Distance Calculator
This distance calculator works with the coordinate plane and is useful for algebra and geometry classes.
Enter two points to get the straight-line distance and midpoint.
It helps students connect coordinate geometry with the Pythagorean Theorem and line segments.
The result uses standard Cartesian-plane formulas.
Assumptions
- The formula measures straight-line distance on the coordinate plane.
- This is the Euclidean distance, not travel distance on roads.
- Use the slope calculator if you also need the line slope.
How this calculator works
Formula used
Distance is sqrt[(x2 - x1)^2 + (y2 - y1)^2], and midpoint is ((x1 + x2) / 2, (y1 + y2) / 2).
Example calculation
Between (1, 1) and (4, 5), the distance is 5 and the midpoint is (2.5, 3).
Distance Calculator FAQ
Is this distance calculator exact?
It is designed as a practical estimate or classroom calculator for distance calculator. Results can differ if your teacher, textbook, software, or engineering workflow uses different assumptions, notation, or precision.
Who should use this distance calculator?
Students, parents, teachers, and everyday users can use it for homework checks, class review, exam prep, and quick planning calculations on a desktop or phone.
Does this replace official coursework, lab software, or professional tools?
No. These pages are educational calculators for learning and general use. For graded work, lab reports, engineering decisions, or research, verify the result with your course method or professional software.