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Rule of thumb: 30 to 35 ml per kg is a starting point. Heat and movement push the target up.
Estimated target
Lower range
2.1 L
Upper range
2.5 L
Heat adjustment
0 ml
Practical goal
2.3 L
This is a rough estimate, not a medical prescription. If you have a relevant condition, ask a clinician.
Brim keeps this target visible all day
Log intake in a few taps, keep the current goal on your home screen and avoid manual recalculation.
Free on the App Store
Related Brim pages:
How much water should I drink? ·
Hydration reminder ·
Dehydration symptoms ·
Water tracker app
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