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Calories (th)/hour/cm² to Metric Horsepowers/square foot Converter (cal (th)/(h·cm²) to hp (metric)/ft²)

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Live Conversion • ISO 80000-5:2019 Certified
1 Calorie (th)/hour/cm² = 0.0014680386 Metric horsepower/square foot
1 cal (th)/(h·cm²) = 0.00146804 hp (metric)/ft² • 1 hp (metric)/ft² = 681.181004 cal (th)/(h·cm²)
Calorie (th)/hour/cm² to Metric horsepower/square foot: One Calorie (th)/hour/cm² is equal to 0.0014680386 Metric Horsepowers/square foot.
Certified Authority Value
0.00146804
hp (metric)/ft²
Exact: 1 hp (metric)/ft² ≡ 681.1810038241 cal (th)/(h·cm²)
cal (th)/(h·cm²)
cal (th)/(h·cm²)
Swap to Metric horsepower/square foot to Calorie (th)/hour/cm²
Swap to Metric horsepower/square foot to Calorie (th)/hour/cm²
hp (metric)/ft²
hp (metric)/ft² 0.0014680386
Quick Values:
Conversion Formula
To convert Calorie (th)/hour/cm² to Metric horsepower/square foot, multiply by 0.0014680386
cal (th)/(h·cm²) × 0.0014680386 = hp (metric)/ft²

Calculation: 1 cal (th)/(h·cm²) × 0.0014680386 = 0.0014680386 hp (metric)/ft²

Common Calorie (th)/hour/cm² to Metric horsepower/square foot Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Calorie (th)/hour/cm² (cal (th)/(h·cm²)) and Metric horsepower/square foot (hp (metric)/ft²).

Tap any row to calculate
Calorie (th)/hour/cm² to Metric horsepower/square foot: Primary Direct Table (15 Steps)
Calorie (th)/hour/cm² to Metric horsepower/square foot Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 cal (th)/(h·cm²) 1.468039 × 10⁻⁶ hp (metric)/ft² 1.468 × 10⁻⁶
0.01 cal (th)/(h·cm²) 1.468039 × 10⁻⁵ hp (metric)/ft² 1.468 × 10⁻⁵
0.1 cal (th)/(h·cm²) 0.000146804 hp (metric)/ft² 1.468 × 10⁻⁴
0.5 cal (th)/(h·cm²) 0.000734019 hp (metric)/ft² 7.34 × 10⁻⁴
1 cal (th)/(h·cm²) 0.00146804 hp (metric)/ft² 1.468 × 10⁻³
2 cal (th)/(h·cm²) 0.00293608 hp (metric)/ft² 2.936 × 10⁻³
5 cal (th)/(h·cm²) 0.00734019 hp (metric)/ft² 7.34 × 10⁻³
10 cal (th)/(h·cm²) 0.0146804 hp (metric)/ft² 1.468 × 10⁻²
20 cal (th)/(h·cm²) 0.0293608 hp (metric)/ft² 2.936 × 10⁻²
25 cal (th)/(h·cm²) 0.036701 hp (metric)/ft² 3.67 × 10⁻²
50 cal (th)/(h·cm²) 0.0734019 hp (metric)/ft² 7.34 × 10⁻²
100 cal (th)/(h·cm²) 0.146804 hp (metric)/ft² 1.468 × 10⁻¹
250 cal (th)/(h·cm²) 0.36701 hp (metric)/ft² 3.67 × 10⁻¹
500 cal (th)/(h·cm²) 0.734019 hp (metric)/ft² 7.34 × 10⁻¹
1000 cal (th)/(h·cm²) 1.468039 hp (metric)/ft² 1.468 × 10⁰
Metric horsepower/square foot to Calorie (th)/hour/cm²: Reciprocal Summary
Metric horsepower/square foot to Calorie (th)/hour/cm² Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 hp (metric)/ft² 681.181004 cal (th)/(h·cm²) 6.812 × 10²
5 hp (metric)/ft² 3405.905019 cal (th)/(h·cm²) 3.406 × 10³
10 hp (metric)/ft² 6811.810038 cal (th)/(h·cm²) 6.812 × 10³
50 hp (metric)/ft² 34059.050191 cal (th)/(h·cm²) 3.406 × 10⁴
100 hp (metric)/ft² 68118.100382 cal (th)/(h·cm²) 6.812 × 10⁴
View Complete 15-Row Metric horsepower/square foot to Calorie (th)/hour/cm² 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 (th)/hour/cm² (cal (th)/(h·cm²)) and Metric horsepower/square foot (hp (metric)/ft²):

Calorie (th)/hour/cm² References:

  • Solar constant extraterrestrial solar irradiance at top of atmosphere 117.1 cal (th)/(h·cm²)
  • Clear sky direct midday summer sunlight striking sea level ground 86.0421 cal (th)/(h·cm²)
  • Human body resting thermal metabolic heat radiation to room 4.3021 cal (th)/(h·cm²)
  • Overcast winter day diffuse solar irradiance at sea level 8.6042 cal (th)/(h·cm²)

Metric horsepower/square foot References:

  • Solar constant extraterrestrial solar irradiance at top of atmosphere 0.171912 hp (metric)/ft²
  • Clear sky direct midday summer sunlight striking sea level ground 0.126313 hp (metric)/ft²
  • Human body resting thermal metabolic heat radiation to room 0.006316 hp (metric)/ft²
  • Overcast winter day diffuse solar irradiance at sea level 0.012631 hp (metric)/ft²

Tap any benchmark above to automatically calculate its exact equivalent in Metric horsepower/square foot.

