VO2 Max Estimator

100% Free

Estimate VO2 max from resting heart rate, age, and gender. Cooper test included.

100% Secure

No Sign Up

Client-Side

Coming Soon

We're building VO2 Max Estimator right now. Drop your email and we'll notify you the moment it's live.

Estimate VO2 max from resting heart rate, age, and gender. Cooper test included.

This tool is on the roadmap. The interface and full documentation are being built — check back soon, or request priority to bump it up the queue.

Calculate UK alcohol units across multiple drinks, see grams of ethanol, and compare against the 14-units-per-week low-risk guideline.

Estimate Blood Alcohol Concentration from drinks, weight, gender, and time.

Calculate calories burned for any activity — running, cycling, yoga, gym.

Estimate your fitness age from VO2 max relative to your chronological age.

Calculate training heart rate zones from age and resting heart rate.

Browse more free tools — no sign-up required