Created By : Rina Nayak

Reviewed By : Phani Ponnapalli

Last Updated : May 16, 2023

Do you need to check the surface tension of any liquid within a matter of seconds? Here comes the hero ie., Free online surface tension calculator. This tool simply asks you to enter the required inputs like force, length, etc. and then click the calculate button. In just fractions of seconds, it display the output for the given surface tension of a liquid.

Surface Tension(y)

Definition of Surface Tension

Surface tension is a liquid property that confront the force acting thereon. It is made by the internal attraction of molecules at a boundary. The energy needed to stretch a unit change of surface area is called surface tension.

What is Surface Tension Formula and Unit?

The formula that is used to calcukate the surface tension is expressed as below:

γ = 1/2 * F / L


  • γ is the surface tension (N/m)
  • F is the force (N)
  • L is the length (m)

The unit of surface tension in SI unit system is Newton per Mtere or N/m. In CGS unit system the surface tension units is dyn/cm.

How Do You Calculate Surface Tension?

The steps that have to be noted and followed while calculatig surface tension is as follows:

  1. Initially, you have to find the force acting on the object.
  2. Later on, just indentify the length of the object.
  3. Now, take the help of the surface tension formula ansubstitute the values in it.
  4. Evaluate the experssion and get the final result of surface te

Surface Tension Calculation Example


Compute the surface tension of a given liquid whose dragging force is 8 N and the length in which the force acts is 4 m?


Given inputs are

F = 8 N
L = 4 m

Now apply the surface tension formula;

ie., γ = 1/2 * F / L

⇒ γ = 1/2 * 8/4

⇒ γ = 1.3333333333333333

Hence, the surface tension of a given liquid is1.3333333333333333 N/m.

For more information & quick calculations on similar kind of calculators, you can check our website @Chemistrycalculatorpro.comwhich acts as an one-stop destination for chemistry online calculators.

Surface Tension of Water Chart

Here are some temperatures taken for instance and displayed the result of surface tension of water for quick references. So, look at the below water surface tension chart:

Surface Tension
- σ -
0 0.0757
10 0.0742
20 0.0728
30 0.0712
40 0.0696
50 0.0679
60 0.0662
70 0.0644
80 0.0626
90 0.0608
100 0.0588

FQAs on Free Online Surface Tension Conversion Calculator with Steps

1. How to measure surface tension?

By using some household items and a calculaor, we can measure surface tension. They are as such:

  • Measuring with a Penny
  • Measuring with a Balance Beam
  • With Capillary Action

2. Can i get to check the dimensional formula of surface tension from surface tension calculator?

Yes, you can see the dimensional formula of surface tension from our online surface tension calculator. And it is expressed as [ML0T-2].

3. How to find surface tension of water at its boiling point?

You can find the surface tension of water at its boiling point from our online surface tension calculator on this page just by entering the force and length values as inputs & display the output in few seconds but the result at its boiling point is zero.

4. What Causes Surface Tension in simple words?

Surface tension causes through the attraction of the particles in the surface layer by the huge amount of the liquid that leads to reduce surface area.