Graeme Stewart PhD · Coach · Founder

Tools

Free tools for athletes and coaches.

Calculators built on published equations and on the models inside Endurance Signals and FuelingSense.

On this site

VO2 max calculator

Estimate VO2 max from 5-minute power, a ramp test or a run test. Compare published equations and rank your 5-minute power in watts per kilo.

Open the calculator

FuelingSense

Metabolic profiler

Thresholds, training zones and fat and carbohydrate use from a 20-second sprint and a 5-minute effort, for cycling and running.

Open FuelingSense

FuelingSense

Race fuelling calculator

Carbohydrate per hour for race day, from your own profile and target intensity.

Open FuelingSense

See what Endurance Signals does for your club.

Endurance Signals is in a closed trial with Triathlon Inverness and the EndureIQ group. Tell me about your club or squad and I will be in touch when places open.

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