Tile Quantity Calculator

ConstructionInstant resultsFormula shown100% in your browser

Find how many floor or wall tiles you need for a room, including cutting wastage and total cost.

Inputs

Area length (ft)

Area width (ft)

Tile length (mm)

Tile width (mm)

Wastage allowance (%)

Rate per tile (₹)

How to use this calculator: Tile Quantity Calculator

Find how many floor or wall tiles you need for a room, including cutting wastage and total cost. The example below is calculated by this page's real engine from the displayed inputs.

1Confirm that the Tile Quantity Calculator matches the quantity or design check you need.
2Enter Area length, Area width, and Tile length using the units printed beside each field.
3Check every value before calculating, especially decimal points and measurement units.
4Calculate, then follow the substituted equations in the worked example and compare the result with any stated limit.
5Read the assumptions, warnings and cited references before using the result for a financial, medical or engineering decision.

Input guide and example values

Use values from the same measurement basis and time period. Conditional fields appear only when the related option is selected.

Input	Example value	Why it matters
Area length	12 ft	Measured or known area length used by the calculation engine.
Area width	10 ft	Measured or known area width used by the calculation engine.
Tile length	600 mm	Measured or known tile length used by the calculation engine.
Tile width	600 mm	Measured or known tile width used by the calculation engine.
Wastage allowance	10 %	Measured or known wastage allowance used by the calculation engine.
Rate per tile	60 ₹	Optional input; leave the supplied default only when it matches your case.

Formula inputs & variables for Tile Quantity Calculator

These are the named quantities used by this calculator. When the source formula does not define a mathematical symbol, OneCalcApp keeps the real input label instead of inventing one.

Variable / input	Unit	Meaning in this calculation
Area length	ft	Measured or known area length used by the calculation engine.
Area width	ft	Measured or known area width used by the calculation engine.
Tile length	mm	Measured or known tile length used by the calculation engine.
Tile width	mm	Measured or known tile width used by the calculation engine.
Wastage allowance	%	Measured or known wastage allowance used by the calculation engine.
Rate per tile	₹	Optional input; leave the supplied default only when it matches your case.

How the Tile Quantity Calculator works

The Tile Quantity Calculator uses Area length, Area width, Tile length, Tile width, Wastage allowance, and Rate per tile to calculate Tiles required, Area to cover, Without wastage, Area of one tile, and Cost. Its engine applies Room area = length × width; the worked values below come from that same live calculation rather than a separately typed example.

With Area length 12 ft, Area width 10 ft, Tile length 600 mm, Tile width 600 mm, Wastage allowance 10 %, and Rate per tile 60 ₹, the main worked-example result is Tiles required = 35 nos.

How each Tile Quantity Calculator input is used

Area length

The Tile Quantity Calculator worked example uses Area length = 12 ft. This value is passed directly into the calculation, with an allowed minimum 0.1.

Area width

The Tile Quantity Calculator worked example uses Area width = 10 ft. This value is passed directly into the calculation, with an allowed minimum 0.1.

Tile length

The Tile Quantity Calculator worked example uses Tile length = 600 mm. This value is passed directly into the calculation, with an allowed minimum 10.

Tile width

The Tile Quantity Calculator worked example uses Tile width = 600 mm. This value is passed directly into the calculation, with an allowed minimum 10.

Wastage allowance

The Tile Quantity Calculator worked example uses Wastage allowance = 10 %. This value is passed directly into the calculation, with an allowed minimum 0 and maximum 30.

Rate per tile

The Tile Quantity Calculator worked example uses Rate per tile = 60 ₹. This value is passed directly into the calculation, with an allowed minimum 0.

Tile Quantity Calculator formulas and result interpretation

Formula 1: relationship used

In the Tile Quantity Calculator, Room area = length × width. The quantities in this relationship come from the named inputs or from an earlier calculation step shown in the worked example.

