VO₂ Max Estimator (from pace & heart rate)

How to use

1. Fill the fields above — results update as you type.
2. Adjust any input to compare scenarios instantly.
3. Nothing is uploaded; everything runs in your browser.

General information only — not medical, financial or legal advice. Figures cross-checked against public official sources (IRS / HMRC / NHS / WHO guidance) as of 2026-08. For decisions that matter, confirm with a licensed professional in your country.

About this tool

The 1-mile time trial formula (483/time + 3.5) is a published field estimate. Lab testing is the gold standard; this tracks your trend for free.

FAQ

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