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Poise to Attopoises Converter (P to aP)

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Live Conversion • ISO 80000-4:2019 Certified
1 Poise = 1 × 10¹⁸ Attopoise
1 P = 1 × 10¹⁸ aP • 1 aP = 1 × 10⁻¹⁸ P
Poise to Attopoise: One Poise is equal to 1 × 10¹⁸ Attopoises.
Certified Authority Value
1000000000000000000.00000000
aP
Exact: 1 aP ≡ 1 × 10⁻¹⁸ P
P
P
Swap to Attopoise to Poise
Swap to Attopoise to Poise
aP
aP 1 × 10¹⁸
Quick Values:
Conversion Formula
To convert Poise to Attopoise, multiply by 1 × 10¹⁸
P × 1 × 10¹⁸ = aP

Calculation: 1 P × 1 × 10¹⁸ = 1 × 10¹⁸ aP

Common Poise to Attopoise Calculations

Quick-lookup reference table showing calculated equivalents for standard increments between Poise (P) and Attopoise (aP).

Tap any row to calculate
Poise to Attopoise: Primary Direct Table (15 Steps)
Poise to Attopoise Conversion Reference Table
Conversion & Equivalent Value Scientific Notation
0.001 P 1 × 10¹⁵ aP 1 × 10¹⁵
0.01 P 1 × 10¹⁶ aP 1 × 10¹⁶
0.1 P 1 × 10¹⁷ aP 1 × 10¹⁷
0.5 P 5 × 10¹⁷ aP 5 × 10¹⁷
1 P 1 × 10¹⁸ aP 1 × 10¹⁸
2 P 2 × 10¹⁸ aP 2 × 10¹⁸
5 P 5 × 10¹⁸ aP 5 × 10¹⁸
10 P 1 × 10¹⁹ aP 1 × 10¹⁹
20 P 2 × 10¹⁹ aP 2 × 10¹⁹
25 P 2.5 × 10¹⁹ aP 2.5 × 10¹⁹
50 P 5 × 10¹⁹ aP 5 × 10¹⁹
100 P 1 × 10²⁰ aP 1 × 10²⁰
250 P 2.5 × 10²⁰ aP 2.5 × 10²⁰
500 P 5 × 10²⁰ aP 5 × 10²⁰
1000 P 1 × 10²¹ aP 1 × 10²¹
Attopoise to Poise: Reciprocal Summary
Attopoise to Poise Conversion Reference Table
Reciprocal & Equivalent Value Scientific Notation
1 aP 1 × 10⁻¹⁸ P 1 × 10⁻¹⁸
5 aP 5 × 10⁻¹⁸ P 5 × 10⁻¹⁸
10 aP 1 × 10⁻¹⁷ P 1 × 10⁻¹⁷
50 aP 5 × 10⁻¹⁷ P 5 × 10⁻¹⁷
100 aP 1 × 10⁻¹⁶ P 1 × 10⁻¹⁶
View Complete 15-Row Attopoise to Poise 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 Poise (P) and Attopoise (aP):

Poise References:

  • Pure liquid water dynamic viscosity at room temperature (0.01 P / 1 cP) 0.01 P
  • Commercial culinary golden pancake syrup dynamic viscosity 25 P

Attopoise References:

  • Liquid Helium-4 quantum superfluid zero-viscosity state 1 aP

Tap any benchmark above to automatically calculate its exact equivalent in Attopoise.

ISQ Dimension: [M L⁻¹ T⁻¹] Coherent SI Unit: pascal second (Pa·s) Fluid Dynamics & Rheology

How to Convert Poise to Attopoise

Converting Poise (P) to Attopoise (aP) is a core calculation in Dynamic Viscosity, which quantifies a fluid's internal tangential resistance to shear deformation and laminar flow. This calculation bridges modern MKSA metric standards with the historical Gaussian centimetre-gram-second (CGS) electrostatic and electromagnetic framework. In CGS systems, electromagnetic units (such as statvolts, abvolts, dynes, ergs, and gauss) are formulated directly from mechanical dimensions, with electrostatic-to-electromagnetic relations tied to the speed of light in vacuum (c ≈ 2.99792458 × 1010 cm/s). Exactly 1 Poise translates to 1 × 10¹⁸ Attopoise (1 aP = 1 × 10⁻¹⁸ P).

Direct Factor1 P = 1 × 10¹⁸ aP
Inverse Ratio1 aP = 1 × 10⁻¹⁸ P
Conversion ScaleSI to CGS Gaussian / ESU / EMU 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 (pascal second (Pa·s)) 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 P = 0.1 pascal second (Pa·s)
2. Target SI Bridge (ktarget):1 aP = 1 × 10⁻¹⁹ pascal second (Pa·s)
Step-by-step substitution for Poise → Attopoise:V(aP) = V(P) × ( 0.1 / 1 × 10⁻¹⁹ ) = V(P) × 1 × 10¹⁸
Mathematical FormulaValue in Attopoise = Value in Poise × 1 × 10¹⁸Direct computational formula applied for standard conversion.
Worked Example

For an engineering input of 250 P, applying the conversion factor yields exactly 2.5 × 10²⁰ aP. At larger operational scale, 100 Poise corresponds to 1 × 10²⁰ aP.

