Calories (it)/hour/cm² to Calories (it)/second/cm² Converter (cal/(h·cm²) to cal/(s·cm²))
cal/(h·cm²) × 0.00027777778 = cal/(s·cm²)
Calculation: 1 cal/(h·cm²) × 0.00027777778 = 0.00027777778 cal/(s·cm²)
Common Calorie (IT)/hour/cm² to Calorie (IT)/second/cm² Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Calorie (IT)/hour/cm² (cal/(h·cm²)) and Calorie (IT)/second/cm² (cal/(s·cm²)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 cal/(h·cm²) 2.777778 × 10⁻⁷ cal/(s·cm²) | 2.778 × 10⁻⁷ |
| 0.01 cal/(h·cm²) 2.777778 × 10⁻⁶ cal/(s·cm²) | 2.778 × 10⁻⁶ |
| 0.1 cal/(h·cm²) 2.777778 × 10⁻⁵ cal/(s·cm²) | 2.778 × 10⁻⁵ |
| 0.5 cal/(h·cm²) 0.000138889 cal/(s·cm²) | 1.389 × 10⁻⁴ |
| 1 cal/(h·cm²) 0.000277778 cal/(s·cm²) | 2.778 × 10⁻⁴ |
| 2 cal/(h·cm²) 0.000555556 cal/(s·cm²) | 5.556 × 10⁻⁴ |
| 5 cal/(h·cm²) 0.00138889 cal/(s·cm²) | 1.389 × 10⁻³ |
| 10 cal/(h·cm²) 0.00277778 cal/(s·cm²) | 2.778 × 10⁻³ |
| 20 cal/(h·cm²) 0.00555556 cal/(s·cm²) | 5.556 × 10⁻³ |
| 25 cal/(h·cm²) 0.00694444 cal/(s·cm²) | 6.944 × 10⁻³ |
| 50 cal/(h·cm²) 0.0138889 cal/(s·cm²) | 1.389 × 10⁻² |
| 100 cal/(h·cm²) 0.0277778 cal/(s·cm²) | 2.778 × 10⁻² |
| 250 cal/(h·cm²) 0.0694444 cal/(s·cm²) | 6.944 × 10⁻² |
| 500 cal/(h·cm²) 0.138889 cal/(s·cm²) | 1.389 × 10⁻¹ |
| 1000 cal/(h·cm²) 0.277778 cal/(s·cm²) | 2.778 × 10⁻¹ |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 cal/(s·cm²) 3600 cal/(h·cm²) | 3.6 × 10³ |
| 5 cal/(s·cm²) 18000 cal/(h·cm²) | 1.8 × 10⁴ |
| 10 cal/(s·cm²) 36000 cal/(h·cm²) | 3.6 × 10⁴ |
| 50 cal/(s·cm²) 180000 cal/(h·cm²) | 1.8 × 10⁵ |
| 100 cal/(s·cm²) 360000 cal/(h·cm²) | 3.6 × 10⁵ |
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 Calorie (IT)/hour/cm² (cal/(h·cm²)) and Calorie (IT)/second/cm² (cal/(s·cm²)):
Calorie (IT)/hour/cm² References:
- Solar constant extraterrestrial solar irradiance at top of atmosphere 117.02 cal/(h·cm²)
- Clear sky direct midday summer sunlight striking sea level ground 85.9845 cal/(h·cm²)
- Human body resting thermal metabolic heat radiation to room 4.2992 cal/(h·cm²)
- Overcast winter day diffuse solar irradiance at sea level 8.5985 cal/(h·cm²)
Calorie (IT)/second/cm² References:
- Solar constant extraterrestrial solar irradiance at top of atmosphere 0.032507 cal/(s·cm²)
- Clear sky direct midday summer sunlight striking sea level ground 0.023885 cal/(s·cm²)
- Human body resting thermal metabolic heat radiation to room 0.001194 cal/(s·cm²)
- Overcast winter day diffuse solar irradiance at sea level 0.002388 cal/(s·cm²)
How to Convert Calorie (IT)/hour/cm² to Calorie (IT)/second/cm²
Converting Calorie (IT)/hour/cm² (cal/(h·cm²)) to Calorie (IT)/second/cm² (cal/(s·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. Because Calorie (IT)/second/cm² is a broader physical scale than Calorie (IT)/hour/cm², converting from cal/(h·cm²) to cal/(s·cm²) condenses the numerical figure. It takes 3600 Calorie (IT)/hour/cm² to equal a single Calorie (IT)/second/cm² (1 cal/(h·cm²) = 0.000277778 cal/(s·cm²)). To convert any quantity, multiply by 0.000277778 (or divide by 3600).
