Convert BTU to Watt using the exact conversion factor. This page provides the formula, reference values, and practical context for engineering, technical calculations, and professional measurement use.
BTU per second foot Fahrenheit (BTU/s·ft·°F) = Watt per millimeter Kelvin (W/mm·K) × 6.230646
To convert BTU per second foot Fahrenheit (BTU/s·ft·°F) to Watt per millimeter Kelvin (W/mm·K), multiply the value by 6.230646. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.
| btu per second foot fahrenheit | watt per millimeter kelvin |
|---|---|
| 1 | 6.23065 |
| 2 | 12.46129 |
| 5 | 31.15323 |
| 10 | 62.30646 |
| 25 | 155.76615 |
| 50 | 311.5323 |
| 100 | 623.0646 |
Convert 1 BTU/s.ft.F to W/mm.K.
So, 1 BTU/s.ft.F = 6.230646 W/mm.K.
One BTU per second foot Fahrenheit (BTU/s·ft·°F) equals 6.230646 Watts per millimeter Kelvin (W/mm·K)
Units of thermal conductivity are standardized measurements used to quantify a material’s ability to conduct heat.
One Watt per millimeter Kelvin (W/mm·K) equals 0.160497 BTU per second foot Fahrenheit (BTU/s·ft·°F)
Units of thermal conductivity are standardized measurements used to quantify a material’s ability to conduct heat.
How many Watt per millimeter Kelvin (W/mm·K) are in 1 BTU per second foot Fahrenheit (BTU/s·ft·°F)?
1 BTU per second foot Fahrenheit (BTU/s·ft·°F) = 6.230646 Watts per millimeter Kelvin (W/mm·K).
How many Watt per millimeter Kelvin (W/mm·K) are in one BTU per second foot Fahrenheit (BTU/s·ft·°F)?
One BTU per second foot Fahrenheit (BTU/s·ft·°F) equals 6.230646 Watts per millimeter Kelvin (W/mm·K).
How many W/mm.K are in one BTU/s.ft.F?
One BTU/s.ft.F equals 6.230646 W/mm.K.
What is the formula for converting BTU per second foot Fahrenheit (BTU/s·ft·°F) to Watt per millimeter Kelvin (W/mm·K)?
Multiply the BTU per second foot Fahrenheit (BTU/s·ft·°F) value by 6.230646.
Can I reverse the conversion?
Yes. 1 Watts per millimeter Kelvin (W/mm·K) = 0.160497 BTU per second foot Fahrenheit (BTU/s·ft·°F).
Is this BTU per second foot Fahrenheit (BTU/s·ft·°F) to Watt per millimeter Kelvin (W/mm·K) conversion accurate for engineering use?
Yes. The conversion uses a standardized conversion factor suitable for engineering calculations, technical analysis, and professional reference.
Can this conversion be used for scientific or technical calculations?
Yes. This conversion is appropriate for scientific analysis, engineering calculations, simulations, and technical documentation where unit consistency is required.
By applying the conversion factor shown above, you can convert BTU per second foot Fahrenheit (BTU/s·ft·°F) to Watt per millimeter Kelvin (W/mm·K) for insulation design, electronics cooling, and thermal engineering.
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