Density of Water

Most recent answer: 10/22/2007

Q:
What is the density of water at room temperature (20 degrees celcius)?
- Jen
Durham School, durham, England
A:
Jen -

In general, we say that the density of water is 1000 kg/m^3 (or 1 g/cm^3). But you’re right that it does vary a little bit with temperature. It is exactly 1000 kg/m^3 at 4 degrees Celsius. At 20 degrees Celsius it is 998.23 kg/m^3 ( or 0.99823 g/cm^3).

-Tamara

(published on 10/22/2007)