Formula 2: relationship used

In the Tile Quantity Calculator, Tile area = tile length × tile width. The quantities in this relationship come from the named inputs or from an earlier calculation step shown in the worked example.

Formula 3: relationship used

In the Tile Quantity Calculator, Tiles = room area ÷ tile area × (1 + wastage). The quantities in this relationship come from the named inputs or from an earlier calculation step shown in the worked example.

Tiles required

For the displayed Tile Quantity Calculator worked example, Tiles required is 35 nos. includes 10% wastage Verify Area length, Area width, and Tile length and their units before relying on this output.

Area to cover

For the displayed Tile Quantity Calculator worked example, Area to cover is 120 sq ft. 11.15 m² Verify Area length, Area width, and Tile length and their units before relying on this output.

Without wastage

For the displayed Tile Quantity Calculator worked example, Without wastage is 31 nos. Verify Area length, Area width, and Tile length and their units before relying on this output.

Area of one tile

For the displayed Tile Quantity Calculator worked example, Area of one tile is 0.36 m². Verify Area length, Area width, and Tile length and their units before relying on this output.

Cost

For the displayed Tile Quantity Calculator worked example, Cost is ₹2,100. Verify Area length, Area width, and Tile length and their units before relying on this output.

Tile Quantity Calculator accuracy, checks and limitations

Tile Quantity Calculator units check: confirm Area length (ft), Area width (ft), Tile length (mm), Tile width (mm), Wastage allowance (%), and Rate per tile (₹) before calculating.
Tile Quantity Calculator result check: compare Tiles required, Area to cover, Without wastage, Area of one tile, and Cost with the substituted formula steps and the displayed rounding precision.
Tile Quantity Calculator: Use this result for preliminary design and cross-checking. Confirm the applicable code edition, manufacturer data, site conditions and qualified-engineer approval before final design or installation.

Formula, derivation and worked example

Tiling is a simple area division, but always add wastage: 8–10% for a plain rectangular room and up to 15% when the room has many corners or a diagonal pattern. Tiles come in boxes, so round up to whole boxes when ordering.

Room area = length × width

Tile area = tile length × tile width

Tiles = room area ÷ tile area × (1 + wastage)

Substitution steps

1. Area
length × width
= 11.15 m²
2. Piece area
L × W
= 0.36 m²
3. Count
area ÷ piece area
= 31 nos
4. With wastage
× 1.1
= 35 nos

Computed example results

Tiles required: 35 nos; includes 10% wastage
Area to cover: 120 sq ft; 11.15 m²
Without wastage: 31 nos
Area of one tile: 0.36 m²
Cost: ₹2,100

Understanding the result

Read the main result together with supporting checks, assumptions, limits and intermediate values.

For a manual check, repeat the first equation, confirm the units and change one input at a time.

Assumptions and calculation scope

Area length is assumed to be entered in ft; converting from another unit before entry avoids changing the numerical meaning of the calculation.
Tile Quantity Calculator applies the displayed Room area = length × width relationship to the entered construction inputs. Factors that are not exposed as inputs or stated assumptions are outside this calculator's calculation scope.

Common mistakes when using Tile Quantity Calculator

Do not mix units for Area length (ft), Area width (ft), Tile length (mm). A unit mismatch changes the input magnitude even when the typed number looks reasonable.
Do not replace the displayed Room area = length × width relationship with a different convention without also changing the underlying assumptions; compare like-for-like methods when checking the result.
Do not treat Tiles required = 35 nos from the worked example as a universal answer. It belongs to the displayed example inputs and must be recalculated for the actual case.

When the Tile Quantity Calculator is useful

Tile Quantity Calculator is designed for cases where Area length, Area width, Tile length, Tile width are known and you need Tiles required, Area to cover, Without wastage. The page keeps the live calculator, calculation method and worked example together so the result can be checked instead of treated as a black-box number.

