Fence Calculator — Posts, Pickets, Rails & Cost
Enter your dimensions for an instant answer — the exact quantity to buy (waste included), a material cost, and an estimated installed cost. Change any figure to update the result live.
Your project
Standard size shown by default. Change any value — the answer recomputes instantly.
You need
230pickets
Exact need: 219 pickets · plus 5% waste allowance
Material cost
$857–$2,039
Installed (US avg)
$2,387–$4,109
Shopping list
| ITEM | QTY | PRICE RANGE |
|---|---|---|
| pickets | 230 | $575–$1,380 |
| posts | 14 | $126–$308 |
| rails | 39 | $156–$351 |
| Estimated material total | $857–$2,039 |
Companion materials
- Post concrete: 28 × 50 lb bags (2 per post)
Material spec & worked example
Waste allowance
5%
Typical price
$2.5–$6 pickets (6 ft)
100 linear ft, 6 ft high: you need 219 pickets (buy 230 with waste), about $857–$2,039 in materials. See how we calculate this →
Installed cost by state
See a regionally-adjusted installed estimate — materials, labor, total.
View cost by state →Frequently asked
How many fence posts do I need?
With 8-foot post spacing, posts = fence length ÷ 8, plus one. A 100-foot fence needs about 14 posts.
How many pickets for a 100 foot fence?
For 5.5-inch pickets butted together, about 218 pickets for 100 feet, plus waste. The calculator adjusts for your picket width.