Hydration Calculator
For desk workers · working days only
Your result
Here's your hydration target for today
your target
Your target
still to drink during your working day
How to spread it
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This assumes you've already had a glass of water on waking and a tea or coffee before starting work. If not, add another 250–300ml to your target.
Quick check
Pale straw urine = well hydrated. Dark yellow or no bathroom trips = drink more now. Note that some medications and supplements (including B vitamins) can affect urine colour, so use this as a guide rather than a hard rule.