Kilocalories (it)/hour/square meter/°C to Joules/second/square meter/K Converter (kcal/(h·m²·°C) to J/(s·m²·K))
kcal/(h·m²·°C) × 1.16300031 = J/(s·m²·K)
Calculation: 1 kcal/(h·m²·°C) × 1.16300031 = 1.16300031 J/(s·m²·K)
Common Kilocalorie (IT)/hour/square meter/°C to Joule/second/square meter/K Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Kilocalorie (IT)/hour/square meter/°C (kcal/(h·m²·°C)) and Joule/second/square meter/K (J/(s·m²·K)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 kcal/(h·m²·°C) 0.001163 J/(s·m²·K) | 1.163 × 10⁻³ |
| 0.01 kcal/(h·m²·°C) 0.01163 J/(s·m²·K) | 1.163 × 10⁻² |
| 0.1 kcal/(h·m²·°C) 0.1163 J/(s·m²·K) | 1.163 × 10⁻¹ |
| 0.5 kcal/(h·m²·°C) 0.5815 J/(s·m²·K) | 5.815 × 10⁻¹ |
| 1 kcal/(h·m²·°C) 1.163 J/(s·m²·K) | 1.163 × 10⁰ |
| 2 kcal/(h·m²·°C) 2.326001 J/(s·m²·K) | 2.326 × 10⁰ |
| 5 kcal/(h·m²·°C) 5.815002 J/(s·m²·K) | 5.815 × 10⁰ |
| 10 kcal/(h·m²·°C) 11.630003 J/(s·m²·K) | 1.163 × 10¹ |
| 20 kcal/(h·m²·°C) 23.260006 J/(s·m²·K) | 2.326 × 10¹ |
| 25 kcal/(h·m²·°C) 29.075008 J/(s·m²·K) | 2.908 × 10¹ |
| 50 kcal/(h·m²·°C) 58.150015 J/(s·m²·K) | 5.815 × 10¹ |
| 100 kcal/(h·m²·°C) 116.300031 J/(s·m²·K) | 1.163 × 10² |
| 250 kcal/(h·m²·°C) 290.750077 J/(s·m²·K) | 2.908 × 10² |
| 500 kcal/(h·m²·°C) 581.500154 J/(s·m²·K) | 5.815 × 10² |
| 1000 kcal/(h·m²·°C) 1163.000308 J/(s·m²·K) | 1.163 × 10³ |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 J/(s·m²·K) 0.859845 kcal/(h·m²·°C) | 8.598 × 10⁻¹ |
| 5 J/(s·m²·K) 4.299225 kcal/(h·m²·°C) | 4.299 × 10⁰ |
| 10 J/(s·m²·K) 8.59845 kcal/(h·m²·°C) | 8.598 × 10⁰ |
| 50 J/(s·m²·K) 42.99225 kcal/(h·m²·°C) | 4.299 × 10¹ |
| 100 J/(s·m²·K) 85.9845 kcal/(h·m²·°C) | 8.598 × 10¹ |
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 Kilocalorie (IT)/hour/square meter/°C (kcal/(h·m²·°C)) and Joule/second/square meter/K (J/(s·m²·K)):
Kilocalorie (IT)/hour/square meter/°C References:
- Domestic hydronic heating baseboard convector air coefficient 8 kcal/(h·m²·°C)
- Refrigeration air conditioning evaporator finned coil coefficient 30 kcal/(h·m²·°C)
Joule/second/square meter/K References:
- Equivalent to W/(m²·K): Forced water cooling jacket convection 2500 J/(s·m²·K)
How to Convert Kilocalorie (IT)/hour/square meter/°C to Joule/second/square meter/K
Converting Kilocalorie (IT)/hour/square meter/°C (kcal/(h·m²·°C)) to Joule/second/square meter/K (J/(s·m²·K)) is a core calculation in Heat Transfer Coefficient, which quantifies the proportionality constant between the heat flux and the thermodynamic driving temperature difference. Because Kilocalorie (IT)/hour/square meter/°C represents a larger magnitude than Joule/second/square meter/K, converting from kcal/(h·m²·°C) to J/(s·m²·K) expands the numerical figure. Exactly 1 Kilocalorie (IT)/hour/square meter/°C encompasses 1.163 Joule/second/square meter/K. To convert any quantity, multiply the value in Kilocalorie (IT)/hour/square meter/°C by 1.163.
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 kelvin (W/(m²·K))) without arbitrary rounding:
1 kcal/(h·m²·°C) = 1.163 watt per square meter kelvin (W/(m²·K))1 J/(s·m²·K) = 1 watt per square meter kelvin (W/(m²·K))V(J/(s·m²·K)) = V(kcal/(h·m²·°C)) × ( 1.163 / 1 ) = V(kcal/(h·m²·°C)) × 1.163Value in Joule/second/square meter/K = Value in Kilocalorie (IT)/hour/square meter/°C × 1.16300031Direct computational formula applied for standard conversion.Converting 8 kcal/(h·m²·°C) yields an exact output of 9.304002 J/(s·m²·K) in Joule/second/square meter/K. Under higher industrial throughput, 100 kcal/(h·m²·°C) translates to 116.300031 J/(s·m²·K).
