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3D Distance Calculator
Straight-line distance between two points in 3D space, with midpoint.
ruler Free Online Tool
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Distance
Compare Your Options And Get Clear Answers
Straight-line distance between two points in 3D space, with midpoint.
3D Distance Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: d = sqrt(dx^2 + dy^2 + dz^2).
How It Works
Key concepts behind this calculator
1
Enter Values
Fill in each field with your own numbers.
2
Calculate
Results update as you change the inputs.
3
Review
Read the breakdown and the explanation.
4
Adjust
Change values to compare scenarios.
Quick Reference Guide
3D Quick Guide
Typical values for reference.
| Point A | Point B | Midpoint | Distance |
|---|---|---|---|
| 0,0,0 | 1,2,2 | 0.5, 1, 1 | 3 |
| 1,2,3 | 4,6,9 | 2.5, 4, 6 | 7.81 |
| 0,0,0 | 3,4,12 | 1.5, 2, 6 | 13 |
| -1,-1,-1 | 2,3,5 | 0.5, 1, 2 | 7.81 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
3D Distance Calculator FAQ
Answers to common questions about this calculator.
d = sqrt((x2-x1)^2 + (y2-y1)^2 + (z2-z1)^2).
Yes.
d = sqrt(dx^2 + dy^2 + dz^2).
It is an estimate based on the inputs you enter. Check real quotes, labels or official guidance for important decisions.