BTUs per Hour-Square Foot to Watts per Square Centimeter Converter
Enter the heat flux density in btus per hour-square foot below to convert it to watts per square centimeter.
Convert BTUs per Hour-Square Foot to Watts per Square Centimeter
Enter a value in btus per hour-square foot (BTU/(h·ft²)) to convert to watts per square centimeter (W/cm²).
BTU per Hour-Square Foot to Watt per Square Centimeter Conversion Table
Table showing various btu per hour-square foot measurements converted to watts per square centimeter. Click any preset value or arrow to load it into the converter.
| BTUs per Hour-Square Foot (BTU/(h·ft²)) | Watts per Square Centimeter (W/cm²) |
|---|---|
| 1 BTU/(h·ft²) | 0.000315459 W/cm² |
| 2 BTU/(h·ft²) | 0.000630918 W/cm² |
| 2.5 BTU/(h·ft²) | 0.000788648 W/cm² |
| 5 BTU/(h·ft²) | 0.0015773 W/cm² |
| 10 BTU/(h·ft²) | 0.0031546 W/cm² |
| 15 BTU/(h·ft²) | 0.0047319 W/cm² |
| 20 BTU/(h·ft²) | 0.0063092 W/cm² |
| 25 BTU/(h·ft²) | 0.0078865 W/cm² |
| 30 BTU/(h·ft²) | 0.0094638 W/cm² |
| 50 BTU/(h·ft²) | 0.015773 W/cm² |
How to Convert BTUs per Hour-Square Foot to Watts per Square Centimeter
To convert btus per hour-square foot to watts per square centimeter, multiply the heat flux density by the following conversion ratio: 0.000315459 watts per square centimeter/btu per hour-square foot.
Since one btu per hour-square foot is equal to 0.000315459 watts per square centimeter, you can use this simple formula to convert:
The heat flux density in watts per square centimeter is equal to the heat flux density in btus per hour-square foot multiplied by 0.000315459.
For example, here's how to convert 5 btus per hour-square foot to watts per square centimeter using the formula above.
How Many Watts per Square Centimeter Are in a BTU per Hour-Square Foot?
There are 0.000315459 watts per square centimeter in a btu per hour-square foot, which is why we use this value in the formula above.
Our btu per hour-square foot to watt per square centimeter calculator automatically converts your heat flux density measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
BTUs per Hour-Square Foot and watts per square centimeter are both units used to measure heat flux density. Keep reading to learn more about each unit.
What Is a BTU per Hour-Square Foot?
A btu per hour-square foot is a unit of heat flux density equal to 3.1545908 watts per square meter (W/m²), the base unit for heat flux density. US HVAC heat flux unit (≈ 3.1546 W/m²). [1]
The btu per hour-square foot is classified as a US customary unit of heat flux density. BTUs per Hour-Square Foot can be abbreviated as BTU/(h·ft²); for example, 1 btu per hour-square foot can be written as 1 BTU/(h·ft²).
When working with btus per hour-square foot (BTU/(h·ft²)) 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-square foot (BTU/(h·ft²)) are widely used across standard heat flux density applications within US customary workflows, engineering documentation, and technical data sheets.
What Is a Watt per Square Centimeter?
A watt per square centimeter is a unit of heat flux density equal to 10,000 watts per square meter (W/m²), the base unit for heat flux density. Equal to 10,000 W/m². [2]
The watt per square centimeter is classified as a metric and SI-compatible unit of heat flux density. Watts per Square Centimeter can be abbreviated as W/cm²; for example, 1 watt per square centimeter can be written as 1 W/cm².
When working with watts per square centimeter (W/cm²) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, watts per square centimeter (W/cm²) are widely used across large-scale industrial, bulk, and macro-level heat flux density specifications within SI metric workflows, engineering documentation, and technical data sheets.
When converting heat flux density between btus per hour-square foot (BTU/(h·ft²)) and watts per square centimeter (W/cm²), keep full floating-point precision (1 BTU/(h·ft²) = 0.000315459 W/cm²; 1 W/cm² = 3,169.9833013 BTU/(h·ft²)) during intermediate calculations and round only the final watt per square centimeter figure to match your instrument tolerance.
More BTU per Hour-Square Foot & Watt per Square Centimeter Conversions
Need to calculate in the opposite direction? Use our watts per square centimeter to btus per hour-square foot calculator to switch your starting unit immediately. You can also explore related tools such as converting watts per square centimeter to btus per hour-square foot, converting watts per square meter to watts per square centimeter, or converting watts per square meter to kilowatts per square meter.
Convert from BTUs per Hour-Square Foot
Frequently Asked Questions
References
- [1]NIST OWM StandardNIST OWM (SI Units — Length)·Heat Flux Density Metrology Standard — BTUs per Hour-Square Foot (BTU/(h·ft²)) to Watts per Square Centimeter (W/cm²)
- [2]BIPM SpecificationBIPM (SI Base Unit: Metre (m))·Unit Specifications: BTU per Hour-Square Foot (BTU/(h·ft²)) & Watt per Square Centimeter (W/cm²)
- [3]NIST HB 133 ReferenceNIST HB 133 (NIST Handbook 133 (2019 Ed.))·Conversion Factors & Mathematical Basis (BTU/(h·ft²) to W/cm²)