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Laplace Pressure Formula

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The Laplace Pressure is the pressure difference between the inside and the outside of a curved surface that forms the boundary between a gas region and a liquid region. Check FAQs

ΔP = P inside - P outside

ΔP - Laplace Pressure?P_inside - Pressure inside of Curved Surface?P_outside - Pressure Outside of Curved Surface?

Laplace Pressure Example

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With units

Only example

Here is how the Laplace Pressure equation looks like with Values.

Here is how the Laplace Pressure equation looks like with Units.

Here is how the Laplace Pressure equation looks like.

0.9 = 7 - 6.1

0.9Pa = 7Pa - 6.1Pa

0.9 = 7 - 6.1

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Laplace Pressure Solution

Follow our step by step solution on how to calculate Laplace Pressure?

FIRST Step Consider the formula

ΔP = P inside - P outside

Next Step Substitute values of Variables

∴

ΔP = 7Pa - 6.1Pa

Next Step Prepare to Evaluate

∴

ΔP = 7 - 6.1

LAST Step Evaluate

∴

ΔP = 0.9Pa

Laplace Pressure Formula Elements

Variables

Laplace Pressure

The Laplace Pressure is the pressure difference between the inside and the outside of a curved surface that forms the boundary between a gas region and a liquid region.

Symbol: ΔP

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Laplace Pressure

Pressure inside of Curved Surface

The pressure inside of Curved Surface is the pressure applied inside of a curved surface.

Symbol: P_inside

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Pressure inside of Curved Surface

Pressure Outside of Curved Surface

The pressure Outside of Curved Surface is the pressure applied outside of a curved surface.

Symbol: P_outside

Measurement: PressureUnit: Pa

Note: Value should be greater than 0.

Formulas to find Pressure Outside of Curved Surface

Other formulas in Laplace and Surface Pressure category

Go Laplace Pressure of Bubbles or Droplets using Young Laplace Equation

ΔP b = \frac{σ \cdot 2}{R c}

Go Laplace Pressure of Curved Surface using Young-Laplace Equation

ΔP y = σ \cdot ((\frac{1}{R 1}) + (\frac{1}{R 2}))

Go Interfacial Tension by Laplace Equation

σ i = ΔP - (\frac{R 1 \cdot R 2}{R 1 + R 2})

Go Correction Factor given Surface Tension

f = \frac{m \cdot [g]}{2 \cdot π \cdot r cap \cdot γ}

How to Evaluate Laplace Pressure?

Laplace Pressure evaluator uses Laplace Pressure = Pressure inside of Curved Surface-Pressure Outside of Curved Surface to evaluate the Laplace Pressure, The Laplace Pressure formula is defined as the pressure difference between the inside and the outside of a curved surface that forms the boundary between a gas region and a liquid region. Laplace Pressure is denoted by ΔP symbol.

How to evaluate Laplace Pressure using this online evaluator? To use this online evaluator for Laplace Pressure, enter Pressure inside of Curved Surface (P_inside) & Pressure Outside of Curved Surface (P_outside) and hit the calculate button.

FAQs on Laplace Pressure

What is the formula to find Laplace Pressure?

The formula of Laplace Pressure is expressed as Laplace Pressure = Pressure inside of Curved Surface-Pressure Outside of Curved Surface. Here is an example- 0.9 = 7-6.1.

How to calculate Laplace Pressure?

With Pressure inside of Curved Surface (P_inside) & Pressure Outside of Curved Surface (P_outside) we can find Laplace Pressure using the formula - Laplace Pressure = Pressure inside of Curved Surface-Pressure Outside of Curved Surface.

Can the Laplace Pressure be negative?

No, the Laplace Pressure, measured in Pressure cannot be negative.

Which unit is used to measure Laplace Pressure?

Laplace Pressure is usually measured using the Pascal[Pa] for Pressure. Kilopascal[Pa], Bar[Pa], Pound Per Square Inch[Pa] are the few other units in which Laplace Pressure can be measured.

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Laplace Pressure Formula

Laplace Pressure Example

Laplace Pressure Solution

Laplace Pressure Formula Elements

Other formulas in Laplace and Surface Pressure category

How to Evaluate Laplace Pressure?

FAQs on Laplace Pressure

Variable Name