Calories (thermochemical)/second/sq. centimeter to Btus/hour/sq. foot Converter (cal/(s·cm²) to Btu/(h·ft²))

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Live Conversion • ISO 80000-5:2019 Certified

1 Calorie/second/sq. centimeter = 13272.06651985 Btu/hour/sq. foot

1 cal/(s·cm²) = 13272.06652 Btu/(h·ft²) • 1 Btu/(h·ft²) = 7.534622 × 10⁻⁵ cal/(s·cm²)

Decimals:

Certified Authority Value

13272.06651985

Btu/(h·ft²)

From / Input

cal/(s·cm²)

Swap to Btu/hour/sq. foot to Calorie/second/sq. centimeter

To / Result

Btu/(h·ft²)

Quick Values:

Conversion Formula

To convert Calorie/second/sq. centimeter to Btu/hour/sq. foot, multiply by 13272.06651985

cal/(s·cm²) × 13272.06651985 = Btu/(h·ft²)

Calculation: 1 cal/(s·cm²) × 13272.06651985 = 13272.06651985 Btu/(h·ft²)

Common Calorie/second/sq. centimeter to Btu/hour/sq. foot Calculations

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

Tap any row to calculate

Calorie/second/sq. centimeter to Btu/hour/sq. foot: Primary Direct Table (15 Steps)

Rule: 1 Calorie/second/sq. centimeter is equal to 13272.06652 Btu/(h·ft²) (Btu/hour/sq. foot)

Calorie/second/sq. centimeter to Btu/hour/sq. foot Conversion Reference Table
Conversion & Equivalent Value	Scientific Notation
0.001 cal/(s·cm²) 13.272067 Btu/(h·ft²)	1.327 × 10¹
0.01 cal/(s·cm²) 132.720665 Btu/(h·ft²)	1.327 × 10²
0.1 cal/(s·cm²) 1327.206652 Btu/(h·ft²)	1.327 × 10³
0.5 cal/(s·cm²) 6636.03326 Btu/(h·ft²)	6.636 × 10³
1 cal/(s·cm²) 13272.06652 Btu/(h·ft²)	1.327 × 10⁴
2 cal/(s·cm²) 26544.13304 Btu/(h·ft²)	2.654 × 10⁴
5 cal/(s·cm²) 66360.332599 Btu/(h·ft²)	6.636 × 10⁴
10 cal/(s·cm²) 132720.665198 Btu/(h·ft²)	1.327 × 10⁵
20 cal/(s·cm²) 265441.330397 Btu/(h·ft²)	2.654 × 10⁵
25 cal/(s·cm²) 331801.662996 Btu/(h·ft²)	3.318 × 10⁵
50 cal/(s·cm²) 663603.325992 Btu/(h·ft²)	6.636 × 10⁵
100 cal/(s·cm²) 1327206.651985 Btu/(h·ft²)	1.327 × 10⁶
250 cal/(s·cm²) 3318016.629962 Btu/(h·ft²)	3.318 × 10⁶
500 cal/(s·cm²) 6636033.259925 Btu/(h·ft²)	6.636 × 10⁶
1000 cal/(s·cm²) 1.327207 × 10⁷ Btu/(h·ft²)	1.327 × 10⁷

Btu/hour/sq. foot to Calorie/second/sq. centimeter: Reciprocal Summary

Rule: 1 Btu/hour/sq. foot is equal to 7.534622 × 10⁻⁵ cal/(s·cm²) (Calorie/second/sq. centimeter)

Btu/hour/sq. foot to Calorie/second/sq. centimeter Conversion Reference Table
Reciprocal & Equivalent Value	Scientific Notation
1 Btu/(h·ft²) 7.534622 × 10⁻⁵ cal/(s·cm²)	7.535 × 10⁻⁵
5 Btu/(h·ft²) 0.000376731 cal/(s·cm²)	3.767 × 10⁻⁴
10 Btu/(h·ft²) 0.000753462 cal/(s·cm²)	7.535 × 10⁻⁴
50 Btu/(h·ft²) 0.00376731 cal/(s·cm²)	3.767 × 10⁻³
100 Btu/(h·ft²) 0.00753462 cal/(s·cm²)	7.535 × 10⁻³

View Complete 15-Row Btu/hour/sq. foot to Calorie/second/sq. centimeter 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 Calorie/second/sq. centimeter (cal/(s·cm²)) and Btu/hour/sq. foot (Btu/(h·ft²)):

Calorie/second/sq. centimeter 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)

Btu/hour/sq. foot References:

Solar constant extraterrestrial solar irradiance at top of atmosphere 431.43 Btu/(h·ft²)
Clear sky direct midday summer sunlight striking sea level ground 317 Btu/(h·ft²)
Human body resting thermal metabolic heat radiation to room 15.8499 Btu/(h·ft²)
Overcast winter day diffuse solar irradiance at sea level 31.6998 Btu/(h·ft²)

Tap any benchmark above to automatically calculate its exact equivalent in Btu/hour/sq. foot.

