Cat Daily Water Intake
Estimate how much water a cat should drink each day.
About Cat Daily Water Intake
A typical cat needs about forty milliliters of water per kilogram daily, adjusted for heat and activity. Cats on wet food get much of this from their meals. Felines drink less than ideal by nature, so monitoring intake helps catch reduced drinking that can point to kidney or urinary issues.
Formula
Cat Daily Water Intake
Water ≈ weight x 40 mL/kg, raised by activity and heat
- activity factor
- increases intake on warm or active days
Worked example
With the default values below, Cat Daily Water Intake returns Daily Water of 180. Change any input above and every figure here is recalculated in your browser.
Inputs used
- Cat weightminimum 0.5 kg
- 4.5 kg
- Activity factorminimum 0.5
- 1
Results
- Daily Water
- 180 mL
- Daily Cups
- 0.76 cups
- Water from Wet Food
- 90 mL
Step by step
- 1Values used
- 2Cat Daily Water Intake
- 3Daily Water= 180 mL
- 4Daily Cups= 0.76 cups
- 5Water from Wet Food= 90 mL
Assumptions and limits
- The result is derived only from the 2 inputs listed above. Anything not among them is not part of the calculation.
- In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
- Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.
Frequently Asked Questions
How is Cat Daily Water Intake calculated?
Water ≈ weight x 40 mL/kg, raised by activity and heat A typical cat needs about forty milliliters of water per kilogram daily, adjusted for heat and activity. Cats on wet food get much of this from their meals.
Why does Cat Daily Water Intake matter?
Felines drink less than ideal by nature, so monitoring intake helps catch reduced drinking that can point to kidney or urinary issues.
What values do I need to enter?
This calculator takes 2 inputs: Cat weight, Activity factor. The pre-filled defaults are a realistic starting point — replace them with figures from your own environment for a result you can act on.