Use the calculator for the scope described by its inputs and notes. The displayed method is Room area = length × width. If the real project or decision needs factors that are not represented here, treat the result as an estimate and add the missing checks separately.

Area length and Area width: what changes the answer

The worked example uses Area length = 12 ft, Area width = 10 ft, Tile length = 600 mm, Tile width = 600 mm. With those values, Tiles required is 35 nos. Changing an input should be interpreted according to that field's unit, range, option and hint rather than by the number alone.

For this calculator, the main input roles are: Area length (ft): Measured or known area length used by the calculation engine. Area width (ft): Measured or known area width used by the calculation engine. Tile length (mm): Measured or known tile length used by the calculation engine. Tile width (mm): Measured or known tile width used by the calculation engine.

How to sanity-check a Tile Quantity Calculator result

Start by confirming the entered values and units, then compare the substituted working with the displayed formula or calculation steps. Pay particular attention to Tiles required, because it is the first worked-example output shown by the live engine.

Finally, compare the result with the assumptions, warnings and related calculators on this page. A nearby calculator can be useful as a cross-check when it measures the same workflow from a different input or output direction.

Next logical calculator

Continue with Flooring Calculator

Flooring Calculator is directly connected from Tile Quantity Calculator as a source-defined continuation or comparison.

Open Flooring Calculator

Formula

Room area = length × width
Tile area = tile length × tile width
Tiles = room area ÷ tile area × (1 + wastage)

Worked example

1A 12 ft × 10 ft room = 120 sq ft = 11.15 m².
2600 × 600 mm tiles have an area of 0.36 m² each → 31 tiles.
3With 10% wastage you order 35 tiles.

Tips

Buy one extra box and keep it — the same batch shade will not be available later.
Start tiling from the room centre so cut tiles fall equally at both walls.

Frequently asked questions

How many 600×600 tiles in 100 sq ft?

100 sq ft is 9.29 m² and each tile covers 0.36 m², so 26 tiles plus wastage — about 29.

How much wastage should I allow?

10% for normal rooms, 15% for diagonal layouts or rooms with many cut-outs.

Do I need to subtract door openings?

For floors, no. For wall tiling, measure the window and door areas separately and reduce the area.

What inputs does the Tile Quantity Calculator use?

It uses Area length, Area width, Tile length, Tile width, Wastage allowance, and Rate per tile. Follow the unit printed for each field and choose any selectable option to match the real scenario.

What does the Tile Quantity Calculator calculate?

It calculates Tiles required, Area to cover, Without wastage, Area of one tile, and Cost. With the displayed default inputs, Tiles required is 35 nos.

Which formula does the Tile Quantity Calculator use?

The primary relationship is Room area = length × width. The page also shows substituted values and calculation steps so the result can be checked independently.

How can I verify a Tile Quantity Calculator result?

First verify the units for Area length, Area width, and Tile length. Then compare the substituted formula steps with Tiles required and its displayed precision.

What are the limitations of the Tile Quantity Calculator?

Tile Quantity Calculator: Use this result for preliminary design and cross-checking. Confirm the applicable code edition, manufacturer data, site conditions and qualified-engineer approval before final design or installation.

Related calculators

Keep going with more construction tools.

Flooring Calculator

Work out the flooring area and material cost for a room or a whole house, in square feet and square metres.

Paint Quantity Calculator

Find how many litres of paint and how many coats you need for a room or house, plus primer and total cost.

Wall Plaster Calculator

Calculate cement bags, sand and water needed to plaster a wall at any thickness and mix ratio.

Paver Block Calculator

Calculate how many paver blocks are needed for a driveway, parking area or pathway, with wastage and cost.

Rebar Calculator

Find how many reinforcement bars a slab, beam or footing needs, the total length, weight and cost.

Sand Quantity Calculator

Find how much sand you need for concrete, plaster or masonry in cubic feet, cubic metres, tonnes and tractor loads.