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Chus/hour/square foot/°C to Calories (it)/second/square centimeter/°C Converter (CHU/(h·ft²·°C) to cal/(s·cm²·°C))

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Live Conversion • ISO 80000-5:2019 Certified
1 CHU/hour/square foot/°C = 0.00013562319 Calorie (IT)/second/square centimeter/°C
1 CHU/(h·ft²·°C) = 0.000135623 cal/(s·cm²·°C) • 1 cal/(s·cm²·°C) = 7373.370289 CHU/(h·ft²·°C)
CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C: One CHU/hour/square foot/°C is equal to 0.00013562319 Calories (it)/second/square centimeter/°C.
Certified Authority Value
0.00013562
cal/(s·cm²·°C)
Exact: 1 cal/(s·cm²·°C) ≡ 7373.3702888053 CHU/(h·ft²·°C)
CHU/(h·ft²·°C)
CHU/(h·ft²·°C)
Swap to Calorie (IT)/second/square centimeter/°C to CHU/hour/square foot/°C
Swap to Calorie (IT)/second/square centimeter/°C to CHU/hour/square foot/°C
cal/(s·cm²·°C)
cal/(s·cm²·°C) 0.00013562319
Quick Values:
Conversion Formula
To convert CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C, multiply by 0.00013562319
CHU/(h·ft²·°C) × 0.00013562319 = cal/(s·cm²·°C)

Calculation: 1 CHU/(h·ft²·°C) × 0.00013562319 = 0.00013562319 cal/(s·cm²·°C)

Common CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between CHU/hour/square foot/°C (CHU/(h·ft²·°C)) and Calorie (IT)/second/square centimeter/°C (cal/(s·cm²·°C)).

Tap any row to calculate
CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C: Primary Direct Table (15 Steps)
CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 CHU/(h·ft²·°C) 1.356232 × 10⁻⁷ cal/(s·cm²·°C) 1.356 × 10⁻⁷
0.01 CHU/(h·ft²·°C) 1.356232 × 10⁻⁶ cal/(s·cm²·°C) 1.356 × 10⁻⁶
0.1 CHU/(h·ft²·°C) 1.356232 × 10⁻⁵ cal/(s·cm²·°C) 1.356 × 10⁻⁵
0.5 CHU/(h·ft²·°C) 6.78116 × 10⁻⁵ cal/(s·cm²·°C) 6.781 × 10⁻⁵
1 CHU/(h·ft²·°C) 0.000135623 cal/(s·cm²·°C) 1.356 × 10⁻⁴
2 CHU/(h·ft²·°C) 0.000271246 cal/(s·cm²·°C) 2.712 × 10⁻⁴
5 CHU/(h·ft²·°C) 0.000678116 cal/(s·cm²·°C) 6.781 × 10⁻⁴
10 CHU/(h·ft²·°C) 0.00135623 cal/(s·cm²·°C) 1.356 × 10⁻³
20 CHU/(h·ft²·°C) 0.00271246 cal/(s·cm²·°C) 2.712 × 10⁻³
25 CHU/(h·ft²·°C) 0.00339058 cal/(s·cm²·°C) 3.391 × 10⁻³
50 CHU/(h·ft²·°C) 0.00678116 cal/(s·cm²·°C) 6.781 × 10⁻³
100 CHU/(h·ft²·°C) 0.0135623 cal/(s·cm²·°C) 1.356 × 10⁻²
250 CHU/(h·ft²·°C) 0.0339058 cal/(s·cm²·°C) 3.391 × 10⁻²
500 CHU/(h·ft²·°C) 0.0678116 cal/(s·cm²·°C) 6.781 × 10⁻²
1000 CHU/(h·ft²·°C) 0.135623 cal/(s·cm²·°C) 1.356 × 10⁻¹
Calorie (IT)/second/square centimeter/°C to CHU/hour/square foot/°C: Reciprocal Summary
Calorie (IT)/second/square centimeter/°C to CHU/hour/square foot/°C Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 cal/(s·cm²·°C) 7373.370289 CHU/(h·ft²·°C) 7.373 × 10³
5 cal/(s·cm²·°C) 36866.851444 CHU/(h·ft²·°C) 3.687 × 10⁴
10 cal/(s·cm²·°C) 73733.702888 CHU/(h·ft²·°C) 7.373 × 10⁴
50 cal/(s·cm²·°C) 368668.51444 CHU/(h·ft²·°C) 3.687 × 10⁵
100 cal/(s·cm²·°C) 737337.028881 CHU/(h·ft²·°C) 7.373 × 10⁵
View Complete 15-Row Calorie (IT)/second/square centimeter/°C to CHU/hour/square foot/°C Table

