MTB Sodium Calculator

Personalized sodium & hydration for mountain bikers — based on ACSM sports science research

Rider profile

Age

Sex

Weight unit

Weight (min)

Weight (max)

Ride details

Duration (hours)

Intensity

Distance (mi)

Distance unit

Hydration unit

Elevation gain (ft)

Gain unit

Ride date & time

Date

Start time

Location

City, State

Weather conditions

Enter a city/state above and click "Fetch data" to load weather for your selected date and time.

Temperature (°F)

Humidity (%)

Results

—

Sodium intake

Fluid intake

— mg/hr

— oz/hr

Total sodium for ride

— mg

Total fluid for ride

— oz

Adjustment factors

Electrolyte products matched to your needs

Based on ACSM sweat-rate research (~900 mg Na/L sweat, 0.5–2.5 L/hr) adjusted for individual factors.
Weather data from Open-Meteo (open-meteo.com). Not a substitute for medical advice.