4800 BTUs will 150 square feet.
A small room is about 5,000 BTUs. Most people don't have a room that would require more than 10,000 BTUs.
90,000 BTUs - the 090 is what tells you the BTUs of the unit.
5,000
There are approximately 6,700-8,300 BTUs per pound of lignite coal. A ton of lignite coal contains 20-24 million BTUs.
6,520 Btus
1 kilowatt is equal to 3,412 BTUs (British Thermal Units).
A romm 20x9 is 180 square feet. You will need 5000 to 6000 BTUs for this.
1 therm of gas is equal to 100,000 BTUs (British Thermal Units).
The answer depends on the city. Somewhere like Colombo (Sri Lanka) will probably require 0 btus.
27,304
There are 1078.9 BTUs.