Calories (it)/second/cm² to Ergs/hour/square millimeter Converter (cal/(s·cm²) to erg/(h·mm²))
cal/(s·cm²) × 1.507248 × 10⁹ = erg/(h·mm²)
Calculation: 1 cal/(s·cm²) × 1.507248 × 10⁹ = 1.507248 × 10⁹ erg/(h·mm²)
Common Calorie (IT)/second/cm² to Erg/hour/square millimeter Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Calorie (IT)/second/cm² (cal/(s·cm²)) and Erg/hour/square millimeter (erg/(h·mm²)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 cal/(s·cm²) 1507248 erg/(h·mm²) | 1.507 × 10⁶ |
| 0.01 cal/(s·cm²) 1.507248 × 10⁷ erg/(h·mm²) | 1.507 × 10⁷ |
| 0.1 cal/(s·cm²) 1.507248 × 10⁸ erg/(h·mm²) | 1.507 × 10⁸ |
| 0.5 cal/(s·cm²) 7.53624 × 10⁸ erg/(h·mm²) | 7.536 × 10⁸ |
| 1 cal/(s·cm²) 1.507248 × 10⁹ erg/(h·mm²) | 1.507 × 10⁹ |
| 2 cal/(s·cm²) 3.014496 × 10⁹ erg/(h·mm²) | 3.014 × 10⁹ |
| 5 cal/(s·cm²) 7.53624 × 10⁹ erg/(h·mm²) | 7.536 × 10⁹ |
| 10 cal/(s·cm²) 1.507248 × 10¹⁰ erg/(h·mm²) | 1.507 × 10¹⁰ |
| 20 cal/(s·cm²) 3.014496 × 10¹⁰ erg/(h·mm²) | 3.014 × 10¹⁰ |
| 25 cal/(s·cm²) 3.76812 × 10¹⁰ erg/(h·mm²) | 3.768 × 10¹⁰ |
| 50 cal/(s·cm²) 7.53624 × 10¹⁰ erg/(h·mm²) | 7.536 × 10¹⁰ |
| 100 cal/(s·cm²) 1.507248 × 10¹¹ erg/(h·mm²) | 1.507 × 10¹¹ |
| 250 cal/(s·cm²) 3.76812 × 10¹¹ erg/(h·mm²) | 3.768 × 10¹¹ |
| 500 cal/(s·cm²) 7.53624 × 10¹¹ erg/(h·mm²) | 7.536 × 10¹¹ |
| 1000 cal/(s·cm²) 1.507248 × 10¹² erg/(h·mm²) | 1.507 × 10¹² |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 erg/(h·mm²) 6.634608 × 10⁻¹⁰ cal/(s·cm²) | 6.635 × 10⁻¹⁰ |
| 5 erg/(h·mm²) 3.317304 × 10⁻⁹ cal/(s·cm²) | 3.317 × 10⁻⁹ |
| 10 erg/(h·mm²) 6.634608 × 10⁻⁹ cal/(s·cm²) | 6.635 × 10⁻⁹ |
| 50 erg/(h·mm²) 3.317304 × 10⁻⁸ cal/(s·cm²) | 3.317 × 10⁻⁸ |
| 100 erg/(h·mm²) 6.634608 × 10⁻⁸ cal/(s·cm²) | 6.635 × 10⁻⁸ |
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)/second/cm² (cal/(s·cm²)) and Erg/hour/square millimeter (erg/(h·mm²)):
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)
Erg/hour/square millimeter References:
- Micro-machined MEMS sensor thermal dissipation flux rate 36000 erg/(h·mm²)
How to Convert Calorie (IT)/second/cm² to Erg/hour/square millimeter
Converting Calorie (IT)/second/cm² (cal/(s·cm²)) to Erg/hour/square millimeter (erg/(h·mm²)) 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 bridges modern MKSA metric standards with the historical Gaussian centimetre-gram-second (CGS) electrostatic and electromagnetic framework. In CGS systems, electromagnetic units (such as statvolts, abvolts, dynes, ergs, and gauss) are formulated directly from mechanical dimensions, with electrostatic-to-electromagnetic relations tied to the speed of light in vacuum (c ≈ 2.99792458 × 1010 cm/s). Exactly 1 Calorie (IT)/second/cm² translates to 1.507248 × 10⁹ Erg/hour/square millimeter (1 erg/(h·mm²) = 6.634608 × 10⁻¹⁰ cal/(s·cm²)).
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/(s·cm²) = 41868 watt per square meter (W/m²)1 erg/(h·mm²) = 2.777778 × 10⁻⁵ watt per square meter (W/m²)V(erg/(h·mm²)) = V(cal/(s·cm²)) × ( 41868 / 2.777778 × 10⁻⁵ ) = V(cal/(s·cm²)) × 1.507248 × 10⁹Value in Erg/hour/square millimeter = Value in Calorie (IT)/second/cm² × 1.507248 × 10⁹Direct computational formula applied for standard conversion.Converting 15 cal/(s·cm²) yields an exact output of 2.260872 × 10¹⁰ erg/(h·mm²) in Erg/hour/square millimeter. Under higher industrial throughput, 240 cal/(s·cm²) translates to 3.617395 × 10¹¹ erg/(h·mm²).
Inverse check: 1 erg/(h·mm²) = 6.634608 × 10⁻¹⁰ cal/(s·cm²).Understanding Calorie (IT)/second/cm² and Erg/hour/square millimeter
Calorie (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/m²Erg/hour/square millimeter
erg/(h·mm²)An Erg/hour/square millimeter (erg/(h·mm²)) is a unit of heat flux density in the centimeter-gram-second (CGS) system.
Applications & Practical Context
In practical heat flux density terms, a micro-machined MEMS sensor thermal dissipation flux rate equals 36000 erg/(h·mm²).
A physical magnitude of 1 erg/(h·mm²) corresponds to 2.777778 × 10⁻⁵ W/m² in standard SI measurement.
1 erg/(h·mm²) = 2.777778 × 10⁻⁵ 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/(s·cm²) × 41868 = 41868 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 = (41868 W/m²) × (8 m²) = 334944 W -
4. Convert to Standard Engineering Units:
• W: 334944 × 1 = 334944 W (Watts) • kW: 334944 × 0.001 = 334.944 kW (Kilowatts) • MW: 334944 × 1 × 10⁻⁶ = 0.334944 MW (Megawatts) • hp: 334944 × 0.001341 = 449.1673 hp (Horsepower (Mechanical)) • PS: 334944 × 0.00136 = 455.3971 PS (Metric Horsepower (PS)) • BTU/h: 334944 × 3.4121 = 1142876.37 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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