Chus/hour/square foot to Calories (th)/hour/square centimeter Converter (CHU/(h·ft²) to cal (th)/(h·cm²))
CHU/(h·ft²) × 0.48857021 = cal (th)/(h·cm²)
Calculation: 1 CHU/(h·ft²) × 0.48857021 = 0.48857021 cal (th)/(h·cm²)
Common CHU/hour/square foot to Calorie (th)/hour/square centimeter Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between CHU/hour/square foot (CHU/(h·ft²)) and Calorie (th)/hour/square centimeter (cal (th)/(h·cm²)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 CHU/(h·ft²) 0.00048857 cal (th)/(h·cm²) | 4.886 × 10⁻⁴ |
| 0.01 CHU/(h·ft²) 0.0048857 cal (th)/(h·cm²) | 4.886 × 10⁻³ |
| 0.1 CHU/(h·ft²) 0.048857 cal (th)/(h·cm²) | 4.886 × 10⁻² |
| 0.5 CHU/(h·ft²) 0.244285 cal (th)/(h·cm²) | 2.443 × 10⁻¹ |
| 1 CHU/(h·ft²) 0.48857 cal (th)/(h·cm²) | 4.886 × 10⁻¹ |
| 2 CHU/(h·ft²) 0.97714 cal (th)/(h·cm²) | 9.771 × 10⁻¹ |
| 5 CHU/(h·ft²) 2.442851 cal (th)/(h·cm²) | 2.443 × 10⁰ |
| 10 CHU/(h·ft²) 4.885702 cal (th)/(h·cm²) | 4.886 × 10⁰ |
| 20 CHU/(h·ft²) 9.771404 cal (th)/(h·cm²) | 9.771 × 10⁰ |
| 25 CHU/(h·ft²) 12.214255 cal (th)/(h·cm²) | 1.221 × 10¹ |
| 50 CHU/(h·ft²) 24.428511 cal (th)/(h·cm²) | 2.443 × 10¹ |
| 100 CHU/(h·ft²) 48.857021 cal (th)/(h·cm²) | 4.886 × 10¹ |
| 250 CHU/(h·ft²) 122.142553 cal (th)/(h·cm²) | 1.221 × 10² |
| 500 CHU/(h·ft²) 244.285106 cal (th)/(h·cm²) | 2.443 × 10² |
| 1000 CHU/(h·ft²) 488.570212 cal (th)/(h·cm²) | 4.886 × 10² |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 cal (th)/(h·cm²) 2.046789 CHU/(h·ft²) | 2.047 × 10⁰ |
| 5 cal (th)/(h·cm²) 10.233944 CHU/(h·ft²) | 1.023 × 10¹ |
| 10 cal (th)/(h·cm²) 20.467887 CHU/(h·ft²) | 2.047 × 10¹ |
| 50 cal (th)/(h·cm²) 102.339436 CHU/(h·ft²) | 1.023 × 10² |
| 100 cal (th)/(h·cm²) 204.678872 CHU/(h·ft²) | 2.047 × 10² |
Real-World Context & Everyday Benchmarks
Tap to load into converterTo help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for CHU/hour/square foot (CHU/(h·ft²)) and Calorie (th)/hour/square centimeter (cal (th)/(h·cm²)):
CHU/hour/square foot References:
- British historical boiler combustion heat transfer flux 150 CHU/(h·ft²)
Calorie (th)/hour/square centimeter References:
- Glass greenhouse passive solar heating transmission flux 60 cal (th)/(h·cm²)
How to Convert CHU/hour/square foot to Calorie (th)/hour/square centimeter
Converting CHU/hour/square foot (CHU/(h·ft²)) to Calorie (th)/hour/square centimeter (cal (th)/(h·cm²)) is a core calculation in Heat Flux Density, which measures the rate of thermal energy transfer radiating or conducting through a unit area per second. This calculation navigates the boundary between the International Metric System (SI) and British Imperial / US Customary engineering standards. In contemporary metrology, Imperial units are defined in terms of exact SI standards via international agreements—notably NIST SP 811 and the 1959 International Yard and Pound Agreement. Exactly 1 CHU/hour/square foot equals 0.48857 Calorie (th)/hour/square centimeter, while 1 cal (th)/(h·cm²) equals 2.046789 CHU/(h·ft²).
Mathematical Conversion Derivation via Coherent SI Base Unit
Under the International System of Quantities (ISQ), dimensional conversion between non-SI units is rigorously resolved by bridging through the coherent SI base unit (watt per square meter (W/m²)) without arbitrary rounding:
1 CHU/(h·ft²) = 5.678269 watt per square meter (W/m²)1 cal (th)/(h·cm²) = 11.622217 watt per square meter (W/m²)V(cal (th)/(h·cm²)) = V(CHU/(h·ft²)) × ( 5.678269 / 11.622217 ) = V(CHU/(h·ft²)) × 0.48857Value in Calorie (th)/hour/square centimeter = Value in CHU/hour/square foot × 0.48857021Direct computational formula applied for standard conversion.Converting 15 CHU/(h·ft²) yields an exact output of 7.328553 cal (th)/(h·cm²) in Calorie (th)/hour/square centimeter. Under higher industrial throughput, 1000 CHU/(h·ft²) translates to 488.570212 cal (th)/(h·cm²).
