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Construction Cost Calculator
Estimate building cost from built-up area, local per-area rate, finish quality, fees and contingency, with a package-wise split.
Construction Cost Calculator
Estimated total cost$218 per unit area all-in
| Package | Share | Amount |
|---|---|---|
| Structure & shell | 45% | $162,000 |
| Finishes & fittings | 25% | $90,000 |
| MEP (electrical, plumbing, HVAC) | 20% | $72,000 |
| Sitework & externals | 10% | $36,000 |
Enter a local per-area rate from recent tenders or a quantity surveyor — rates vary widely by city and specification. Excludes land, GST/VAT and furniture unless included in your rate.
Planning estimates only. Building codes, loads and material specs vary — have a licensed engineer or contractor confirm quantities and safety requirements. Disclaimer
Important
Quantity estimates for planning and ordering. Structural members, reinforcement and footings must be designed by a qualified engineer to local code.
Frequently asked questions
Is my data uploaded?
No. The calculation runs entirely in your browser — nothing you type is sent to a server.
Is it free?
Yes — free, unlimited and no sign-up.