Pounds/foot/hour to Grams/centimeter/second Converter (lb/(ft·h) to g/(cm·s))
lb/(ft·h) × 0.0041337887 = g/(cm·s)
Calculation: 1 lb/(ft·h) × 0.0041337887 = 0.0041337887 g/(cm·s)
Common Pound/foot/hour to Gram/centimeter/second Calculations
Quick-lookup reference table showing calculated equivalents for standard increments between Pound/foot/hour (lb/(ft·h)) and Gram/centimeter/second (g/(cm·s)).
| Conversion & Equivalent Value | Scientific Notation |
|---|---|
| 0.001 lb/(ft·h) 4.133789 × 10⁻⁶ g/(cm·s) | 4.134 × 10⁻⁶ |
| 0.01 lb/(ft·h) 4.133789 × 10⁻⁵ g/(cm·s) | 4.134 × 10⁻⁵ |
| 0.1 lb/(ft·h) 0.000413379 g/(cm·s) | 4.134 × 10⁻⁴ |
| 0.5 lb/(ft·h) 0.00206689 g/(cm·s) | 2.067 × 10⁻³ |
| 1 lb/(ft·h) 0.00413379 g/(cm·s) | 4.134 × 10⁻³ |
| 2 lb/(ft·h) 0.00826758 g/(cm·s) | 8.268 × 10⁻³ |
| 5 lb/(ft·h) 0.0206689 g/(cm·s) | 2.067 × 10⁻² |
| 10 lb/(ft·h) 0.0413379 g/(cm·s) | 4.134 × 10⁻² |
| 20 lb/(ft·h) 0.0826758 g/(cm·s) | 8.268 × 10⁻² |
| 25 lb/(ft·h) 0.103345 g/(cm·s) | 1.033 × 10⁻¹ |
| 50 lb/(ft·h) 0.206689 g/(cm·s) | 2.067 × 10⁻¹ |
| 100 lb/(ft·h) 0.413379 g/(cm·s) | 4.134 × 10⁻¹ |
| 250 lb/(ft·h) 1.033447 g/(cm·s) | 1.033 × 10⁰ |
| 500 lb/(ft·h) 2.066894 g/(cm·s) | 2.067 × 10⁰ |
| 1000 lb/(ft·h) 4.133789 g/(cm·s) | 4.134 × 10⁰ |
| Reciprocal & Equivalent Value | Scientific Notation |
|---|---|
| 1 g/(cm·s) 241.908831 lb/(ft·h) | 2.419 × 10² |
| 5 g/(cm·s) 1209.544155 lb/(ft·h) | 1.21 × 10³ |
| 10 g/(cm·s) 2419.088311 lb/(ft·h) | 2.419 × 10³ |
| 50 g/(cm·s) 12095.441553 lb/(ft·h) | 1.21 × 10⁴ |
| 100 g/(cm·s) 24190.883105 lb/(ft·h) | 2.419 × 10⁴ |
Real-World Context & Everyday Benchmarks
Tap to load into converterTo help contextualize these units in everyday life, science, and engineering, here are verified real-world reference points for Pound/foot/hour (lb/(ft·h)) and Gram/centimeter/second (g/(cm·s)):
Pound/foot/hour References:
- Chemical engineering pipe fluid friction calculations for oil 200 lb/(ft·h)
Gram/centimeter/second References:
- Equivalent to poise: Liquid cooking oil dynamic viscosity 0.8 g/(cm·s)
How to Convert Pound/foot/hour to Gram/centimeter/second
Converting Pound/foot/hour (lb/(ft·h)) to Gram/centimeter/second (g/(cm·s)) is a core calculation in Dynamic Viscosity, which quantifies a fluid's internal tangential resistance to shear deformation and laminar flow. 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 Pound/foot/hour equals 0.00413379 Gram/centimeter/second, while 1 g/(cm·s) equals 241.908831 lb/(ft·h).
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 (pascal second (Pa·s)) without arbitrary rounding:
1 lb/(ft·h) = 0.000413379 pascal second (Pa·s)1 g/(cm·s) = 0.1 pascal second (Pa·s)V(g/(cm·s)) = V(lb/(ft·h)) × ( 0.000413379 / 0.1 ) = V(lb/(ft·h)) × 0.00413379Value in Gram/centimeter/second = Value in Pound/foot/hour × 0.0041337887Direct computational formula applied for standard conversion.To convert 120 Pound/foot/hour (lb/(ft·h)) to Gram/centimeter/second (g/(cm·s)): multiply 120 by 0.00413379 to get 0.496055 g/(cm·s). At an industrial engineering scale, 1000 lb/(ft·h) converts to 4.133789 g/(cm·s).
