THE CLEVER NETWORKCleverDocuAVAILABLE NOWwww.cleverdocu.deCleverStudiIN DEVELOPMENTwww.cleverstudi.de
Translate pageChoose language
Back to all calculators

Home, building & household

Roof tile calculator

Calculate roof tiles by area including waste.

Your result

Complete the fields and calculate.

Calculation method and formula

round up(Roof area [m²] × Tiles per m² × (1 + Waste [%] ÷ 100))

Understand the inputs

Roof area
Unit: m². Use a measured value or your own assumption.
Tiles per m²
Use a measured value or your own assumption.
Waste
Unit: %. Use a measured value or your own assumption.

Assumptions and limitations

The quantity includes your waste allowance and is rounded up to whole pieces or packs. Check layout, product dimensions, joints and return conditions before ordering.

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.

Roof area
160 m²
Tiles per m²
12.5
Waste
8 %
Example result2,160 roof tiles

Guide value: materials, specifications and regional prices can vary.

Model revision: October 17, 2026 · How CleverCalc works

FAQ

Frequently asked questions

How does Roof tile calculator work?+

round up(Roof area [m²] × Tiles per m² × (1 + Waste [%] ÷ 100)). The quantity includes your waste allowance and is rounded up to whole pieces or packs. Check layout, product dimensions, joints and return conditions before ordering.

What assumptions should I consider for this result?+

The quantity includes your waste allowance and is rounded up to whole pieces or packs. Check layout, product dimensions, joints and return conditions before ordering. 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

Related calculators

Home, building & household

Square metre calculator

Open

Home, building & household

Construction cost calculator

Open

Home, building & household

Renovation cost calculator

Open

Home, building & household

Tile calculator

Open
Related document on CleverDocuFree document templates and practical PDF tools – directly in your browser with no sign-up.