# How much does the Earths Atmosphere weigh?

1. Jun 28, 2005

### pamichel

How much does the Earths Atmosphere weigh? Also let us know how to calculate that.

2. Jun 28, 2005

### dextercioby

$\sim 5 \cdot 10^{18} \ Kg$.

What's the definition of atmospherical pressure ?

Daniel.

3. Jun 28, 2005

### NateTG

Isn't what you're listing the mass, rather than the weight of the atmosphere?

I would be inclined to multiply 19 PSI by the surface area of the earth.

4. Jun 28, 2005

### krab

NateTG's right, except that atmospheric pressure is 14.7 PSI.

5. Jun 28, 2005

### chroot

Staff Emeritus
You mean 14.7 psi, NateTG. I'd be inclined to do the same.

- Warren

6. Jun 28, 2005

atmospheric pressure is 101325 Pascal. i don't know the wieght.

7. Jun 28, 2005

to many numbers, i think $$10^5 Pa$$ will be good enough.