( (4.184 gigajoules/ton) * (3* 0.055 (cc/g)^1/3) / (3*gravitational constant))^(3/2)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.