Picket Fence Calculator
Updated Formulas shown
Pickets = fence length ÷ (picket width + gap). A 60 ft fence of 3½ in pickets with 2½ in gaps needs 120 pickets.
Pickets
120
- Posts
- 10
- Pickets
- 120
- Rails
- 16
- Post hole depth
- 2 ft
- Concrete (50 lb bags)
- 25
- Concrete (80 lb bags)
- 16
Assumes 10 in holes around 4×4 posts. Corner and end posts are often set deeper or larger.
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Frequently asked questions
What spacing should pickets have?
Classic picket fences use a gap equal to 50–75% of the picket width. Privacy fences use ¼ in or less (wood shrinks).
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Estimates only. Check quantities with your supplier or contractor before ordering.