How do you convert kelvins per watt to degrees celsius per watt?

To convert kelvins per watt (K/W) to degrees celsius per watt (°C/W), multiply the measurement in kelvins per watt by 1 (degrees celsius per watt = kelvins per watt × 1).

What is 10 kelvins per watt in degrees celsius per watt?

10 kelvins per watt (10 K/W) is equal to 10 degrees celsius per watt (10 °C/W).

Which is larger, 1 kelvin per watt (K/W) or 1 degree celsius per watt (°C/W)?

One kelvin per watt (K/W) is larger than one degree celsius per watt (°C/W). Specifically, 1 K/W contains 1 °C/W, whereas 1 °C/W is 1 K/W.

How do I convert back from degrees celsius per watt (°C/W) to kelvins per watt (K/W)?

To reverse the calculation from °C/W to K/W, multiply your degree celsius per watt value by the inverse factor 1 (or divide by 1). You can also click the Swap button in the tool above to flip directions in one click.

How many decimal places should I round K/W to °C/W results to?

For everyday comparisons and quick estimates, rounding to 2 decimal places is usually sufficient (for example, 10 K/W ≈ 10.00 °C/W). For engineering, laboratory, or machining specifications, select 4 or 6 decimals—or Scientific (10ⁿ) mode—in the calculator toolbar above.

Kelvins per Watt to Degrees Celsius per Watt Converter

Enter the thermal resistance in kelvins per watt below to convert it to degrees celsius per watt.

Degrees Celsius per Watt to Kelvins per Watt (°C/W → K/W)

Convert Kelvins per Watt to Degrees Celsius per Watt

Enter a value in kelvins per watt (K/W) to convert to degrees celsius per watt (°C/W).

Value (K/W)

From

Result

•

10degrees celsius per watt

10 K/W = 10 °C/W

Result updates automatically

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Suggested Conversions

Reference:NIST OWM (SI Units — Length)

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Kelvin per Watt to Degree Celsius per Watt Conversion Table

Table showing various kelvin per watt measurements converted to degrees celsius per watt. Click any preset value or arrow to load it into the converter.

Kelvins per Watt (K/W)	Degrees Celsius per Watt (°C/W)
1 K/W	1 °C/W
2 K/W	2 °C/W
5 K/W	5 °C/W
10 K/W	10 °C/W
15 K/W	15 °C/W
20 K/W	20 °C/W
25 K/W	25 °C/W
30 K/W	30 °C/W
50 K/W	50 °C/W
75 K/W	75 °C/W

How to Convert Kelvins per Watt to Degrees Celsius per Watt

To convert kelvins per watt to degrees celsius per watt, multiply the thermal resistance by the following conversion ratio: 1 degrees celsius per watt/kelvin per watt.

Since one kelvin per watt is equal to 1 degrees celsius per watt, you can use this simple formula to convert:

degrees celsius per watt = kelvins per watt × 1

The thermal resistance in degrees celsius per watt is equal to the thermal resistance in kelvins per watt multiplied by 1.

For example, here's how to convert 10 kelvins per watt to degrees celsius per watt using the formula above.

degrees celsius per watt = (10 K/W × 1) = 10 °C/W

How Many Degrees Celsius per Watt Are in a Kelvin per Watt?

There are 1 degrees celsius per watt in a kelvin per watt, which is why we use this value in the formula above.

1 K/W = 1 °C/W|1 °C/W = 1 K/W

Our kelvin per watt to degree celsius per watt calculator automatically converts your thermal resistance measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.

Kelvins per Watt and degrees celsius per watt are both units used to measure thermal resistance. Keep reading to learn more about each unit.

What Is a Kelvin per Watt?

SI unit of absolute thermal resistance. It serves as a primary reference unit for measuring thermal resistance across scientific and practical applications. [1]

The kelvin per watt is classified as an International System of Units (SI) unit of thermal resistance. Kelvins per Watt can be abbreviated as K/W; for example, 1 kelvin per watt can be written as 1 K/W.

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

In practice, kelvins per watt (K/W) are widely used across standard thermal resistance applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.

Learn more about kelvins per watt in our Thermal Resistance Converter.

What Is a Degree Celsius per Watt?

A degree celsius per watt is a unit of thermal resistance equal to 1 kelvins per watt (K/W), the base unit for thermal resistance. Electronics heatsink thermal resistance unit (1 °C/W = 1 K/W). [2]

The degree celsius per watt is classified as a metric and SI-compatible unit of thermal resistance. Degrees Celsius per Watt can be abbreviated as °C/W; for example, 1 degree celsius per watt can be written as 1 °C/W.

When working with degrees celsius per watt (°C/W) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.

In practice, degrees celsius per watt (°C/W) are widely used across standard thermal resistance applications within SI metric workflows, engineering documentation, and technical data sheets.

Learn more about degrees celsius per watt in our Thermal Resistance Converter.

When converting thermal resistance between kelvins per watt (K/W) and degrees celsius per watt (°C/W), keep full floating-point precision (1 K/W = 1 °C/W; 1 °C/W = 1 K/W) during intermediate calculations and round only the final degree celsius per watt figure to match your instrument tolerance.

More Kelvin per Watt & Degree Celsius per Watt Conversions

Need to calculate in the opposite direction? Use our degrees celsius per watt to kelvins per watt converter (°C/W to K/W) to switch your starting unit immediately. You can also explore related tools such as converting kelvins per watt to degree fahrenheit hours per btu, converting kelvins per watt to degree fahrenheit seconds per btu, or converting degree fahrenheit hours per btu to kelvins per watt.

Convert from Kelvins per Watt

Convert to Degrees Celsius per Watt

Frequently Asked Questions

There are 1 degrees celsius per watt (°C/W) in 1 kelvin per watt (K/W). Conversely, 1 degree celsius per watt (°C/W) is equal to 1 kelvins per watt (K/W).

Thermal Resistance Converter

Quick Info

Direct Factor: 1 kelvin per watt (K/W) equals 1 degrees celsius per watt (°C/W).
Inverse Factor: 1 degree celsius per watt (°C/W) equals 1 kelvins per watt (K/W).
Formula: degrees celsius per watt = kelvins per watt × 1.
Verified Precision: Anchored to official NIST SP 811 and ISO/IEC 80000 standards.

Units Comparison

Kelvin per Watt (K/W)

SI unit of absolute thermal resistance.

Degree Celsius per Watt (°C/W)

Electronics heatsink thermal resistance unit (1 °C/W = 1 K/W).

Degree Fahrenheit Hour per BTU (°F·h/BTU)

US thermal resistance unit (≈ 1.8956 K/W).

References

[1]NIST OWM · SI Units — Length
Source
[2]BIPM · SI Base Unit: Metre (m)
Source
[3]NIST HB 133 · NIST Handbook 133 (2019 Ed.)
Source

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References

NIST · BIPM · ISO

[1]
NIST OWM (SI Units — Length)·Thermal Resistance Metrology Standard — Kelvins per Watt (K/W) to Degrees Celsius per Watt (°C/W)
NIST OWM Standard
[2]
BIPM (SI Base Unit: Metre (m))·Unit Specifications: Kelvin per Watt (K/W) & Degree Celsius per Watt (°C/W)
BIPM Specification
[3]
NIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (K/W to °C/W)
NIST HB 133 Reference

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