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Shadowbox Fence Calculator
Plan boards and posts for a shadowbox fence.
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Plan boards and posts for a shadowbox fence.
Shadowbox Fence Estimator
Enter your numbers below for an instant estimate.
0
💡 Tip: Alternating boards.
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
Shadowbox Quick Guide
Typical values for reference.
| Length | Board | Spacing | Boards |
|---|---|---|---|
| 6 | 10 | 2.4 | 150 |
| 12 | 10 | 2.4 | 300 |
| 20 | 12 | 2.4 | 400 |
| 30 | 10 | 3 | 750 |
| Rule of Thumb | Check inputs | Use as a guide | Round sensibly |
Common Questions
Shadowbox Fence Calculator FAQ
Answers to common questions about this calculator.
Alternating.
It gives a quick estimate of shadowbox fence from the values you enter.
No. It is a planning estimate, so check important figures with a professional or official source.
Yes. Edit any field and the result updates when you calculate.