Fireline Intensity units

Use the following table to convert among various units. To convert from the units in a column to the units in a row, divide by the conversion factor. To convert from the units in a row to the units in a column, multiply by the conversion factor. Four significant figures are shown. Only half the table is provided to avoid round-off errors.

 

 

J/(ft-s)

cal/(cm-s)

kW/m

BTU/(ft-s)

kcal/(m-s)

J/(ft-s)

1

 

 

 

 

cal/(cm-s)

127.5

1

 

 

 

kW/m

304.8

2.390

1

 

 

BTU/(ft-s)

1054

8.268

3.459

1

 

kcal/(m-s)

1275

10

4.184

1.210

1

Examples: multiply 1000 BTU/ft-s by 3.459 to get 3459 kW/m; divide 1000 kW/m by 3.459 to get 289.1 BTU/ft-s.

 

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