Real-World Context & Everyday Benchmarks

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To help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for CHU/hour/square foot/°C (CHU/(h·ft²·°C)) and Calorie (IT)/second/square centimeter/°C (cal/(s·cm²·°C)):

CHU/hour/square foot/°C References:

  • British thermal engineering shell-and-tube heat exchanger 150 CHU/(h·ft²·°C)

Calorie (IT)/second/square centimeter/°C References:

  • High-velocity liquid sodium fast reactor heat exchanger core 0.5 cal/(s·cm²·°C)

Tap any benchmark above to automatically calculate its exact equivalent in Calorie (IT)/second/square centimeter/°C.

ISQ Dimension: [M T⁻³ Θ⁻¹] Coherent SI Unit: watt per square meter kelvin (W/(m²·K)) Thermodynamics & Heat Transfer

How to Convert CHU/hour/square foot/°C to Calorie (IT)/second/square centimeter/°C

Converting CHU/hour/square foot/°C (CHU/(h·ft²·°C)) to Calorie (IT)/second/square centimeter/°C (cal/(s·cm²·°C)) is a core calculation in Heat Transfer Coefficient, which quantifies the proportionality constant between the heat flux and the thermodynamic driving temperature difference. 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/°C equals 0.000135623 Calorie (IT)/second/square centimeter/°C, while 1 cal/(s·cm²·°C) equals 7373.370289 CHU/(h·ft²·°C).

Direct Factor1 CHU/(h·ft²·°C) = 0.000135623 cal/(s·cm²·°C)
Inverse Ratio1 cal/(s·cm²·°C) = 7373.370289 CHU/(h·ft²·°C)
Conversion ScaleMetric SI to British Imperial / US Customary Bridge
First-Principles SI Derivation ProofNIST SP 811 / ISO 80000 Compliance

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:

Vtarget=Vsource×(ksource→SIktarget→SI)V_{\text{target}} = V_{\text{source}} \times \left( \frac{k_{\text{source} \to \text{SI}}}{k_{\text{target} \to \text{SI}}} \right)
Universal Dimensional Conversion Law (ISO 80000 / NIST SP 811)
1. Source SI Bridge (ksource):1 CHU/(h·ft²·°C) = 5.678269 watt per square meter kelvin (W/(m²·K))
2. Target SI Bridge (ktarget):1 cal/(s·cm²·°C) = 41867.98188 watt per square meter kelvin (W/(m²·K))
Step-by-step substitution for CHU/hour/square foot/°C → Calorie (IT)/second/square centimeter/°C:V(cal/(s·cm²·°C)) = V(CHU/(h·ft²·°C)) × ( 5.678269 / 41867.98188 ) = V(CHU/(h·ft²·°C)) × 0.000135623
Mathematical FormulaValue in Calorie (IT)/second/square centimeter/°C = Value in CHU/hour/square foot/°C × 0.00013562319Direct computational formula applied for standard conversion.
Worked Example

For an engineering input of 15 CHU/(h·ft²·°C), applying the conversion factor yields exactly 0.00203435 cal/(s·cm²·°C). At larger operational scale, 480 CHU/hour/square foot/°C corresponds to 0.0650991 cal/(s·cm²·°C).

Inverse check: 1 cal/(s·cm²·°C) = 7373.370289 CHU/(h·ft²·°C).

Understanding CHU/hour/square foot/°C and Calorie (IT)/second/square centimeter/°C

CHU/hour/square foot/°C

CHU/(h·ft²·°C)
Imperial / US

A CHU/hour/square foot/°C (CHU/(h·ft²·°C)) is an imperial and US customary unit for heat transfer coefficient.

Applications & Practical Context

In practical heat transfer coefficient terms, a British thermal engineering shell-and-tube heat exchanger equals 150 CHU/(h·ft²·°C).

Physical Setup

A physical magnitude of 1 CHU/(h·ft²·°C) corresponds to 5.678269 W/(m²·K) in standard SI measurement.

Conversion to SI Unit: watt per square meter kelvin (W/(m²·K))
1 CHU/(h·ft²·°C) = 5.678269 W/(m²·K)

Calorie (IT)/second/square centimeter/°C

cal/(s·cm²·°C)
Standard Unit

A Calorie (IT)/second/square centimeter/°C (cal/(s·cm²·°C)) is a recognized unit for heat transfer coefficient.

