How to use the Fence Calculator

Estimate fence spans, posts and total fence area for a straight fence line.

Calculation formula

Span count = ceil(fence length/post spacing); posts = span count + 1 (straight fence line with two ends).

Recommended steps

1. Enter values using the units shown beside each field.
2. Review whether the example assumptions match your situation.
3. Run the calculator and compare the key metrics.
4. Use the source data or official rates when precision matters.

Known limitations

Simple straight fence with no gates, corners or elevation changes. Add extra posts for corners and gates.