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

How to Convert Calorie (th)/hour/cm² to Metric horsepower/square foot

Converting Calorie (th)/hour/cm² (cal (th)/(h·cm²)) to Metric horsepower/square foot (hp (metric)/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 (th)/hour/cm² equals 0.00146804 Metric horsepower/square foot, while 1 hp (metric)/ft² equals 681.181004 cal (th)/(h·cm²).

Direct Factor1 cal (th)/(h·cm²) = 0.00146804 hp (metric)/ft²
Inverse Ratio1 hp (metric)/ft² = 681.181004 cal (th)/(h·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:

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 cal (th)/(h·cm²) = 11.622222 watt per square meter (W/m²)
2. Target SI Bridge (ktarget):1 hp (metric)/ft² = 7916.837 watt per square meter (W/m²)
Step-by-step substitution for Calorie (th)/hour/cm² → Metric horsepower/square foot:V(hp (metric)/ft²) = V(cal (th)/(h·cm²)) × ( 11.622222 / 7916.837 ) = V(cal (th)/(h·cm²)) × 0.00146804
Mathematical FormulaValue in Metric horsepower/square foot = Value in Calorie (th)/hour/cm² × 0.0014680386Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 2.5 Calorie (th)/hour/cm² (cal (th)/(h·cm²)) produces 0.0036701 Metric horsepower/square foot (hp (metric)/ft²). In heavy-duty utility and industrial workloads, 240 cal (th)/(h·cm²) equals 0.352329 hp (metric)/ft².

Inverse check: 1 hp (metric)/ft² = 681.181004 cal (th)/(h·cm²).

Understanding Calorie (th)/hour/cm² and Metric horsepower/square foot

Calorie (th)/hour/cm²

cal (th)/(h·cm²)
Standard Unit

A Calorie (th)/hour/cm² (cal (th)/(h·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 117.1 cal (th)/(h·cm²), a clear sky direct midday summer sunlight striking sea level ground equals 86.0421 cal (th)/(h·cm²), a human body resting thermal metabolic heat radiation to room equals 4.3021 cal (th)/(h·cm²).

Physical Setup

A physical magnitude of 1 cal (th)/(h·cm²) corresponds to 11.622222 W/m² in standard SI measurement.

Conversion to SI Unit: watt per square meter (W/m²)
1 cal (th)/(h·cm²) = 11.622222 W/m²

Metric horsepower/square foot

hp (metric)/ft²
Imperial / US

A Metric horsepower/square foot (hp (metric)/ft²) is an imperial and US customary 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 0.171912 hp (metric)/ft², a clear sky direct midday summer sunlight striking sea level ground equals 0.126313 hp (metric)/ft², a human body resting thermal metabolic heat radiation to room equals 0.006316 hp (metric)/ft².

Physical Setup

A physical magnitude of 1 hp (metric)/ft² corresponds to 7916.837 W/m² in standard SI measurement.

Conversion to SI Unit: watt per square meter (W/m²)
1 hp (metric)/ft² = 7916.837 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 cal (th)/(h·cm²) at Industrial Hydronic Radiator Panel (8 m²) = 92.9778 W
Equals 0.09298 kW • 9.297778 × 10⁻⁵ MW • 0.1247 hp
SI Power
92.9778
W
Watts
Grid / Utility
0.09298
kW
Kilowatts
Power Plant
9.297778 × 10⁻⁵
MW
Megawatts
Mechanical Rating
0.1247
hp
Horsepower (Mechanical)
Metric Horsepower
0.1264
PS
Metric Horsepower (PS)
HVAC Thermal Rating
317.25
BTU/h
BTU per Hour
  1. 1. Normalize Input to SI Base Unit (W/m²):
    q" = 1 cal (th)/(h·cm²) × 11.62222222 = 11.62222222 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 = (11.62222222 W/m²) × (8 m²) = 92.977778 W
  4. 4. Convert to Standard Engineering Units:
    • W: 92.977778 × 1 = 92.9778 W (Watts) • kW: 92.977778 × 0.001 = 0.09298 kW (Kilowatts) • MW: 92.977778 × 1 × 10⁻⁶ = 9.297778 × 10⁻⁵ MW (Megawatts) • hp: 92.977778 × 0.001341 = 0.1247 hp (Horsepower (Mechanical)) • PS: 92.977778 × 0.00136 = 0.1264 PS (Metric Horsepower (PS)) • BTU/h: 92.977778 × 3.4121 = 317.25 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 0.0014680386 metric horsepowers/square foot (hp (metric)/ft²) in 1 calorie (th)/hour/cm² (cal (th)/(h·cm²)). To calculate larger amounts manually, simply multiply your total number of calories (th)/hour/cm² by the conversion multiplier of 0.0014680386.

The mathematical formula to convert calories (th)/hour/cm² to metric horsepowers/square foot is: [value] * 0.0014680386 = metric horsepowers/square 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 metric horsepowers/square foot back to calories (th)/hour/cm², you must divide your starting value by 0.0014680386. Our bidirectional tool automatically computes this inverse equation the moment you type into the metric horsepower/square foot input field.

1 Metric horsepower/square foot is larger than 1 Calorie (th)/hour/cm². Specifically, 1 Calorie (th)/hour/cm² equals 0.0014680386 metric horsepowers/square foot, meaning 1 Metric horsepower/square foot is 681.181 times larger than 1 Calorie (th)/hour/cm² (a difference of 2.83 orders of magnitude). Expressing measurements in calories (th)/hour/cm² requires a larger numerical value to represent the equivalent physical magnitude.

Under standard international measurement guidelines, 1 Calorie (th)/hour/cm² converts to 0.0014680386 metric horsepowers/square foot. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.