Menu

Convert btu per hour per square foot to btu per second per square foot Online

Convert Heat Flux Density Units Online with BTU per hour per square foot (BTU/h·ft²) to BTU per second per square foot (BTU/s·ft²) Conversion

Convert BTU to BTU using the exact conversion factor. This page provides the formula, reference values, and practical context for engineering, technical calculations, and professional measurement use.

Conversion Formula

BTU per hour per square foot (BTU/h·ft²) = BTU per second per square foot (BTU/s·ft²) × 0.000278

To convert BTU per hour per square foot (BTU/h·ft²) to BTU per second per square foot (BTU/s·ft²), multiply the value by 0.000278. The conversion factor is based on standardized unit definitions and is suitable for engineering analysis, system design, and professional measurement workflows.

Common btu per hour per square foot to btu per second per square foot values

Common btu per hour per square foot to btu per second per square foot values
btu per hour per square footbtu per second per square foot
10.00028
20.00056
50.00139
100.00278
250.00694
500.01389
1000.02778

Example

Convert 1 BTU/h.ft2 to BTU/s.ft2.

  • Step 1: Write the formula: BTU/s.ft2 = BTU/h.ft2 × 0.000278
  • Step 2: Substitute: 1 × 0.000278
  • Step 3: Result: 0.000278 BTU/s.ft2
So, 1 BTU/h.ft2 = 0.000278 BTU/s.ft2.

About the Units

BTU per hour per square foot (BTU/h·ft²)

One BTU per hour per square foot (BTU/h·ft²) equals 0.000278 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.

BTU per second per square foot (BTU/s·ft²)

One BTU per second per square foot (BTU/s·ft²) equals 3599.992392 BTUs per hour per square foot (BTU/h·ft²)

Units of heat flux density are standardized measurements used to quantify heat flow per unit surface area.

Where This Conversion Is Used

  • Convert BTU to BTU to ensure consistent values across calculations, reports, and measurement systems.
  • Helps compare heat flow intensity values across different units, commonly required in thermal performance and safety analysis.
  • Useful for aligning heat flux data from simulations, sensors, and test reports.

Frequently Asked Questions

How many BTU per second per square foot (BTU/s·ft²) are in 1 BTU per hour per square foot (BTU/h·ft²)?

1 BTU per hour per square foot (BTU/h·ft²) = 0.000278 BTU per second per square foot (BTU/s·ft²).

How many BTU per second per square foot (BTU/s·ft²) are in one BTU per hour per square foot (BTU/h·ft²)?

One BTU per hour per square foot (BTU/h·ft²) equals 0.000278 BTU per second per square foot (BTU/s·ft²).

How many BTU/s.ft2 are in one BTU/h.ft2?

One BTU/h.ft2 equals 0.000278 BTU/s.ft2.

What is the formula for converting BTU per hour per square foot (BTU/h·ft²) to BTU per second per square foot (BTU/s·ft²)?

Multiply the BTU per hour per square foot (BTU/h·ft²) value by 0.000278.

Can I reverse the conversion?

Yes. 1 BTU per second per square foot (BTU/s·ft²) = 3599.992392 BTUs per hour per square foot (BTU/h·ft²).

Is this BTU per hour per square foot (BTU/h·ft²) to BTU per second per square foot (BTU/s·ft²) 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.

Conclusion

By applying the conversion factor shown above, you can convert BTU per hour per square foot (BTU/h·ft²) to BTU per second per square foot (BTU/s·ft²) for insulation analysis, thermal testing, and energy performance evaluation.