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Home, building & household

Home construction budget

Plan land, construction and contingency in one total budget.

Your result

Complete the fields and calculate.

Calculation method and formula

(Land cost + Living area [m²] × Construction cost per m²) × (1 + Contingency [%] ÷ 100)

Understand the inputs

Land cost
Use a measured value or your own assumption.
Living area
Unit: m². Use a measured value or your own assumption.
Construction cost per m²
Use a measured value or your own assumption.
Contingency
Unit: %. Use a measured value or your own assumption.

Assumptions and limitations

Costs use your unit prices and chosen scope. Local quotes, site conditions and extra services can differ. Example prices are not current market prices.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

Worked example

Illustrative values. Replace them with your own inputs for your calculation.

Land cost
120000
Living area
145 m²
Construction cost per m²
2600
Contingency
12 %
Example result556,640

Land and build: 497,000 · Contingency: 59,640.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Home construction budget work?+

(Land cost + Living area [m²] × Construction cost per m²) × (1 + Contingency [%] ÷ 100). Costs use your unit prices and chosen scope. Local quotes, site conditions and extra services can differ. Example prices are not current market prices.

What assumptions should I consider for this result?+

Costs use your unit prices and chosen scope. Local quotes, site conditions and extra services can differ. Example prices are not current market prices. The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation.

How accurate is the result?+

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Prices, measurements and model assumptions determine how well the result represents your situation.

Is this calculator free?+

Yes. Calculations and PDF export work without an account or registration.

What happens to my inputs?+

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.

Toolbox

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