Inverse check: 1 aP = 1 × 10⁻¹⁸ P.

Understanding Poise and Attopoise

Poise

P
CGS System

A Poise (P) is a unit of dynamic viscosity in the centimeter-gram-second (CGS) system.

Applications & Practical Context

In practical viscosity dynamic terms, a pure liquid water dynamic viscosity at room temperature (0.01 P / 1 cP) equals 0.01 P, a commercial culinary golden pancake syrup dynamic viscosity equals 25 P.

Physical Setup

A physical magnitude of 1 P corresponds to 0.1 Pa·s in standard SI measurement.

Conversion to SI Unit: pascal second (Pa·s)
1 P = 0.1 Pa·s

Attopoise

aP
SI Submultiple

An Attopoise (aP) is a decimal submultiple of the SI-derived unit for dynamic viscosity.

Applications & Practical Context

In practical viscosity dynamic terms, a liquid Helium-4 quantum superfluid zero-viscosity state equals 1 aP.

Physical Setup

A physical magnitude of 1 aP corresponds to 1 × 10⁻¹⁹ Pa·s in standard SI measurement.

Conversion to SI Unit: pascal second (Pa·s)
1 aP = 1 × 10⁻¹⁹ Pa·s

Domain Metrology & Engineering Applications

Governing Law & Equation

Newton's Law of Viscosity (τ = μ · du/dy)

Measurement Instrumentation

Rigorously quantified in laboratory and field settings using rotational cone-and-plate rheometers, falling ball Höppler viscometers, and vibrating wire viscometers.

Primary Industry Sectors

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.

Institutional Metrology & Standard Authority:

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].

Multi-Variable Engineering Bridge Rheology & Fluid Boundary Layers

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
Vector: [Pa·s] ÷ [kg/m³] → [m²/s]
Live Calculated Bridge Equivalent:
1 P at Engine Lubricating Oil (SAE 30, 20°C) = 0.00011299 m²/s
Equals 112.9944 cSt • 1.1299 St • 0.001216 ft²/s
SI Kinematic Viscosity
0.00011299
m²/s
Square Meters per Second
Lubricant ISO VG
112.9944
cSt
Centistokes
CGS Viscosity
1.1299
St
Stokes
US Customary
0.001216
ft²/s
Square Feet per Second
Aero Hydraulics
0.18
in²/s
Square Inches per Second
ISO Viscosity
112.9944
mm²/s
Square Millimeters per Second
  1. 1. Normalize Input to SI Base Unit (Pa·s):
    μ = 1 P × 0.1 = 0.1 Pa·s
  2. 2. Apply Engineering Parameter (ρ):
    Selected condition: Engine Lubricating Oil (SAE 30, 20°C) at ρ = 885 kg/m³
  3. 3. Execute Governing Physical Law in SI Units:
    ν = μ / ρ = (0.1 Pa·s) ÷ (885 kg/m³) = 0.00011299 m²/s
  4. 4. Convert to Standard Engineering Units:
    • m²/s: 0.00011299 × 1 = 0.00011299 m²/s (Square Meters per Second) • cSt: 0.00011299 × 1000000 = 112.9944 cSt (Centistokes) • St: 0.00011299 × 10000 = 1.1299 St (Stokes) • ft²/s: 0.00011299 × 10.7639 = 0.001216 ft²/s (Square Feet per Second) • in²/s: 0.00011299 × 1550.0031 = 0.18 in²/s (Square Inches per Second) • mm²/s: 0.00011299 × 1000000 = 112.9944 mm²/s (Square Millimeters per Second)
Explore Full Density Converter →
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
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Frequently Asked Questions

There are exactly 1 × 10¹⁸ attopoises (aP) in 1 poise (P). To calculate larger amounts manually, simply multiply your total number of poise by the conversion multiplier of 1 × 10¹⁸.

The mathematical formula to convert poise to attopoises is: [value] * 1 × 10¹⁸ = attopoises. 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 attopoises back to poise, you must divide your starting value by 1 × 10¹⁸. Our bidirectional tool automatically computes this inverse equation the moment you type into the attopoise input field.

1 Poise is larger than 1 Attopoise. Specifically, 1 Poise equals exactly 1 × 10¹⁸ attopoises, making it 1 × 10¹⁸ times larger (a difference of 18.00 orders of magnitude). Therefore, quantities expressed in attopoises require a larger numerical value to represent the same physical amount.

Under standard international measurement guidelines, 1 Poise converts to 1 × 10¹⁸ attopoises. Precise numerical conversion factors ensure consistency across laboratory, engineering, and field data.

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