Cat Water Intake Calculator

Estimate your cat's daily water needs.

Daily water (mL) 225

Formula: water ≈ weight × ~50 mL/kg

Step-by-step with your numbers:

1. Values used:

2. Cat weight = 4.5

3. Water per kg = 50 mL

5. Daily water = Cat weight x Water per kg = 4.5 x 50 = 225mL

Did we solve your problem today?

A guideline for your cat's daily water needs (food provides some too).

The math behind it

Cats need roughly 50 mL of water per kg per day, including moisture from wet food.

4.5 kg → ~225 mL/day.

Wet food?

Canned food is ~75% water and counts toward intake.