Cleave Books
Conversion Calculator for Units of
(Heat Flow Rate Intensity)
Type in size . . .

select units . . .
then press

Values are shown to . . . significant figures.

watts /
watts / cm²
watts / sq.ft.
watts / m²
kilowatts / sq.ft.
kilowatts / m²
Btu / sq.ft. sec.
calories / cm² sec.
Btu / sq.ft. min.
kilocalories / m² min.
Btu / sq.ft. hour.
kilocalories / m² hour
watts / m² is the same as joules / m² second and sq.ft. are square inch and square foot respectively.
sec. and min. are the second and minute (of time) respectively.
The values of the Btu and calorie are those of the International Table.
Very large and very small numbers appear in e-Format and are not spaced.
Unvalued zeros on all numbers have been suppressed.
NO guarantee as to the accuracy of these values is given.
And they should be checked against some other source.
A note on Format and Accuracy is available.
There are also some
Background Notes on Heat Flux Density

Go to theDictionary of UnitsOR the Calculator Menu
Version 1.4