Inverse check: 1 cal (th)/(h·cm²) = 2.046789 CHU/(h·ft²).Understanding CHU/hour/square foot and Calorie (th)/hour/square centimeter
CHU/hour/square foot
CHU/(h·ft²)A CHU/hour/square foot (CHU/(h·ft²)) is an imperial and US customary unit for heat flux density.
Applications & Practical Context
In practical heat flux density terms, a British historical boiler combustion heat transfer flux equals 150 CHU/(h·ft²).
A physical magnitude of 1 CHU/(h·ft²) corresponds to 5.678269 W/m² in standard SI measurement.
1 CHU/(h·ft²) = 5.678269 W/m²Calorie (th)/hour/square centimeter
cal (th)/(h·cm²)A Calorie (th)/hour/square centimeter (cal (th)/(h·cm²)) is a recognized unit for heat flux density.
Applications & Practical Context
In practical heat flux density terms, a glass greenhouse passive solar heating transmission flux equals 60 cal (th)/(h·cm²).
A physical magnitude of 1 cal (th)/(h·cm²) corresponds to 11.622217 W/m² in standard SI measurement.
1 cal (th)/(h·cm²) = 11.622217 W/m²Domain Metrology & Engineering Applications
Thermal Transmission Flux (q = Q̇ / A)
Rigorously quantified in laboratory and field settings using Schmidt-Boelter heat flux gauges, differential thermopile foil transducers, and calibrated Gardon radiant gauges.
Applied across rocket nozzle combustion chamber analysis, fire resistance testing (ASTM E119), furnace wall heat loss auditing, and hypersonic aerothermal design under international metrology standard ISO 80000-5:2019, ASME PTC 19.3.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-5:2019, ASME PTC 19.3 and the BIPM SI Brochure (9th Edition). Governed by Thermal Transmission Flux (q = Q̇ / A) under ISO 80000 dimensional vector [M T⁻³].
Heat Flux Density to Total Thermal Power Bridge (Watts • Kilowatts • Megawatts • BTU/h • Horsepower)
Calculate total continuous heat dissipation power P = q" × A across surface barriers and exchangers, bridging heat flux density [M T⁻³] with thermal power [M L² T⁻³].
P = q" × A
[W/m²] × [m²] → [W]
-
1. Normalize Input to SI Base Unit (W/m²):
q" = 1 CHU/(h·ft²) × 5.67826926 = 5.67826926 W/m² -
2. Apply Engineering Parameter (A):
Selected condition: Industrial Hydronic Radiator Panel (8 m²) at A = 8 m² -
3. Execute Governing Physical Law in SI Units:
P = q" × A = (5.67826926 W/m²) × (8 m²) = 45.426154 W -
4. Convert to Standard Engineering Units:
• W: 45.426154 × 1 = 45.4262 W (Watts) • kW: 45.426154 × 0.001 = 0.04543 kW (Kilowatts) • MW: 45.426154 × 1 × 10⁻⁶ = 4.542615 × 10⁻⁵ MW (Megawatts) • hp: 45.426154 × 0.001341 = 0.06092 hp (Horsepower (Mechanical)) • PS: 45.426154 × 0.00136 = 0.06176 PS (Metric Horsepower (PS)) • BTU/h: 45.426154 × 3.4121 = 155 BTU/h (BTU per Hour)
| Engineering Substance / Operating Standard | Parameter Value (m²) | Reference State / Condition | Typical Industrial & Engineering Application |
|---|---|---|---|
| Residential Window Glazing (4 m²) | 4 |
4.0 m² | Double-pane exterior window glass aperture |
| Industrial Hydronic Radiator Panel (8 m²) | 8 |
8.0 m² | Convective space heating radiator surface |
| Shell & Tube Heat Exchanger (50 m²) | 50 |
50.0 m² | Industrial process fluid cooling bundle |
| Power Boiler Waterwall (200 m²) | 200 |
200.0 m² | Thermal power plant steam generator wall |
Frequently Asked Questions
Related CHU/hour/square foot and Calorie (th)/hour/square centimeter Conversions
Convert CHU/hour/square foot to Other Units
Convert Other Units to Calorie (th)/hour/square centimeter
Physically Coupled Thermodynamics & Heat Converters
Explore interconnected physical dimension converters within the Thermodynamics & Heat cluster (ISO 80000-5:2019).