Construction
Instant, private, and free
Fence Calculator.
Estimate fence panels, posts, and linear coverage from fence length and selected spacing.
Set your values
Results update as you type.
Outputs use your entered dimensions and an explicit waste percentage; no material density is inferred.
FAQs
Does this account for gates and corners?
The base estimate follows the entered linear length and spacing; gates, corners, terrain, and local post rules should be added separately.
Use Cases
Planning a backyard fence
Use this calculator to quickly estimate how many panels and posts you need for a residential fence, helping you budget and purchase materials accurately.
Example: For a 100-foot fence with 8-foot post spacing, you'll need about 13 posts and 13 panels.
Estimating materials for a garden enclosure
When building a garden fence, this tool helps you determine the required materials based on your chosen spacing, avoiding over- or under-ordering.
Example: A 50-foot garden fence with 6-foot spacing requires approximately 9 posts and 9 panels.
Frequently Asked Questions
- How does the fence calculator estimate the number of posts?
- The calculator uses the total fence length and the selected post spacing to determine how many posts are needed. It divides the length by the spacing and rounds up to include the end post, ensuring you have enough posts for the entire fence line.
- Can I use this calculator for any type of fence?
- Yes, this calculator is designed for general fence planning. It estimates panels, posts, and linear coverage based on the fence length and spacing you input. It works for wood, vinyl, or metal fences as long as you know the total length and desired spacing.
- What does 'linear coverage' mean in this calculator?
- Linear coverage refers to the total length of fence that will be covered by the selected panels and posts. It helps you understand how much ground your fence will span, ensuring you have enough materials to cover the entire length without gaps.
Tips & Common Mistakes
Tips
- Measure your fence line accurately in feet or meters before using the calculator to get precise estimates.
- Consider the terrain: uneven ground may require additional posts or adjustments, so add a small buffer to your estimates.
- Check local building codes for required post spacing and fence height regulations before finalizing your plan.
- Use the calculator to compare different spacing options to see how they affect the number of posts and panels needed.
Common Mistakes to Avoid
- Forgetting to include the end post: always add one extra post to the calculated number to account for the starting and ending points.
- Using inconsistent units: ensure your fence length and spacing are in the same unit (e.g., all feet or all meters) to avoid incorrect results.
- Ignoring gate openings: if your fence includes a gate, subtract that length from the total fence length before calculating materials.
Last updated: August 13, 2026