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

How to Convert Calorie/second/sq. centimeter to Btu/hour/sq. foot

Converting Calorie/second/sq. centimeter (cal/(s·cm²)) to Btu/hour/sq. foot (Btu/(h·ft²)) 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 Calorie/second/sq. centimeter equals 13272.06652 Btu/hour/sq. foot, while 1 Btu/(h·ft²) equals 7.534622 × 10⁻⁵ cal/(s·cm²).

Direct Factor1 cal/(s·cm²) = 13272.06652 Btu/(h·ft²)

Inverse Ratio1 Btu/(h·ft²) = 7.534622 × 10⁻⁵ cal/(s·cm²)

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:

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 (k_source):1 cal/(s·cm²) = 41867.98188 watt per square meter (W/m²)

2. Target SI Bridge (k_target):1 Btu/(h·ft²) = 3.154594 watt per square meter (W/m²)

Step-by-step substitution for Calorie/second/sq. centimeter → Btu/hour/sq. foot:V(Btu/(h·ft²)) = V(cal/(s·cm²)) × ( 41867.98188 / 3.154594 ) = V(cal/(s·cm²)) × 13272.06652

Mathematical FormulaValue in Btu/hour/sq. foot = Value in Calorie/second/sq. centimeter × 13272.06651985Direct computational formula applied for standard conversion.

Worked Example

To convert 24 Calorie/second/sq. centimeter (cal/(s·cm²)) to Btu/hour/sq. foot (Btu/(h·ft²)): multiply 24 by 13272.06652 to get 318529.596476 Btu/(h·ft²). At an industrial engineering scale, 2500 cal/(s·cm²) converts to 3.318017 × 10⁷ Btu/(h·ft²).

Inverse check: 1 Btu/(h·ft²) = 7.534622 × 10⁻⁵ cal/(s·cm²).

Understanding Calorie/second/sq. centimeter and Btu/hour/sq. foot

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].

Input Heat Flux Density (q"): cal/(s·cm²)

Select Heat Exchange Area: 8 m²

Governing Law: P = q" × A

Vector: [W/m²] × [m²] → [W]

Live Calculated Bridge Equivalent:

1 cal/(s·cm²) at Industrial Hydronic Radiator Panel (8 m²) = 334943.855 W

Equals 334.9439 kW • 0.334944 MW • 449.1671 hp

SI Power

334943.855

Watts

Grid / Utility

334.9439

Kilowatts

Power Plant

0.334944

Megawatts

Mechanical Rating

449.1671

Horsepower (Mechanical)

Metric Horsepower

455.3969

Metric Horsepower (PS)

HVAC Thermal Rating

1142875.87

BTU/h

BTU per Hour

Step-by-Step Numerical Derivation Proof View Derivation

1. Normalize Input to SI Base Unit (W/m²):
q" = 1 cal/(s·cm²) × 41867.98187954 = 41867.98187954 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 = (41867.98187954 W/m²) × (8 m²) = 334943.855036 W
4. Convert to Standard Engineering Units:
• W: 334943.855036 × 1 = 334943.855 W (Watts) • kW: 334943.855036 × 0.001 = 334.9439 kW (Kilowatts) • MW: 334943.855036 × 1 × 10⁻⁶ = 0.334944 MW (Megawatts) • hp: 334943.855036 × 0.001341 = 449.1671 hp (Horsepower (Mechanical)) • PS: 334943.855036 × 0.00136 = 455.3969 PS (Metric Horsepower (PS)) • BTU/h: 334943.855036 × 3.4121 = 1142875.87 BTU/h (BTU per Hour)

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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

There are exactly 13272.06651985 btus/hour/sq. foot (Btu/(h·ft²)) in 1 calorie/second/sq. centimeter (cal/(s·cm²)). To calculate larger amounts manually, simply multiply your total number of calories (thermochemical)/second/sq. centimeter by the conversion multiplier of 13272.06651985.

The mathematical formula to convert calories (thermochemical)/second/sq. centimeter to btus/hour/sq. foot is: [value] * 13272.06651985 = btus/hour/sq. foot. 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 btus/hour/sq. foot back to calories (thermochemical)/second/sq. centimeter, you must divide your starting value by 13272.06651985. Our bidirectional tool automatically computes this inverse equation the moment you type into the btu/hour/sq. foot input field.

1 Calorie/second/sq. centimeter is larger than 1 Btu/hour/sq. foot. Specifically, 1 Calorie/second/sq. centimeter equals exactly 13272.06651985 btus/hour/sq. foot, making it 13272.0665 times larger (a difference of 4.12 orders of magnitude). Therefore, quantities expressed in btus/hour/sq. foot require a larger numerical value to represent the same physical amount.

Under standard international measurement guidelines, 1 Calorie/second/sq. centimeter converts to 13272.06651985 btus/hour/sq. foot. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.