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Home, building & household

Cement calculator

Estimate cement quantity and bags for a concrete volume.

Your result

Complete the fields and calculate.

Calculation method and formula

Concrete volume [m³] × Cement per m³ [kg]

Understand the inputs

Concrete volume
Unit: m³. Use a measured value or your own assumption.
Cement per m³
Unit: kg. Use a measured value or your own assumption.
Bag size
Unit: kg. Use a measured value or your own assumption.

Assumptions and limitations

Density, consumption or dosage must match your product. The result plans quantities and does not certify mix design, structural capacity or strength.

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.

Concrete volume
3.6 m³
Cement per m³
320 kg
Bag size
25 kg
Example result1,152 kg

That is about 47 bags.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Cement calculator work?+

Concrete volume [m³] × Cement per m³ [kg]. Density, consumption or dosage must match your product. The result plans quantities and does not certify mix design, structural capacity or strength.

What assumptions should I consider for this result?+

Density, consumption or dosage must match your product. The result plans quantities and does not certify mix design, structural capacity or strength. 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.

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