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Home›Heat-flux-density Conversion›Convert watt-per-square-inch to btu-it-per-second-per-square-foot

Watts per square inch to Btu (IT) per second per square foot Converter

Adjust the numbers below — results update instantly
W/in²
0.136486
Btu/s·ft²
1W/in² × (1550.003101208 / 11356.526682221) = 0.136485665Btu/s·ft²
→ Rounded to display: 0.136486Btu/s·ft²
Btu (IT) per second per square foot to watts per square inch

How to Convert Watts per square inch to Btu (IT) per second per square foot

Example:

15 W/in² = 2.047285 Btu/s·ft²

1 W/in² = 0.136486 Btu/s·ft² | 1 Btu/s·ft² = 7.326777 W/in²

Conversion Steps:

15 × (1550.003101208 / 11356.526682221) = 2.047284981

Conversion table from Watts per square inch to Btu (IT) per second per square foot

Watts per square inch [W/in²]Btu (IT) per second per square foot [Btu/s·ft²]
0.01 W/in²0.001365 Btu/s·ft²
0.1 W/in²0.013649 Btu/s·ft²
1 W/in²0.136486 Btu/s·ft²
2 W/in²0.272971 Btu/s·ft²
3 W/in²0.409457 Btu/s·ft²
5 W/in²0.682428 Btu/s·ft²
10 W/in²1.364857 Btu/s·ft²
20 W/in²2.729713 Btu/s·ft²
50 W/in²6.824283 Btu/s·ft²
100 W/in²13.648567 Btu/s·ft²
1000 W/in²136.485665 Btu/s·ft²