Linear Interpolation Equation Calculator

Engineering - Interpolator Formula


To interpolate the y2 value:
x1, x3, y1 and y3 need to be entered/copied from the table.
x2 defines the point to perform the interpolation.
y2 is the interpolated value and solution.
x1y1
x2y2
x3y3

Solving for y2

linear interpolation equation

Inputs:

x1
x2
x3
y1
y3


Solution:

y2
= NOT CALCULATED

Change Equation or Formula
Select to solve for a different unknown
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single interpolator
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double interpolator

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