Hot Weather Extra Hydration Calculator
Add 250 mL/hr of fluids per 10°F over 70°F to estimate the extra water you need outdoors in heat.
Extra Water Needed
56 oz
Extra (mL)
1,652 mL
Outdoor Hours
3 hrs
Temperature
90°F
Add 250 mL/hr of fluids per 10°F over 70°F to estimate the extra water you need outdoors in heat.
Extra Water Needed
56 oz
Extra (mL)
1,652 mL
Outdoor Hours
3 hrs
Temperature
90°F