63# Propane Last......?

sullivanclan wrote:
Typically how many days does a 63# propane tank last on a small class c motorhome?

The only unscientific test I ever did was this:

With both tanks full, 20 degree nights, hot water heater on, I can blast the heater all night long for 5 nights. I learned the hard way I can't go 6 nights.