Diameter to Radius
Convert diameter to radius with the relationship r = d / 2.
Table of Contents
22 units =
11 units
Representative value from the Diameter to Radius reference table.
Reference Values
Browse 20 reference values with individual detail pages for quick lookup.
Diameter to Radius
Convert diameter to radius with the relationship r = d / 2.
Calculated Result
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Reference Table
Use this complete table for quick lookup and internal linking to specific value pages.
| Diameter | Radius |
|---|---|
| 2 units | 1 units |
| 4 units | 2 units |
| 6 units | 3 units |
| 8 units | 4 units |
| 10 units | 5 units |
| 12 units | 6 units |
| 14 units | 7 units |
| 16 units | 8 units |
| 18 units | 9 units |
| 20 units | 10 units |
| 22 units | 11 units |
| 24 units | 12 units |
| 26 units | 13 units |
| 28 units | 14 units |
| 30 units | 15 units |
| 32 units | 16 units |
| 34 units | 17 units |
| 36 units | 18 units |
| 38 units | 19 units |
| 40 units | 20 units |
Frequently Asked Questions
Common questions about Diameter to Radius, formulas, and typical use cases.
What does the Diameter to Radius calculator do?
It calculates converting measured diameter values into radius for geometry formulas from the values you enter.
What formula does the Diameter to Radius calculator use?
Radius = Diameter / 2.
What inputs are valid?
Enter a non-negative or positive diameter value. For physical circles, diameter should be positive.
When would I use this?
converting measured diameter values into radius for geometry formulas
Methodology and Review
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