Online calculator for linear interpolation and extrapolation. Given two (x, y) pairs and an additional x or y, compute the missing value.

An online linear interpolation calculator helps to find the interpolated values for the data points on a line or a curve. The calculator plots the interpolated point on a line and shows a step-by-step …

Our free online Interpolation Calculator allows you to quickly and accurately estimate unknown values in your dataset, whether you’re working with simple linear or complex polynomial …

We describe some methods of interpolation, differing in such properties as: accuracy, cost, number of data points needed, and smoothness of the resulting interpolant function. The …

Enter the coordinate point’s value in the respective fields and press the calculate button to interpolate value of given points using our Interpolation Calculator. What is interpolation? How …

Calculate, visualize, and understand interpolation with our powerful online tool. Connects points with straight lines. Simple but may not be smooth at junction points. Requires at least 2 points. …

Linear interpolation assumes the relationship between two known points is a straight line. This calculator automates the algebra and keeps your inputs organized. Use it like this: 1 Enter …

Feb 1, 2025 · Quickly find missing values between two known points (x1, y1) and (x2, y2) with our free Linear Interpolation Calculator. Just enter the coordinates, and it will compute the …

Linear interpolation is a mathematical technique used to estimate an unknown value between two known data points on a straight line, assuming a constant rate of change between the points …

Jun 24, 2025 · Calculate unknown values between known data points using different interpolation methods. This calculator supports linear, polynomial, cubic spline, and nearest neighbour …