DIY & materials · Calculator companion · By K Imports
Fence posts and panels: practical guide
This guide explains how to use the Count.ie fence posts and panels. Estimate panel bays, end posts and post-concrete bags. Follow the inputs, method and worked example below, then compare your own scenario.
Guide written .
Open the Fence posts and panels calculatorWhat to prepare
- Measure the actual space and record every dimension with its unit.
- Check the supplier's pack size, stated coverage and installation instructions.
- Separate the measured requirement from waste, cuts, overlaps and spare material.
Understand the inputs
The calculation method
Each bay adds a panel and post, with one initial end post. Count rounds up to meet or exceed the entered line length.
Worked example
Illustrative inputs and their result.
Example inputs
- Fence line length (m)
- 20
- Panel clear width (m)
- 1.8
- Post width (m)
- 0.1
- Panel price (€)
- 60
- Post price (€)
- 25
- Concrete bags per post
- 2
Calculated example result
- Panels
- 11
- Posts
- 12
How to interpret the result
The calculated quantity is a planning estimate, not an installation specification. Whole packs and site conditions can change the order; structural or safety-critical work needs appropriate professional guidance.
Compare alternative dimensions or pack sizes without changing the unit basis. Re-measure uncertain areas before buying, and use the manufacturer's instructions to decide a suitable allowance.
Common mistakes to avoid
- Convert millimetres, centimetres and metres before combining measurements.
- Do not add the same waste allowance at both measurement and ordering stages.
- Check irregular shapes, openings, substrate conditions and manufacturer coverage separately.
Assumptions and sources
Assumes a straight separate fence line. Gates, shared corner posts, cut panels, post foundations and wind loading require separate design.
If your case falls outside this scope, use a more suitable calculator or contact us about an unclear method.