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

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Live Conversion • ISO 80000-5:2019 Certified
1 CHU/hour/square foot = 0.00013571389 Calorie (th)/second/square centimeter
1 CHU/(h·ft²) = 0.000135714 cal (th)/(s·cm²) • 1 cal (th)/(s·cm²) = 7368.4424 CHU/(h·ft²)
CHU/hour/square foot to Calorie (th)/second/square centimeter: One CHU/hour/square foot is equal to 0.00013571389 Calories (th)/second/square centimeter.
Certified Authority Value
0.00013571
cal (th)/(s·cm²)
Exact: 1 cal (th)/(s·cm²) ≡ 7368.4424 CHU/(h·ft²)
CHU/(h·ft²)
CHU/(h·ft²)
Swap to Calorie (th)/second/square centimeter to CHU/hour/square foot
Swap to Calorie (th)/second/square centimeter to CHU/hour/square foot
cal (th)/(s·cm²)
cal (th)/(s·cm²) 0.00013571389
Quick Values:
Conversion Formula
To convert CHU/hour/square foot to Calorie (th)/second/square centimeter, multiply by 0.00013571389
CHU/(h·ft²) × 0.00013571389 = cal (th)/(s·cm²)

Calculation: 1 CHU/(h·ft²) × 0.00013571389 = 0.00013571389 cal (th)/(s·cm²)

Common CHU/hour/square foot to Calorie (th)/second/square centimeter Calculations

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

Tap any row to calculate
CHU/hour/square foot to Calorie (th)/second/square centimeter: Primary Direct Table (15 Steps)
CHU/hour/square foot to Calorie (th)/second/square centimeter Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 CHU/(h·ft²) 1.357139 × 10⁻⁷ cal (th)/(s·cm²) 1.357 × 10⁻⁷
0.01 CHU/(h·ft²) 1.357139 × 10⁻⁶ cal (th)/(s·cm²) 1.357 × 10⁻⁶
0.1 CHU/(h·ft²) 1.357139 × 10⁻⁵ cal (th)/(s·cm²) 1.357 × 10⁻⁵
0.5 CHU/(h·ft²) 6.785695 × 10⁻⁵ cal (th)/(s·cm²) 6.786 × 10⁻⁵
1 CHU/(h·ft²) 0.000135714 cal (th)/(s·cm²) 1.357 × 10⁻⁴
2 CHU/(h·ft²) 0.000271428 cal (th)/(s·cm²) 2.714 × 10⁻⁴
5 CHU/(h·ft²) 0.000678569 cal (th)/(s·cm²) 6.786 × 10⁻⁴
10 CHU/(h·ft²) 0.00135714 cal (th)/(s·cm²) 1.357 × 10⁻³
20 CHU/(h·ft²) 0.00271428 cal (th)/(s·cm²) 2.714 × 10⁻³
25 CHU/(h·ft²) 0.00339285 cal (th)/(s·cm²) 3.393 × 10⁻³
50 CHU/(h·ft²) 0.00678569 cal (th)/(s·cm²) 6.786 × 10⁻³
100 CHU/(h·ft²) 0.0135714 cal (th)/(s·cm²) 1.357 × 10⁻²
250 CHU/(h·ft²) 0.0339285 cal (th)/(s·cm²) 3.393 × 10⁻²
500 CHU/(h·ft²) 0.0678569 cal (th)/(s·cm²) 6.786 × 10⁻²
1000 CHU/(h·ft²) 0.135714 cal (th)/(s·cm²) 1.357 × 10⁻¹
Calorie (th)/second/square centimeter to CHU/hour/square foot: Reciprocal Summary
Calorie (th)/second/square centimeter to CHU/hour/square foot Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 cal (th)/(s·cm²) 7368.4424 CHU/(h·ft²) 7.368 × 10³
5 cal (th)/(s·cm²) 36842.212 CHU/(h·ft²) 3.684 × 10⁴
10 cal (th)/(s·cm²) 73684.424 CHU/(h·ft²) 7.368 × 10⁴
50 cal (th)/(s·cm²) 368422.12 CHU/(h·ft²) 3.684 × 10⁵
100 cal (th)/(s·cm²) 736844.24 CHU/(h·ft²) 7.368 × 10⁵
View Complete 15-Row Calorie (th)/second/square centimeter to CHU/hour/square foot 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 (CHU/(h·ft²)) and Calorie (th)/second/square centimeter (cal (th)/(s·cm²)):

CHU/hour/square foot References:

  • British historical boiler combustion heat transfer flux 150 CHU/(h·ft²)

Calorie (th)/second/square centimeter References:

  • Propane flame direct impingement surface heat flux 2.5 cal (th)/(s·cm²)

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

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

How to Convert CHU/hour/square foot to Calorie (th)/second/square centimeter

Converting CHU/hour/square foot (CHU/(h·ft²)) to Calorie (th)/second/square centimeter (cal (th)/(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. 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 0.000135714 Calorie (th)/second/square centimeter, while 1 cal (th)/(s·cm²) equals 7368.4424 CHU/(h·ft²).