Applications & Practical Context

In practical heat transfer coefficient terms, a high-velocity liquid sodium fast reactor heat exchanger core equals 0.5 cal/(s·cm²·°C).

Physical Setup

A physical magnitude of 1 cal/(s·cm²·°C) corresponds to 41867.98188 W/(m²·K) in standard SI measurement.

Conversion to SI Unit: watt per square meter kelvin (W/(m²·K))
1 cal/(s·cm²·°C) = 41867.98188 W/(m²·K)

Domain Metrology & Engineering Applications

Governing Law & Equation

Newton's Law of Cooling (q = h · ΔT)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using surface heat flux transducer plates coupled with surface RTD arrays, and wind tunnel boundary layer calorimeters.

Primary Industry Sectors

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.

Institutional Metrology & Standard Authority:

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].

Multi-Variable Engineering Bridge Convective Thermodynamics & Cooling

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
Vector: [W/(m²·K)] × [K] → [W/m²]
Live Calculated Bridge Equivalent:
1 CHU/(h·ft²·°C) at Forced Air Duct Cooling (ΔT = 25 K) = 141.9567 W/m²
Equals 0.142 kW/m² • 45.0001 BTU/(h·ft²) • 0.00339058 cal/(s·cm²)
SI Heat Flux
141.9567
W/m²
Watts per Square Meter
Solar / Combustion
0.142
kW/m²
Kilowatts per Square Meter
US Building Envelope
45.0001
BTU/(h·ft²)
BTU per Hour Sq. Foot
CGS Thermal
0.00339058
cal/(s·cm²)
Calories per Second Sq. Cm
Meteorology
0.2035
Ly/min
Langley per Minute
Furnace Flux
0.00014196
MW/m²
Megawatts per Square Meter
  1. 1. Normalize Input to SI Base Unit (W/(m²·K)):
    h = 1 CHU/(h·ft²·°C) × 5.67826926 = 5.67826926 W/(m²·K)
  2. 2. Apply Engineering Parameter (ΔT):
    Selected condition: Forced Air Duct Cooling (ΔT = 25 K) at ΔT = 25 K
  3. 3. Execute Governing Physical Law in SI Units:
    q" = h × ΔT = (5.67826926 W/(m²·K)) × (25 K) = 141.956732 W/m²
  4. 4. Convert to Standard Engineering Units:
    • W/m²: 141.956732 × 1 = 141.9567 W/m² (Watts per Square Meter) • kW/m²: 141.956732 × 0.001 = 0.142 kW/m² (Kilowatts per Square Meter) • BTU/(h·ft²): 141.956732 × 0.317 = 45.0001 BTU/(h·ft²) (BTU per Hour Sq. Foot) • cal/(s·cm²): 141.956732 × 2.3885 × 10⁻⁵ = 0.00339058 cal/(s·cm²) (Calories per Second Sq. Cm) • Ly/min: 141.956732 × 0.001433 = 0.2035 Ly/min (Langley per Minute) • MW/m²: 141.956732 × 1 × 10⁻⁶ = 0.00014196 MW/m² (Megawatts per Square Meter)
Explore Full Heat Flux Density Converter →
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
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Frequently Asked Questions

There are exactly 0.00013562319 calories (it)/second/square centimeter/°c (cal/(s·cm²·°C)) in 1 chu/hour/square foot/°c (CHU/(h·ft²·°C)). To calculate larger amounts manually, simply multiply your total number of chus/hour/square foot/°c by the conversion multiplier of 0.00013562319.

The mathematical formula to convert chus/hour/square foot/°c to calories (it)/second/square centimeter/°c is: [value] * 0.00013562319 = calories (it)/second/square centimeter/°c. Rather than doing the math manually, you can use our high-precision online calculator to process this exact equation instantly without rounding errors.

To perform the reverse calculation from calories (it)/second/square centimeter/°c back to chus/hour/square foot/°c, you must divide your starting value by 0.00013562319. Our bidirectional tool automatically computes this inverse equation the moment you type into the calorie (it)/second/square centimeter/°c input field.

1 Calorie (IT)/second/square centimeter/°C is larger than 1 CHU/hour/square foot/°C. Specifically, 1 CHU/hour/square foot/°C equals 0.00013562319 calories (it)/second/square centimeter/°c, meaning 1 Calorie (IT)/second/square centimeter/°C is 7373.3703 times larger than 1 CHU/hour/square foot/°C (a difference of 3.87 orders of magnitude). Expressing measurements in chus/hour/square foot/°c requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 CHU/hour/square foot/°C converts to 0.00013562319 calories (it)/second/square centimeter/°c. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.