Fence Picket Calculator

Calculate the exact number of fence pickets needed for your project. Enter the fence length, picket width, and gap spacing to get accurate picket counts with waste allowance.

PICKETS NEEDED (WITH WASTE)
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Exact Count
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Waste Allowance
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Pickets per Foot
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Est. Picket Cost
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What is a Fence Picket?

A fence picket is the vertical board that forms the visible face of a wooden fence. Pickets are attached to horizontal rails running between posts to create the fence surface. The most common residential fence picket is the 1x6 dog-ear style, which features a rounded cut on one corner of the top edge. Pickets come in various widths, heights, and top profiles including dog-ear, flat-top, pointed, French gothic, and scalloped designs.

The number of pickets needed for a fence project depends on three factors: the total fence length, the actual width of each picket, and the gap (or spacing) between pickets. Privacy fences typically use minimal gaps (0-1/4 inch) between pickets, while decorative picket fences use wider spacing (1.5-3 inches) between narrower pickets to create an open, traditional appearance.

Picket Count Formula

Pickets = (Fence Length in inches) ÷ (Picket Width + Gap)
Shadow Box: Pickets = Single-Side Count × 2

For a standard single-sided fence, divide the total fence length (in inches) by the combined width of one picket plus one gap. Round up to the nearest whole number, then add your waste allowance. For shadow-box fences (alternating pickets on both sides), double the single-sided count since each side needs its own set of pickets with staggered placement.

Picket Types & Sizes

Picket TypeNominal SizeActual WidthCommon LengthsPrice Each
1x6 Dog-Ear (PT)1x65.5"6 ft, 8 ft$2.50-4.00
1x6 Flat-Top (PT)1x65.5"6 ft, 8 ft$2.50-4.00
1x4 Pointed (PT)1x43.5"4 ft, 6 ft$1.50-3.00
1x4 French Gothic1x43.5"4 ft, 6 ft$2.00-3.50
1x6 Cedar Dog-Ear1x65.5"6 ft, 8 ft$4.00-7.00

Spacing Guide

The gap between pickets affects both the appearance and function of your fence. Here are common spacing options:

  • 0" (butted) -- Maximum privacy but boards may buckle when wood expands in humid weather.
  • 1/4" (standard privacy) -- Recommended for privacy fences. Allows wood expansion without gaps becoming visible.
  • 1" - 1.5" -- Semi-private look. Allows some airflow and light. Common for shadow-box fences.
  • 2" - 3" -- Traditional picket fence spacing. Provides a decorative boundary without full privacy.

Worked Example

150 feet of privacy fence using 1x6 dog-ear pickets with 1/4" gap and 10% waste:

Length in inches = 150 × 12 = 1,800"
Pickets (exact) = 1,800 ÷ (5.5 + 0.25) = 313 pickets
Waste (10%) = 313 × 0.10 = 31 extra
Total = 313 + 31 = 344 pickets

At approximately $3.00 per picket, the picket cost alone would be approximately $1,032. This does not include posts, rails, concrete, or fasteners.

Frequently Asked Questions

How many pickets per foot of fence?

For a standard 1x6 privacy fence with 1/4-inch spacing, you need approximately 2.09 pickets per linear foot (12 inches divided by 5.75 inches). For 1x4 pickets with 2-inch spacing, you need approximately 2.18 pickets per foot. These rates help for quick mental estimates.

Should I leave a gap between fence pickets?

Yes, a 1/4-inch gap between pickets is recommended even for privacy fences. Wood expands when it absorbs moisture and contracts when it dries. Without a gap, expanding boards push against each other, causing buckling, warping, and cracking. The small gap is barely noticeable and prevents costly damage over time.

What is a shadow-box fence?

A shadow-box fence (also called a board-on-board fence) has pickets mounted alternately on both sides of the rails. When viewed straight on, the fence appears solid and private, but it allows air circulation when viewed at an angle. This style uses approximately twice as many pickets as a standard single-sided fence but looks attractive from both sides -- beneficial when shared with a neighbor.

How many extra pickets should I buy?

Purchase 10% extra pickets to account for warped boards, split ends, knots in bad locations, and cutting errors. Pressure-treated lumber from the store often includes some boards that are unusable due to excessive warping or large knots. It is much easier to return a few unused boards than to make an extra trip when you are three pickets short.