Uh oh! Wolfram|Alpha doesn't run without JavaScript.
Please enable JavaScript. If you don't know how, you can find instructions
here
.
Once you've done that, refresh this page to start using Wolfram|Alpha.
rho%3D1g%2Fcm%5E3%2C h%3D3m%2C atmospheric pressure%3D1 bar%2C p%3D%3F
Natural Language
Math Input
Extended Keyboard
Examples
Upload
Random