Coordinate Geometry Calculators
Equation of a Line Calculator
Find the equation of a line from two points or a point and slope.
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What is Line Equation?
Every non-vertical line can be written y = mx + b, where m is the slope and b the y-intercept. Two points determine it uniquely.
How it works
We find the slope, back-solve the y-intercept, and print both the slope-intercept and standard forms plus the x- and y-intercepts.
- Enter your input. Type or paste your input into the field above — the tool responds instantly.
- Review the result. Output updates live as you type. Everything runs entirely in your browser.
- Copy or download. Use the Copy button to grab the result, or Download to save it as a file.
Examples
Realistic sample
Type or paste any realistic input — the tool computes the result locally and instantly.
Common mistakes
Expecting a server round-trip
Nothing is uploaded — every tool in this category runs entirely in your browser.