Math
Midpoint Calculator
Use the midpoint calculator to find the point halfway between two points on a coordinate plane.
Try an example
Result
Midpoint
—
- Midpoint x
- —
- Midpoint y
- —
Student quick launch
Grade planning, algebra checks, and formulas students reach for most.
Study path
Use this calculator with
Follow these when you want the formula behind the answer, a short lesson, or nearby tools in the same topic.
What the midpoint calculator solves
Use the The point exactly halfway between two other points. calculator to find the point halfway between two points on a coordinate plane.
Formula
How to use it
- Enter both endpoints.
- Average the x-coordinates.
- Average the y-coordinates.
How to read the answer
The midpoint splits the segment into two equal-length pieces.
Common mistakes and edge cases
- Do not average x with y.
- Keep signs when adding negative coordinates.
- The midpoint can have decimals even when endpoints are integers.
Worked examples
Mixed signs
Midpoint
(5, 2)
Decimal midpoint
Midpoint
(2.5, 1.5)
Frequently asked questions
Can midpoint coordinates be fractions?+
Yes. If the coordinate sums are odd, the midpoint lands halfway between grid lines.
Does midpoint depend on slope?+
No. It averages coordinates directly.
How can I check a midpoint answer?+
Measure the horizontal and vertical change from each endpoint to the midpoint. Those changes should be equal in size and opposite in direction.
About this calculator
- Written by
- mathcheck editorial team
- Last reviewed
- May 15, 2026
Method
- Uses the values entered by the user and stable formulas documented on the page.
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Last updated: May 15, 2026