Convert BTU to Milliwatt 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 per square foot (BTU/s·ft²) = Milliwatt per square meter (mW/m²) × 1.135650e+7
To convert BTU per second per square foot (BTU/s·ft²) to Milliwatt per square meter (mW/m²), multiply the value by 1.135650e+7. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.
| btu per second per square foot | milliwatt per square meter |
|---|---|
| 1 | 1.13565 × 10⁷ |
| 2 | 2.2713 × 10⁷ |
| 5 | 5.67825 × 10⁷ |
| 10 | 1.13565 × 10⁸ |
| 25 | 2.83913 × 10⁸ |
| 50 | 5.67825 × 10⁸ |
| 100 | 1.13565 × 10⁹ |
Convert 1 BTU/s.ft2 to mW/m2.
So, 1 BTU/s.ft2 = 1.135650e+7 mW/m2.
One BTU per second per square foot (BTU/s·ft²) equals 1.135650e+7 Milliwatts per square meter (mW/m²)
Units of heat flux density are standardized measurements used to quantify heat flow per unit surface area.
One Milliwatt per square meter (mW/m²) equals 8.805530e-8 BTU per second per square foot (BTU/s·ft²)
Units of heat flux density are standardized measurements used to quantify heat flow per unit surface area.
How many Milliwatt per square meter (mW/m²) are in 1 BTU per second per square foot (BTU/s·ft²)?
1 BTU per second per square foot (BTU/s·ft²) = 1.135650e+7 Milliwatts per square meter (mW/m²).
How many Milliwatt per square meter (mW/m²) are in one BTU per second per square foot (BTU/s·ft²)?
One BTU per second per square foot (BTU/s·ft²) equals 1.135650e+7 Milliwatts per square meter (mW/m²).
How many mW/m2 are in one BTU/s.ft2?
One BTU/s.ft2 equals 1.135650e+7 mW/m2.
What is the formula for converting BTU per second per square foot (BTU/s·ft²) to Milliwatt per square meter (mW/m²)?
Multiply the BTU per second per square foot (BTU/s·ft²) value by 1.135650e+7.
Can I reverse the conversion?
Yes. 1 Milliwatts per square meter (mW/m²) = 8.805530e-8 BTU per second per square foot (BTU/s·ft²).
Is this BTU per second per square foot (BTU/s·ft²) to Milliwatt per square meter (mW/m²) 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 per square foot (BTU/s·ft²) to Milliwatt per square meter (mW/m²) for insulation analysis, thermal testing, and energy performance evaluation.
Need more pair pages?
Browse all Convert Heat Flux Density Units Online conversion pages