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How long does a 18lb propane tank last you?

Bohemia
Explorer
Explorer
Venturing out further now and wondering how long a typical 18 lb tank of gas lasts. I just don't have a feel for it yet even though I somehow can predict when the tank on the BBQ will run out.

I understand this is a question with a high degree of variability. Consider summer wx, 80's all day, shore power at night.

If the fridge is basically the only device on for 8 hours, how many days do you typically see on one tank?

Pardon me if this topic has been covered before, my search found a great deal on whether propane should be on/off while underway but didn't find run time or consumption. :h
20 REPLIES 20

kellem
Explorer
Explorer
Frig will go months.....furnace will go hours.

bukhrn
Explorer III
Explorer III
"18 lb tank"
I don't believe I've ever heard of an 18 lb tank, just 1,5,20,30,40,& 100, as you've already learned, variable.
2007 Forester 2941DS
2014 Ford Focus
Zamboni, Long Haired Mini Dachshund

Beverley_Ken
Explorer
Explorer
To quote my neighbour "Well you answered your own question complete with variables that no one can calculate to any degree of accuracy. Do yourself a favour and take along a spare 20lb'er and keep track of your usage"
I have a handheld baggage scale, weight the tank full, write it on the side of the tank. When completely empty, weigh and record that weight. Any weights in between will give you a reasonably accurate guess of how much used or left.

Ken
2006 Winnebago Outlook 29B E-450.
2012 Honda CR-V AWD
Blue Ox Aventa LX tow bar and Brake Buddy Vantage.

opnspaces
Navigator II
Navigator II
Bohemia wrote:

I understand this is a question with a high degree of variability. Consider summer wx, 80's all day, shore power at night.

If the fridge is basically the only device on for 8 hours, how many days do you typically see on one tank?


I easily get a season out of a tank. One thing you mentioned is that it's on shore power at night. If you are only on propane when driving and not running the heater, I would say easily a season probably two.
.
2001 Suburban 4x4. 6.0L, 4.10 3/4 ton **** 2005 Jayco Jay Flight 27BH **** 1986 Coleman Columbia Popup

Lwiddis
Explorer II
Explorer II
A fridge will run a long time on a tank of propane...weeks.
Winnebago 2101DS TT & 2022 Chevy Silverado 1500 LTZ Z71, WindyNation 300 watt solar-Lossigy 200 AH Lithium battery. Prefer boondocking, USFS, COE, BLM, NPS, TVA, state camps. Bicyclist. 14 yr. Army -11B40 then 11A - (MOS 1542 & 1560) IOBC & IOAC grad

Fisherman
Explorer
Explorer
Well you answered your own question complete with variables that no one can calculate to any degree of accuracy. Do yourself a favour and take along a spare 20lb'er and keep track of your usage.