Enter x, ƒ(x) values

Enter Point to interpolate at


How does the Interpolation Calculator work?
Free Interpolation Calculator - Given a set of data, this interpolates using the following methods:
* Linear Interpolation
* Nearest Neighbor (Piecewise Constant)
* Polynomial Interpolation
This calculator has 1 input.

What 1 formula is used for the Interpolation Calculator?

(yb - ya)(x - xa) /(xb - xa)

For more math formulas, check out our Formula Dossier
What 3 concepts are covered in the Interpolation Calculator?
rough calculation of a number or quantity
a type of estimation, a method of constructing new data points based on the range of a discrete set of known data points.
an expression of more than two algebraic terms, especially the sum of several terms that contain different powers of the same variable(s).