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BTU per hour foot °F to Watts per metre kelvin

Convert BTU per hour foot °F to watts per metre kelvin instantly.

BTU per hour foot °F to Watts per metre kelvin (BTU/(h·ft·°F) to W/(m·K)) Converter

1 BTU per hour foot °F = 1.7307 watts per metre kelvin

1 BTU/(h·ft·°F) ≈ 1.7307347 W/(m·K)
From
  • Watts per metre kelvinW/(m·K)
  • BTU per hour foot °FBTU/(h·ft·°F)
To
  • Watts per metre kelvinW/(m·K)
  • BTU per hour foot °FBTU/(h·ft·°F)

Permanent link to this conversion

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How it’s calculated

W/(m·K) = BTU/(h·ft·°F) × 1.730734666

  • Multiply the value in BTU per hour foot °F by 1.730734666.
  • To go back, divide by 1.730734666 (or multiply by 0.5777893165).
  • 1 BTU/(h·ft·°F) = 1.730734666 W/(m·K) · 1 W/(m·K) = 0.5777893165 BTU/(h·ft·°F)

Quick examples

1 BTU per hour foot °F = 1.7307 watts per metre kelvin · 1 W/(m·K) = 0.57779 BTU/(h·ft·°F)

  • 1 BTU per hour foot °F = 1.7307 watts per metre kelvin
  • 5 BTU per hour foot °F = 8.6537 watts per metre kelvin
  • 10 BTU per hour foot °F = 17.307 watts per metre kelvin
  • 25 BTU per hour foot °F = 43.268 watts per metre kelvin
  • 100 BTU per hour foot °F = 173.07 watts per metre kelvin

BTU per hour foot °F to watts per metre kelvin conversion table

BTU per hour foot °F (BTU/(h·ft·°F)) to watt per metre kelvin (W/(m·K))
BTU per hour foot °F (BTU/(h·ft·°F))Watts per metre kelvin (W/(m·K))
0.025 BTU/(h·ft·°F)0.043268 W/(m·K)
0.04 BTU/(h·ft·°F)0.069229 W/(m·K)
0.1 BTU/(h·ft·°F)0.17307 W/(m·K)
0.5 BTU/(h·ft·°F)0.86537 W/(m·K)
1 BTU/(h·ft·°F)1.7307 W/(m·K)
1.5 BTU/(h·ft·°F)2.5961 W/(m·K)
15 BTU/(h·ft·°F)25.961 W/(m·K)
50 BTU/(h·ft·°F)86.537 W/(m·K)
100 BTU/(h·ft·°F)173.07 W/(m·K)
200 BTU/(h·ft·°F)346.15 W/(m·K)

About these units

BTU per hour foot °F (BTU/(h·ft·°F))

US & imperial (identical)

1 BTU/(h·ft·°F) ≈ 1.7307347 W/(m·K)

BTU per hour per foot per °F, about 1.7307 W/(m·K). The °F here is a temperature difference.

Source: NIST SP 811 / Handbook 44

Watt per metre kelvin (W/(m·K))

SI (metric)

Base unit

The SI unit of thermal conductivity. Copper is about 400, steel is about 50, mineral wool is about 0.04 W/(m·K).

Source: BIPM SI Brochure (9th ed.)

Frequently asked questions

How do I convert BTU per hour foot °F to watts per metre kelvin?

Use W/(m·K) = BTU/(h·ft·°F) × 1.730734666. Multiply the value in BTU per hour foot °F by 1.730734666.

How many watts per metre kelvin are in 1 BTU per hour foot °F?

1 BTU per hour foot °F (BTU/(h·ft·°F)) equals 1.7307 watts per metre kelvin (W/(m·K)); more precisely 1.730734666.

How many BTU per hour foot °F are in 1 watt per metre kelvin?

1 watt per metre kelvin (W/(m·K)) equals 0.57779 BTU per hour foot °F (BTU/(h·ft·°F)); more precisely 0.5777893165.

What is 15 BTU/(h·ft·°F) in W/(m·K)?

15 BTU per hour foot °F = 25.961 watts per metre kelvin.

What is a BTU per hour foot °F?

BTU per hour per foot per °F, about 1.7307 W/(m·K). The °F here is a temperature difference.

What is a watt per metre kelvin?

The SI unit of thermal conductivity. Copper is about 400, steel is about 50, mineral wool is about 0.04 W/(m·K).

Related conversions

Formula: W/(m·K) = BTU/(h·ft·°F) × 1.730734666. Factors last reviewed 2026-10-27.