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Chus/hour/square foot to Horsepowers (metric)/square foot Converter (CHU/(h·ft²) to hp (metric)/ft²)

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Live Conversion • ISO 80000-5:2019 Certified
1 CHU/hour/square foot = 0.00071723912 Horsepower (metric)/square foot
1 CHU/(h·ft²) = 0.000717239 hp (metric)/ft² • 1 hp (metric)/ft² = 1394.23516 CHU/(h·ft²)
CHU/hour/square foot to Horsepower (metric)/square foot: One CHU/hour/square foot is equal to 0.00071723912 Horsepowers (metric)/square foot.
Certified Authority Value
0.00071724
hp (metric)/ft²
Exact: 1 hp (metric)/ft² ≡ 1394.2351602542 CHU/(h·ft²)
CHU/(h·ft²)
CHU/(h·ft²)
Swap to Horsepower (metric)/square foot to CHU/hour/square foot
Swap to Horsepower (metric)/square foot to CHU/hour/square foot
hp (metric)/ft²
hp (metric)/ft² 0.00071723912
Quick Values:
Conversion Formula
To convert CHU/hour/square foot to Horsepower (metric)/square foot, multiply by 0.00071723912
CHU/(h·ft²) × 0.00071723912 = hp (metric)/ft²

Calculation: 1 CHU/(h·ft²) × 0.00071723912 = 0.00071723912 hp (metric)/ft²

Common CHU/hour/square foot to Horsepower (metric)/square foot Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between CHU/hour/square foot (CHU/(h·ft²)) and Horsepower (metric)/square foot (hp (metric)/ft²).

Tap any row to calculate
CHU/hour/square foot to Horsepower (metric)/square foot: Primary Direct Table (15 Steps)
CHU/hour/square foot to Horsepower (metric)/square foot Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 CHU/(h·ft²) 7.172391 × 10⁻⁷ hp (metric)/ft² 7.172 × 10⁻⁷
0.01 CHU/(h·ft²) 7.172391 × 10⁻⁶ hp (metric)/ft² 7.172 × 10⁻⁶
0.1 CHU/(h·ft²) 7.172391 × 10⁻⁵ hp (metric)/ft² 7.172 × 10⁻⁵
0.5 CHU/(h·ft²) 0.00035862 hp (metric)/ft² 3.586 × 10⁻⁴
1 CHU/(h·ft²) 0.000717239 hp (metric)/ft² 7.172 × 10⁻⁴
2 CHU/(h·ft²) 0.00143448 hp (metric)/ft² 1.434 × 10⁻³
5 CHU/(h·ft²) 0.0035862 hp (metric)/ft² 3.586 × 10⁻³
10 CHU/(h·ft²) 0.00717239 hp (metric)/ft² 7.172 × 10⁻³
20 CHU/(h·ft²) 0.0143448 hp (metric)/ft² 1.434 × 10⁻²
25 CHU/(h·ft²) 0.017931 hp (metric)/ft² 1.793 × 10⁻²
50 CHU/(h·ft²) 0.035862 hp (metric)/ft² 3.586 × 10⁻²
100 CHU/(h·ft²) 0.0717239 hp (metric)/ft² 7.172 × 10⁻²
250 CHU/(h·ft²) 0.17931 hp (metric)/ft² 1.793 × 10⁻¹
500 CHU/(h·ft²) 0.35862 hp (metric)/ft² 3.586 × 10⁻¹
1000 CHU/(h·ft²) 0.717239 hp (metric)/ft² 7.172 × 10⁻¹
Horsepower (metric)/square foot to CHU/hour/square foot: Reciprocal Summary
Horsepower (metric)/square foot to CHU/hour/square foot Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 hp (metric)/ft² 1394.23516 CHU/(h·ft²) 1.394 × 10³
5 hp (metric)/ft² 6971.175801 CHU/(h·ft²) 6.971 × 10³
10 hp (metric)/ft² 13942.351603 CHU/(h·ft²) 1.394 × 10⁴
50 hp (metric)/ft² 69711.758013 CHU/(h·ft²) 6.971 × 10⁴
100 hp (metric)/ft² 139423.516025 CHU/(h·ft²) 1.394 × 10⁵
View Complete 15-Row Horsepower (metric)/square foot 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 Horsepower (metric)/square foot (hp (metric)/ft²):

CHU/hour/square foot References:

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

Horsepower (metric)/square foot References:

  • High-power internal combustion engine piston crown heat flux 12 hp (metric)/ft²

Tap any benchmark above to automatically calculate its exact equivalent in Horsepower (metric)/square foot.

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 Horsepower (metric)/square foot

Converting CHU/hour/square foot (CHU/(h·ft²)) to Horsepower (metric)/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 CHU/hour/square foot equals 0.000717239 Horsepower (metric)/square foot, while 1 hp (metric)/ft² equals 1394.23516 CHU/(h·ft²).

Direct Factor1 CHU/(h·ft²) = 0.000717239 hp (metric)/ft²
Inverse Ratio1 hp (metric)/ft² = 1394.23516 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 hp (metric)/ft² = 7916.842657 watt per square meter (W/m²)
Step-by-step substitution for CHU/hour/square foot → Horsepower (metric)/square foot:V(hp (metric)/ft²) = V(CHU/(h·ft²)) × ( 5.678269 / 7916.842657 ) = V(CHU/(h·ft²)) × 0.000717239
Mathematical FormulaValue in Horsepower (metric)/square foot = Value in CHU/hour/square foot × 0.00071723912Direct computational formula applied for standard conversion.
Worked Example

Evaluating an input of 12 CHU/hour/square foot (CHU/(h·ft²)) produces 0.00860687 Horsepower (metric)/square foot (hp (metric)/ft²). In heavy-duty utility and industrial workloads, 100 CHU/(h·ft²) equals 0.0717239 hp (metric)/ft².

Inverse check: 1 hp (metric)/ft² = 1394.23516 CHU/(h·ft²).

Understanding CHU/hour/square foot and Horsepower (metric)/square foot

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

Horsepower (metric)/square foot

hp (metric)/ft²
Imperial / US

A Horsepower (metric)/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 high-power internal combustion engine piston crown heat flux equals 12 hp (metric)/ft².

Physical Setup

A physical magnitude of 1 hp (metric)/ft² corresponds to 7916.842657 W/m² in standard SI measurement.

Conversion to SI Unit: watt per square meter (W/m²)
1 hp (metric)/ft² = 7916.842657 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 0.00071723912 horsepowers (metric)/square foot (hp (metric)/ft²) 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 0.00071723912.

The mathematical formula to convert chus/hour/square foot to horsepowers (metric)/square foot is: [value] * 0.00071723912 = horsepowers (metric)/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 horsepowers (metric)/square foot back to chus/hour/square foot, you must divide your starting value by 0.00071723912. Our bidirectional tool automatically computes this inverse equation the moment you type into the horsepower (metric)/square foot input field.

1 Horsepower (metric)/square foot is larger than 1 CHU/hour/square foot. Specifically, 1 CHU/hour/square foot equals 0.00071723912 horsepowers (metric)/square foot, meaning 1 Horsepower (metric)/square foot is 1394.2352 times larger than 1 CHU/hour/square foot (a difference of 3.14 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 0.00071723912 horsepowers (metric)/square foot. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.