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BTUs per Hour-Foot-°F to Watts per Meter-Kelvin Converter

Enter the thermal conductivity in btus per hour-foot-°f below to convert it to watts per meter-kelvin.

Convert BTUs per Hour-Foot-°F to Watts per Meter-Kelvin

Enter a value in btus per hour-foot-°f (BTU/(h·ft·°F)) to convert to watts per meter-kelvin (W/(m·K)).

Result
•
8.65367335watts per meter-kelvin
5 BTU/(h·ft·°F) = 8.65367335 W/(m·K)
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Reference:NIST OWM (SI Units — Length)
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BTU per Hour-Foot-°F to Watt per Meter-Kelvin Conversion Table

Table showing various btu per hour-foot-°f measurements converted to watts per meter-kelvin. Click any preset value or arrow to load it into the converter.

BTUs per Hour-Foot-°F (BTU/(h·ft·°F))Watts per Meter-Kelvin (W/(m·K))
1 BTU/(h·ft·°F)1.7307347 W/(m·K)
2 BTU/(h·ft·°F)3.4614693 W/(m·K)
2.5 BTU/(h·ft·°F)4.3268367 W/(m·K)
5 BTU/(h·ft·°F)8.6536734 W/(m·K)
10 BTU/(h·ft·°F)17.3073467 W/(m·K)
15 BTU/(h·ft·°F)25.96102 W/(m·K)
20 BTU/(h·ft·°F)34.6146934 W/(m·K)
25 BTU/(h·ft·°F)43.2683667 W/(m·K)
30 BTU/(h·ft·°F)51.9220401 W/(m·K)
50 BTU/(h·ft·°F)86.5367335 W/(m·K)

How to Convert BTUs per Hour-Foot-°F to Watts per Meter-Kelvin

To convert btus per hour-foot-°f to watts per meter-kelvin, multiply the thermal conductivity by the following conversion ratio: 1.7307347 watts per meter-kelvin/btu per hour-foot-°f.

Since one btu per hour-foot-°f is equal to 1.7307347 watts per meter-kelvin, you can use this simple formula to convert:

watts per meter-kelvin = btus per hour-foot-°f × 1.7307347

The thermal conductivity in watts per meter-kelvin is equal to the thermal conductivity in btus per hour-foot-°f multiplied by 1.7307347.

For example, here's how to convert 5 btus per hour-foot-°f to watts per meter-kelvin using the formula above.

watts per meter-kelvin = (5 BTU/(h·ft·°F) × 1.7307347) = 8.6536734 W/(m·K)

How Many Watts per Meter-Kelvin Are in a BTU per Hour-Foot-°F?

There are 1.7307347 watts per meter-kelvin in a btu per hour-foot-°f, which is why we use this value in the formula above.

1 BTU/(h·ft·°F) = 1.7307347 W/(m·K)|1 W/(m·K) = 0.5777893 BTU/(h·ft·°F)

Our btu per hour-foot-°f to watt per meter-kelvin calculator automatically converts your thermal conductivity measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

BTUs per Hour-Foot-°F and watts per meter-kelvin are both units used to measure thermal conductivity. Keep reading to learn more about each unit.

What Is a BTU per Hour-Foot-°F?

A btu per hour-foot-°f is a unit of thermal conductivity equal to 1.7307347 watts per meter-kelvin (W/(m·K)), the base unit for thermal conductivity. US HVAC thermal conductivity unit (≈ 1.7307 W/(m·K)). [1]

The btu per hour-foot-°f is classified as a US customary unit of thermal conductivity. BTUs per Hour-Foot-°F can be abbreviated as BTU/(h·ft·°F); for example, 1 btu per hour-foot-°f can be written as 1 BTU/(h·ft·°F).

When working with btus per hour-foot-°f (BTU/(h·ft·°F)) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, btus per hour-foot-°f (BTU/(h·ft·°F)) are widely used across standard thermal conductivity applications within US customary workflows, engineering documentation, and technical data sheets.

What Is a Watt per Meter-Kelvin?

Coherent SI unit of thermal conductivity. It serves as a primary reference unit for measuring thermal conductivity across scientific and practical applications. [2]

The watt per meter-kelvin is classified as an International System of Units (SI) unit of thermal conductivity. Watts per Meter-Kelvin can be abbreviated as W/(m·K); for example, 1 watt per meter-kelvin can be written as 1 W/(m·K).

As the primary coherent reference unit for thermal conductivity in this category, all other thermal conductivity units are mathematically anchored to the watt per meter-kelvin (W/(m·K)).

In practice, watts per meter-kelvin (W/(m·K)) are widely used across standard thermal conductivity applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

When converting thermal conductivity between btus per hour-foot-°f (BTU/(h·ft·°F)) and watts per meter-kelvin (W/(m·K)), keep full floating-point precision (1 BTU/(h·ft·°F) = 1.7307347 W/(m·K); 1 W/(m·K) = 0.5777893 BTU/(h·ft·°F)) during intermediate calculations and round only the final watt per meter-kelvin figure to match your instrument tolerance.

More BTU per Hour-Foot-°F & Watt per Meter-Kelvin Conversions

Need to calculate in the opposite direction? Use our watts per meter-kelvin to btus per hour-foot-°f calculator to switch your starting unit immediately. You can also explore related tools such as converting watts per meter-kelvin to btus per hour-foot-°f, converting watts per centimeter-°c to watts per meter-kelvin, or converting kilowatts per meter-kelvin to watts per meter-kelvin.

Frequently Asked Questions

There are 1.73073 watts per meter-kelvin (W/(m·K)) in 1 btu per hour-foot-°f (BTU/(h·ft·°F)). Conversely, 1 watt per meter-kelvin (W/(m·K)) is equal to 0.57779 btus per hour-foot-°f (BTU/(h·ft·°F)).

References

NIST · BIPM · ISO
  1. [1]
    NIST OWM (SI Units — Length)·Thermal Conductivity Metrology Standard — BTUs per Hour-Foot-°F (BTU/(h·ft·°F)) to Watts per Meter-Kelvin (W/(m·K))
    NIST OWM Standard
  2. [2]
    BIPM (SI Base Unit: Metre (m))·Unit Specifications: BTU per Hour-Foot-°F (BTU/(h·ft·°F)) & Watt per Meter-Kelvin (W/(m·K))
    BIPM Specification
  3. [3]
    NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (BTU/(h·ft·°F) to W/(m·K))
    NIST HB 133 Reference
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