How full is my propane tank?

Here is how to check how full the tank is. Below is also a video regarding how to check your tank. 

1. Take a bucket of hot water.
2. Pour it over the side of tank. 
3. Run your hand down the side of tank.
4. Where you feel the tank is cold, that is how much fuel is left in the tank.

https://www.youtube.com/watch?v=G6U_e7FrC2Y