Welcome to OnlineConversion.com Forums

 OnlineConversion Forums propane to btu
 [ Home ] [ Forum Home ] Register FAQ Calendar Search Today's Posts Mark Forums Read

 Convert and Calculate Post any conversion related questions and discussions here. If you're having trouble converting something, this is where you should post.* Guest Posting is allowed.

#1
01-05-2007, 01:25 PM
 Unregistered Guest Posts: n/a
propane to btu

150 scfh to btu
#2
01-05-2007, 02:26 PM
 Robert Fogt Administrator Join Date: Dec 2005 Location: Seattle, WA Posts: 3,449 Rep Power: 13
Re: propane to btu

Those are both different types of units. Can you provide more information as to what you are trying to do?
#3
07-23-2007, 01:49 PM
 Unregistered Guest Posts: n/a
Re: propane to btu

Quote:
 Originally Posted by Robert Fogt Those are both different types of units. Can you provide more information as to what you are trying to do?
how much propane will a turkey fryer use per hour?
#4
07-23-2007, 03:12 PM
 Mrs X can't count, can't spell! Join Date: Feb 2006 Location: New Zealand Posts: 2,410 Rep Power: 12
Re: propane to btu

Here is a very useful site about propane:

http://www.propane.ca/Resources/propane.asp
#5
01-17-2008, 04:43 PM
 Unregistered Guest Posts: n/a
Re: propane to btu

Quote:
 Originally Posted by Robert Fogt Those are both different types of units. Can you provide more information as to what you are trying to do?
how many btu's are provided by one gallon of propane
#6
01-30-2008, 09:15 PM
 Unregistered Guest Posts: n/a
Re: propane to btu

If I have a tiki torch that burns 18585 BTU's per hour, how do I convert that to gallons per hour?
#7
10-31-2008, 06:37 AM
 Unregistered Guest Posts: n/a
Re: propane to btu

Propane is usually measured in pounds. You get 21622 btu per pound.
So a 20 pound bottle will net you 432440 btu. So just find out what the

Hope this helps.
#8
11-29-2008, 09:19 AM
 Don-fixit Guest Posts: n/a
Re: propane to btu

Back to the original question,
According to my chart on approximate properties of LP-gas (commercial propane)

1 gal. of liquid propane at 60 degrees F weighs 4.20 lb.

The latent heat needed of vaporization is 184 Btu / lb or 773 Btu / gal.
That is how much heat the tank will absorb to convert the liquid to a vapor. This is ignored if the tank is outside and the heat comes from the outside air. Only if the tank is heated by the propane like if the tank is inside and you are using a space heater in the garage is it a factor. Then it is only 0.8 percent.

The total heat after vaporization:
1 standard cubic foot vapor has 2,488 Btu (0 psig or at atmospheric pressure)
1 lb has 21,548 Btu
1 gal has 91,502 Btu
A 20lb gas grill tank filled to 18lb like most of them are holds 18lb/4.2lb per gal=4.28gal.

scfh stands for standard cubic feet per hour

So, 150 scfh (propane) would be 150scfh*2,844Btu/cf=426,600 Btu/hour.

So your turkey roaster would use up to 426,600 Btu/hour or 426,600Btu/hour dived by 91,502 Btu/gal would be 4.66gal/hr.

That's a BIG turkey roaster. Mine has a max. output of 150,000Btu/hour and that is with it turned all the way up.

Don
#9
02-23-2009, 08:45 AM
 randman07 Guest Posts: n/a
Re: propane to btu

I using the above to make sure my assumptions are correct.

I took the amount 21622 btu per a pound and calculated that at 18 pounds in a 20lb gas grill tank. An my heater on low will burn 6000 btu I assume per an hour. Then 21622 x 18 = 389196.
and 389196 / 6000 = 64.866.
So my assumption is that the heater will run for 64.866 hours on the
6000 but setting.
I this right?
I plan to get another backup tank and if the heat ever goes out I can survive for a while.
#10
04-07-2009, 12:44 PM
 Snowden Guest Posts: n/a
Re: propane to btu

how many BTUs are in a cubic ft of LP gas? If a pilot light uses 1200 BTUs an hour, how many cubic ft of propane will it use in a month? I'm trying to calculate the cost of having a propane gas fireplace in Florida when we will only use the pilot for 8 months and the fireplace maybe 20 hours a month in the remaining four months as a decoration, not for heat.

 Thread Tools Display Modes Linear Mode

 Posting Rules You may post new threads You may post replies You may not post attachments You may not edit your posts BB code is On Smilies are On [IMG] code is On HTML code is Off Forum Rules
 Forum Jump User Control Panel Private Messages Subscriptions Who's Online Search Forums Forums Home Main Forums     Convert and Calculate     Resources     General Chat

All times are GMT -8. The time now is 12:19 AM.