Gate Cost Calculator
Estimate gate cost — material, quantity and price with waste. Compare per yard, per bag or per ton for US projects. Enter dimensions, select units and add waste to get instant, supplier-ready numbers.
Enter dimensions above to calculate
- Enter values to see step-by-step substitution.
Engineering Assumptions:
- Quantity and quoted unit price must use the same unit. Tax applies to materials only in this model; local treatment of services and delivery may differ.
- Use a separate calculation for each material line and add the totals.
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Gate Cost — posts 10 ft o.c.
What Is This Calculator?
The Gate Cost Calculator — Builds US decks and fences — boards, joists, posts, panels and concrete with waste.
What Does It Calculate?
- Deck boards and joists
- Fence posts, panels and rails
- Concrete bags per post
How to Use the Calculator
- Measure Fence 100 ft, post spacing 8 ft, picket 5.5 in + 0 in gap — use feet for length/width and inches for thickness where typical.
- Enter values and select units. The calculator converts to feet before calculating (inches /12, yards x3).
- Adjust waste % and optional price, then click Calculate. Results show with waste included.
- Use Reset to clear and try another size.
Formula & Engineering Methodology
Total = quantity × allowance factor × unit price × (1 + material tax / 100) + delivery + labor.
- Length — Fence/deck length
- Spacing — 8 ft post, picket gap 0-0.5 in
All units convert to exact standard engineering dimensions (NIST SP 811) before calculation to ensure consistency between US Customary and Metric measurements.
Worked Example
Example: Fence 100 ft, post spacing 8 ft, picket 5.5 in + 0 in gap
| STEP | VALUE |
|---|---|
| Posts | ceil(100/8)+1 =14 |
| Pickets | 1200 in /5.5 =218 |
| With waste | 236 pickets |
Construction Information
Material: Deck boards 5.5 in + 1/8 in gap, joists 16 in o.c. Fence posts 8 ft spacing, 2.5 ft deep, 0.5 bag 50-lb per post.
Posts 8 ft OC, 1/3 buried below frost line. Gate needs 2 extra posts.
Material Information
Deck boards 5.5 in + 1/8 in gap, joists 16 in o.c. Fence posts 8 ft spacing, 2.5 ft deep, 0.5 bag 50-lb per post.
Waste & Overages
Add 10% for cuts and angles — 15% for curves.
Practical Tips
- Crown deck boards up
- Set posts in gravel + concrete for drainage
Common Mistakes
- Wrong gap — boards buckle
- Shallow posts — frost heave
Assumptions & Engineering References
- Quantity and quoted unit price must use the same unit. Tax applies to materials only in this model; local treatment of services and delivery may differ.
- Use a separate calculation for each material line and add the totals.
This calculator provides an estimate based on your inputs. Actual requirements vary by site, material and installation. For code-regulated or load-bearing work, consult a qualified professional.
Calculations run 100% in your browser — zero tracking of your dimensions or input data.
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Frequently asked questions
What does the Gate Cost Calculator calculate?
The Gate Cost Calculator estimates gate cost quantity for US jobs — Deck boards and joists, Fence posts, panels and rails, Concrete bags per post. Enter dimensions, choose units, add waste and price to get instant results.
How do I measure for gate cost?
Measure fence 100 ft, post spacing 8 ft, picket 5.5 in + 0 in gap on site. Use the unit selectors — the tool converts inches→feet (÷12) and yards→feet (×3) before math. For non-rectangular, split into rectangles and add.
How much waste should I add?
Add 10% for cuts and angles — 15% for curves.
How accurate is this gate cost estimate?
Math is exact for your inputs. Actual needs vary by site, material and installation. Add 5–10% waste for rectangular, 10–15% for irregular.
About Calculator Street
Built by Vipul Otari for US homeowners & contractors. Calculator inputs are processed in your browser. Estimates depend on your measurements, product specifications and the assumptions shown on this page. Confirm order quantities with your supplier and structural requirements with your project designer. Page updated: 2026-09-11.