Semicircle Perimeter from Radius
Calculate semicircle perimeter including the diameter using P = πr + 2r.
Table of Contents
15 units =
77.12389 units
Representative value from the Semicircle Perimeter from Radius reference table.
Reference Values
Browse 20 reference values with individual detail pages for quick lookup.
Semicircle Perimeter from Radius
Calculate semicircle perimeter including the diameter using P = πr + 2r.
Calculated Result
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Reference Table
Use this complete table for quick lookup and internal linking to specific value pages.
| Radius | Semicircle Perimeter |
|---|---|
| 0.5 units | 2.570796 units |
| 1 units | 5.141593 units |
| 1.5 units | 7.712389 units |
| 2.5 units | 12.853982 units |
| 4 units | 20.566371 units |
| 5 units | 25.707963 units |
| 6 units | 30.849556 units |
| 7.5 units | 38.561945 units |
| 10 units | 51.415927 units |
| 12.5 units | 64.269908 units |
| 15 units | 77.12389 units |
| 20 units | 102.831853 units |
| 25 units | 128.539816 units |
| 37.5 units | 192.809725 units |
| 50 units | 257.079633 units |
| 62.5 units | 321.349541 units |
| 75 units | 385.619449 units |
| 100 units | 514.159265 units |
| 125 units | 642.699082 units |
| 150 units | 771.238898 units |
Frequently Asked Questions
Common questions about Semicircle Perimeter from Radius, formulas, and typical use cases.
What does the Semicircle Perimeter from Radius calculator do?
It helps with finding boundary length around a semicircular shape including the straight edge.
What formula does the Semicircle Perimeter from Radius calculator use?
Semicircle perimeter (including diameter) = π × radius + 2 × radius.
What inputs are valid?
Radius must be zero or greater. Physical values are typically positive.
When would I use this?
finding boundary length around a semicircular shape including the straight edge
Methodology and Review
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