XACT Carb-Calculator

#FUELYOURGOALS - Science-backed recommendations for optimal performance

How Much — Intensity × Duration

What will your perceived effort be?

How long will your activity last?

2h 00min

Of What — Sport Type

What activity are you fueling?

Body metrics

Body weight

Height

Providing your weight helps us scale carb targets to your body size.

Environmental factors

Hot/Humid conditions

High altitude (>2000m)

Cold conditions (<5°C)

Gastrointestinal tolerance

Your Carbohydrate Target

75g/hr

Total: 187g for your session

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XACT Snack Math

More detailed planning. Estimated finish time required.

Take the guesswork away. Works across all sports.

Exact amounts of fat and carbohydrates that you use. Need power data.