Inverse check: 1 J/(s·m²·K) = 0.859845 kcal/(h·m²·°C).Understanding Kilocalorie (IT)/hour/square meter/°C and Joule/second/square meter/K
Kilocalorie (IT)/hour/square meter/°C
kcal/(h·m²·°C)A Kilocalorie (IT)/hour/square meter/°C (kcal/(h·m²·°C)) is a decimal multiple of the SI-derived unit for heat transfer coefficient.
Applications & Practical Context
In practical heat transfer coefficient terms, a domestic hydronic heating baseboard convector air coefficient equals 8 kcal/(h·m²·°C), a refrigeration air conditioning evaporator finned coil coefficient equals 30 kcal/(h·m²·°C).
A physical magnitude of 1 kcal/(h·m²·°C) corresponds to 1.163 W/(m²·K) in standard SI measurement.
1 kcal/(h·m²·°C) = 1.163 W/(m²·K)Joule/second/square meter/K
J/(s·m²·K)A Joule/second/square meter/K (J/(s·m²·K)) is a recognized unit for heat transfer coefficient.
Applications & Practical Context
In practical heat transfer coefficient terms, a equivalent to W/(m²·K): Forced water cooling jacket convection equals 2500 J/(s·m²·K).
A heat transfer coefficient of 1 J/(s·m²·K) yields 1 watt of thermal energy transfer per square meter for each kelvin difference.
1 J/(s·m²·K) = 1 W/(m²·K)Domain Metrology & Engineering Applications
Newton's Law of Cooling (q = h · ΔT)
Rigorously quantified in laboratory and field settings using surface heat flux transducer plates coupled with surface RTD arrays, and wind tunnel boundary layer calorimeters.
Applied across industrial heat exchanger rating, nuclear reactor cooling loop simulation, electronics forced-air cooling, and architectural U-value certification under international metrology standard ISO 80000-5:2019, ASME PTC.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-5:2019, ASME PTC and the BIPM SI Brochure (9th Edition). Governed by Newton's Law of Cooling (q = h · ΔT) under ISO 80000 dimensional vector [M T⁻³ Θ⁻¹].
Heat Transfer Coefficient to Convective Flux Bridge (W/m² • kW/m² • BTU/(h·ft²) • cal/(s·cm²))
Calculate Newton’s law of cooling convective heat flux q" = h × ΔT across convective film temperature drops, bridging heat transfer coefficient [M T⁻³ Θ⁻¹] with heat flux [M T⁻³].
q" = h × ΔT
[W/(m²·K)] × [K] → [W/m²]
-
1. Normalize Input to SI Base Unit (W/(m²·K)):
h = 1 kcal/(h·m²·°C) × 1.16300031 = 1.16300031 W/(m²·K) -
2. Apply Engineering Parameter (ΔT):
Selected condition: Forced Air Duct Cooling (ΔT = 25 K) at ΔT = 25 K -
3. Execute Governing Physical Law in SI Units:
q" = h × ΔT = (1.16300031 W/(m²·K)) × (25 K) = 29.075008 W/m² -
4. Convert to Standard Engineering Units:
• W/m²: 29.075008 × 1 = 29.075 W/m² (Watts per Square Meter) • kW/m²: 29.075008 × 0.001 = 0.02908 kW/m² (Kilowatts per Square Meter) • BTU/(h·ft²): 29.075008 × 0.317 = 9.2167 BTU/(h·ft²) (BTU per Hour Sq. Foot) • cal/(s·cm²): 29.075008 × 2.3885 × 10⁻⁵ = 0.00069444 cal/(s·cm²) (Calories per Second Sq. Cm) • Ly/min: 29.075008 × 0.001433 = 0.04167 Ly/min (Langley per Minute) • MW/m²: 29.075008 × 1 × 10⁻⁶ = 2.907501 × 10⁻⁵ MW/m² (Megawatts per Square Meter)
| Engineering Substance / Operating Standard | Parameter Value (K) | Reference State / Condition | Typical Industrial & Engineering Application |
|---|---|---|---|
| Natural Air Convection (ΔT = 15 K) | 15 |
ΔT = 15 K (15°C) | Still room air room heating surface delta |
| Forced Air Duct Cooling (ΔT = 25 K) | 25 |
ΔT = 25 K (25°C) | Forced fan ventilation heatsink airflow |
| Forced Liquid Water Cooling (ΔT = 30 K) | 30 |
ΔT = 30 K | Pumped liquid cold plate or engine jacket |
| Nucleate Boiling Heat Transfer (ΔT = 50 K) | 50 |
ΔT = 50 K | Boiler evaporator tube wall boundary |
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).