Direct Factor1 CHU/(h·ft²) = 0.000135714 cal (th)/(s·cm²)
Inverse Ratio1 cal (th)/(s·cm²) = 7368.4424 CHU/(h·ft²)
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 (W/m²)) 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) = 5.678269 watt per square meter (W/m²)
2. Target SI Bridge (ktarget):1 cal (th)/(s·cm²) = 41840 watt per square meter (W/m²)
Step-by-step substitution for CHU/hour/square foot → Calorie (th)/second/square centimeter:V(cal (th)/(s·cm²)) = V(CHU/(h·ft²)) × ( 5.678269 / 41840 ) = V(CHU/(h·ft²)) × 0.000135714
Mathematical FormulaValue in Calorie (th)/second/square centimeter = Value in CHU/hour/square foot × 0.00013571389Direct computational formula applied for standard conversion.
Worked Example

To convert 120 CHU/hour/square foot (CHU/(h·ft²)) to Calorie (th)/second/square centimeter (cal (th)/(s·cm²)): multiply 120 by 0.000135714 to get 0.0162857 cal (th)/(s·cm²). At an industrial engineering scale, 5000 CHU/(h·ft²) converts to 0.678569 cal (th)/(s·cm²).

Inverse check: 1 cal (th)/(s·cm²) = 7368.4424 CHU/(h·ft²).

Understanding CHU/hour/square foot and Calorie (th)/second/square centimeter

CHU/hour/square foot

CHU/(h·ft²)
Imperial / US

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).

Physical Setup

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

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

Calorie (th)/second/square centimeter

cal (th)/(s·cm²)
Standard Unit

A Calorie (th)/second/square centimeter (cal (th)/(s·cm²)) is a recognized unit for heat flux density.

Applications & Practical Context

In practical heat flux density terms, a propane flame direct impingement surface heat flux equals 2.5 cal (th)/(s·cm²).

Physical Setup

A physical magnitude of 1 cal (th)/(s·cm²) corresponds to 41840 W/m² in standard SI measurement.

Conversion to SI Unit: watt per square meter (W/m²)
1 cal (th)/(s·cm²) = 41840 W/m²

Domain Metrology & Engineering Applications

Governing Law & Equation

Thermal Transmission Flux (q = Q̇ / A)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using Schmidt-Boelter heat flux gauges, differential thermopile foil transducers, and calibrated Gardon radiant gauges.

Primary Industry Sectors

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.

Institutional Metrology & Standard Authority:

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].

Multi-Variable Engineering Bridge Thermal Radiation & Power Dissipation

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
Vector: [W/m²] × [m²] → [W]
Live Calculated Bridge Equivalent:
1 CHU/(h·ft²) at Industrial Hydronic Radiator Panel (8 m²) = 45.4262 W
Equals 0.04543 kW • 4.542615 × 10⁻⁵ MW • 0.06092 hp
SI Power
45.4262
W
Watts
Grid / Utility
0.04543
kW
Kilowatts
Power Plant
4.542615 × 10⁻⁵
MW
Megawatts
Mechanical Rating
0.06092
hp
Horsepower (Mechanical)
Metric Horsepower
0.06176
PS
Metric Horsepower (PS)
HVAC Thermal Rating
155
BTU/h
BTU per Hour
  1. 1. Normalize Input to SI Base Unit (W/m²):
    q" = 1 CHU/(h·ft²) × 5.67826926 = 5.67826926 W/m²
  2. 2. Apply Engineering Parameter (A):
    Selected condition: Industrial Hydronic Radiator Panel (8 m²) at A = 8 m²
  3. 3. Execute Governing Physical Law in SI Units:
    P = q" × A = (5.67826926 W/m²) × (8 m²) = 45.426154 W
  4. 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)
Explore Full Power Converter →
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
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Frequently Asked Questions

There are exactly 0.00013571389 calories (th)/second/square centimeter (cal (th)/(s·cm²)) in 1 chu/hour/square foot (CHU/(h·ft²)). To calculate larger amounts manually, simply multiply your total number of chus/hour/square foot by the conversion multiplier of 0.00013571389.

The mathematical formula to convert chus/hour/square foot to calories (th)/second/square centimeter is: [value] * 0.00013571389 = calories (th)/second/square centimeter. 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 (th)/second/square centimeter back to chus/hour/square foot, you must divide your starting value by 0.00013571389. Our bidirectional tool automatically computes this inverse equation the moment you type into the calorie (th)/second/square centimeter input field.

1 Calorie (th)/second/square centimeter is larger than 1 CHU/hour/square foot. Specifically, 1 CHU/hour/square foot equals 0.00013571389 calories (th)/second/square centimeter, meaning 1 Calorie (th)/second/square centimeter is 7368.4424 times larger than 1 CHU/hour/square foot (a difference of 3.87 orders of magnitude). Expressing measurements in chus/hour/square foot requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 CHU/hour/square foot converts to 0.00013571389 calories (th)/second/square centimeter. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.