Fence Picket Calculator
Counts pickets using on-center spacing between pickets along the run, including end pickets.
Step 1: Units
Step 2
Enter project measurements
Use decimals if needed (e.g. 3.5).
Step 3
How to use this calculator
Measure picket spacing on center. Narrower spacing increases privacy and picket count.
What the math is doing
Pickets ≈ floor(length ÷ spacing) + 1, scaled by waste for cuts.
Frequently asked questions
Dog ear vs flat?
Same count if heights match.
Shadowbox?
Roughly double picket lineal feet.
Steel pickets?
Use manufacturer panel widths instead.
Slope?
Longer pickets or stepping adds waste.