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 cal/(h·cm²) = 11.63 watt per square meter (W/m²)1 cal/(s·cm²) = 41868 watt per square meter (W/m²)V(cal/(s·cm²)) = V(cal/(h·cm²)) × ( 11.63 / 41868 ) = V(cal/(h·cm²)) × 0.000277778Value in Calorie (IT)/second/cm² = Value in Calorie (IT)/hour/cm² × 0.00027777778Direct computational formula applied for standard conversion.For an engineering input of 36 cal/(h·cm²), applying the conversion factor yields exactly 0.01 cal/(s·cm²). At larger operational scale, 2500 Calorie (IT)/hour/cm² corresponds to 0.694444 cal/(s·cm²).
Inverse check: 1 cal/(s·cm²) = 3600 cal/(h·cm²).Understanding Calorie (IT)/hour/cm² and Calorie (IT)/second/cm²
Calorie (IT)/hour/cm²
cal/(h·cm²)A Calorie (IT)/hour/cm² (cal/(h·cm²)) is a recognized unit for heat flux density.
Applications & Practical Context
In practical heat flux density terms, a solar constant extraterrestrial solar irradiance at top of atmosphere equals 117.02 cal/(h·cm²), a clear sky direct midday summer sunlight striking sea level ground equals 85.9845 cal/(h·cm²), a human body resting thermal metabolic heat radiation to room equals 4.2992 cal/(h·cm²).
A physical magnitude of 1 cal/(h·cm²) corresponds to 11.63 W/m² in standard SI measurement.
1 cal/(h·cm²) = 11.63 W/m²Calorie (IT)/second/cm²
cal/(s·cm²)A Calorie (IT)/second/cm² (cal/(s·cm²)) is a recognized unit for heat flux density.
Applications & Practical Context
In practical heat flux density terms, a solar constant extraterrestrial solar irradiance at top of atmosphere equals 0.032507 cal/(s·cm²), a clear sky direct midday summer sunlight striking sea level ground equals 0.023885 cal/(s·cm²), a human body resting thermal metabolic heat radiation to room equals 0.001194 cal/(s·cm²).
A physical magnitude of 1 cal/(s·cm²) corresponds to 41868 W/m² in standard SI measurement.
1 cal/(s·cm²) = 41868 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 cal/(h·cm²) × 11.63 = 11.63 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 = (11.63 W/m²) × (8 m²) = 93.04 W -
4. Convert to Standard Engineering Units:
• W: 93.04 × 1 = 93.04 W (Watts) • kW: 93.04 × 0.001 = 0.09304 kW (Kilowatts) • MW: 93.04 × 1 × 10⁻⁶ = 9.304 × 10⁻⁵ MW (Megawatts) • hp: 93.04 × 0.001341 = 0.1248 hp (Horsepower (Mechanical)) • PS: 93.04 × 0.00136 = 0.1265 PS (Metric Horsepower (PS)) • BTU/h: 93.04 × 3.4121 = 317.47 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
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Physically Coupled Thermodynamics & Heat Converters
Explore interconnected physical dimension converters within the Thermodynamics & Heat cluster (ISO 80000-5:2019).