- Read the equivalent power in watts.
How it works
Concept2 formula: watts = 2.80 ÷ (split seconds ÷ 500)³.
Worked example
2:00 /500 m. ≈ 203 W.
Tips
- Times are estimates only — not medical or coaching advice. Always train safely and follow event rules.
- Distances are editable: choose “Custom…” to enter your own course lengths.
Frequently asked questions
Does it match my erg?
It uses the standard Concept2 pace-to-watts relationship, so it should match closely.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.



