Free NZ Calculators for Building, Business & Property

Simple, accurate calculators built for New Zealand. No sign-up. No cost. Just results.

Use a Calculator
For Tradies

Calculate materials, quantities and job costs fast.

Plan projects and estimate costs with confidence.

GST, invoices and job costing made simple.

Homeowners
Businesses

Our Tools

Practical calculators designed for tradies, homeowners, and investors.

Decking Calculator NZ

Estimate timber, boards and total deck size.

A tradie using a tablet on a construction site, calculating costs.A tradie using a tablet on a construction site, calculating costs.
Concrete Calculator NZ

Calculate cubic metres and how many bags you need.

A homeowner reviewing property investment charts on a laptop at home.A homeowner reviewing property investment charts on a laptop at home.
A tradie using a tablet on a construction site, calculating costs.A tradie using a tablet on a construction site, calculating costs.
A homeowner reviewing property investment charts on a laptop at home.A homeowner reviewing property investment charts on a laptop at home.
Paint Calculator NZ

Work out litres needed based on wall area.

Roofing Calculator NZ

Estimate roof area and materials required.

Practical calculators designed for tradies, homeowners, and investors.

A tradie using a tablet on a construction site, calculating costs.
A tradie using a tablet on a construction site, calculating costs.
A homeowner reviewing property investment charts on a laptop at home.
A homeowner reviewing property investment charts on a laptop at home.
Floor Area Calculator NZ

Quickly estimate job costs and materials with ease.

Concrete Bags Calculator NZ

Plan your property investments with clear, simple tools.

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