Nigeria Perimeter Block Wall Fencing Calculator
Calculate the perimeter, block count, pillar count and total cost of a Nigerian sandcrete block wall fence around a plot.
- Block Size
- 450 × 225 mm
- Sandcrete
- Courses
- 9
- 2.4 m wall
- Pillar Spacing
- 3 m
- Reinforced
Formula & Statutory Rule
Formula
perimeter = 2 × (width + length); blocks = perimeter × courses / block_length
Statutory Rule
block = 450 × 225 mm; courses = 9 for 2.4 m; pillar_spacing = 3 mRegional Benchmark Reference
| Jurisdiction / Tier | Rate or Limit | Statutory Note |
|---|---|---|
| Block size | 450 × 225 mm | Sandcrete |
| Courses | 9 | 2.4 m wall |
| Pillar spacing | 3 m | Reinforced |
Frequently Asked Questions
How many blocks per square metre?
A standard 450 by 225 millimetre block covers about 10 blocks per square metre of wall.
How many courses for a 2.4 metre wall?
A 2.4 metre wall is about 9 courses of standard blocks, allowing for mortar joints.
How far apart are pillars?
Reinforced pillars are typically spaced every 3 metres along the wall.
What is the cost per block?
Block prices vary by region and quality; enter your local rate for an accurate estimate.