Inverse check: 1 g/(cm·s) = 241.908831 lb/(ft·h).Understanding Pound/foot/hour and Gram/centimeter/second
Pound/foot/hour
lb/(ft·h)A Pound/foot/hour (lb/(ft·h)) is an imperial and US customary unit for dynamic viscosity.
Applications & Practical Context
In practical viscosity dynamic terms, a chemical engineering pipe fluid friction calculations for oil equals 200 lb/(ft·h).
A physical magnitude of 1 lb/(ft·h) corresponds to 0.000413379 Pa·s in standard SI measurement.
1 lb/(ft·h) = 0.000413379 Pa·sGram/centimeter/second
g/(cm·s)A Gram/centimeter/second (g/(cm·s)) is a recognized unit for dynamic viscosity.
Applications & Practical Context
In practical viscosity dynamic terms, a equivalent to poise: Liquid cooking oil dynamic viscosity equals 0.8 g/(cm·s).
A physical magnitude of 1 g/(cm·s) corresponds to 0.1 Pa·s in standard SI measurement.
1 g/(cm·s) = 0.1 Pa·sDomain Metrology & Engineering Applications
Newton's Law of Viscosity (τ = μ · du/dy)
Rigorously quantified in laboratory and field settings using rotational cone-and-plate rheometers, falling ball Höppler viscometers, and vibrating wire viscometers.
Applied across lubricating oil tribology (SAE engine grades), polymer extrusion, paint and coating formulation, and pharmaceutical liquid processing under international metrology standard ISO 80000-4:2019, ASTM D445.
Formulas, conversion coefficients, and base definitions on this page strictly adhere to the ISO 80000-4:2019, ASTM D445 and the BIPM SI Brochure (9th Edition). Governed by Newton's Law of Viscosity (τ = μ · du/dy) under ISO 80000 dimensional vector [M L⁻¹ T⁻¹].
Dynamic to Kinematic Viscosity Bridge (m²/s • cSt • Stokes • ft²/s • in²/s • mm²/s)
Calculate fluid kinematic momentum diffusivity ν = μ / ρ across process liquids, bridging dynamic viscosity [M L⁻¹ T⁻¹] and kinematic viscosity [L² T⁻¹] via metrological density (ρ).
ν = μ / ρ
[Pa·s] ÷ [kg/m³] → [m²/s]
-
1. Normalize Input to SI Base Unit (Pa·s):
μ = 1 lb/(ft·h) × 0.00041338 = 0.00041338 Pa·s -
2. Apply Engineering Parameter (ρ):
Selected condition: Engine Lubricating Oil (SAE 30, 20°C) at ρ = 885 kg/m³ -
3. Execute Governing Physical Law in SI Units:
ν = μ / ρ = (0.00041338 Pa·s) ÷ (885 kg/m³) = 4.670948 × 10⁻⁷ m²/s -
4. Convert to Standard Engineering Units:
• m²/s: 4.670948 × 10⁻⁷ × 1 = 4.670948 × 10⁻⁷ m²/s (Square Meters per Second) • cSt: 4.670948 × 10⁻⁷ × 1000000 = 0.4671 cSt (Centistokes) • St: 4.670948 × 10⁻⁷ × 10000 = 0.004671 St (Stokes) • ft²/s: 4.670948 × 10⁻⁷ × 10.7639 = 5.0278 × 10⁻⁶ ft²/s (Square Feet per Second) • in²/s: 4.670948 × 10⁻⁷ × 1550.0031 = 0.00072 in²/s (Square Inches per Second) • mm²/s: 4.670948 × 10⁻⁷ × 1000000 = 0.4671 mm²/s (Square Millimeters per Second)
| Engineering Substance / Operating Standard | Parameter Value (kg/m³) | Reference State / Condition | Typical Industrial & Engineering Application |
|---|---|---|---|
| Water (20°C / Standard Ambient) | 998.2 |
998.2 kg/m³ | Hydronic HVAC & cooling water (NIST) |
| Engine Lubricating Oil (SAE 30, 20°C) | 885 |
885.0 kg/m³ | Crankcase lubrication & turbo bearing feeds |
| Hydraulic Oil (ISO VG 46, 20°C) | 870 |
870.0 kg/m³ | Industrial hydraulic systems & servo controls |
| Heavy Fuel Oil (Bunker C / HFO, 50°C) | 920 |
920.0 kg/m³ | Marine diesel engines & power plant burners |
| Pure Glycerol (100% C₃H₈O₃, 20°C) | 1260 |
1,260.0 kg/m³ | High-viscosity metrology reference fluid |
Frequently Asked Questions
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