50 Specialist Calculators
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Flooring

Flooring
Calculators

Accurate material quantities for every type of floor. From engineered wood and luxury vinyl tile to ceramic tiles, parquet, screed, and underlay - calculate what you need before you order and avoid costly over-runs.

5 Free Calculators
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Waste Allowance Included
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Why Accurate Flooring Calculations Matter

Getting your flooring quantities right before you order is essential - running short mid-job is one of the most frustrating and expensive mistakes in any renovation. A gap in supply can mean waiting weeks for a matching batch, and different production runs often vary in shade or texture.

Our flooring calculators are built around real-world installation practice. They account for board or tile dimensions, grout joint widths, pattern matching, the direction of lay, and typical cutting waste - so your order quantities are accurate from the start.

Whether you are tiling a bathroom, laying engineered oak throughout an open-plan ground floor, or screeding a new extension, these tools give you reliable quantities in seconds.

Key Factors in Flooring Calculations

  • Direction of layLaying boards diagonally or at 45 degrees to a room significantly increases cutting waste - often by 15% or more compared to a straight lay.
  • Pattern matchingLarge format tiles and patterned boards require pattern repeats to be matched at joins. Always add extra for this when specifying quantities.
  • Expansion gapsHard flooring needs an expansion gap around the perimeter of 10-15mm. This affects the usable area and board count at room edges.
  • Subfloor preparationA level, dry, and clean subfloor is critical. Screed or self-levelling compound may be needed before any floor finish is laid.
  • Staggered joinsMost flooring manufacturers require end joints to be staggered by at least 300mm. This affects how boards are cut and can increase off-cut waste.

Flooring Calculators

Select a calculator below to get instant material quantities for your project.

Hard Flooring Calculator

Calculate the number of boards or planks required for wood, laminate, LVT, or engineered flooring. Enter room dimensions, choose the direction of lay, specify board size, and set your waste allowance. Returns pack quantities based on your chosen product coverage and includes an optional cost estimate.

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Ceramic & Stone Tile Calculator

Estimate tile quantities, adhesive, and grout for ceramic, porcelain, and natural stone floors and walls. Specify tile size, grout joint width, and room area. Calculates total tiles required, adhesive coverage in kg or bags, and grout volumes. Supports both standard and large format tiles with offset and brick bond patterns.

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Parquet Flooring Calculator

Calculate parquet block quantities for traditional solid wood parquet and herringbone panel flooring. Enter the room dimensions and choose your pattern type - straight, herringbone, or basket weave. Returns the total number of blocks or panels needed along with adhesive and waste estimates.

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Concrete Screed Calculator

Calculate the volume and weight of sand and cement screed or liquid anhydrite screed needed to level a floor prior to tiling or other floor finishes. Specify the floor area and screed depth. Returns total volume in m3, weight in kg and tonnes, and optional bag quantities for bagged screed products.

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Underlay Calculator

Estimate the area of underlay required for carpet, laminate, or engineered flooring. Enter room dimensions, subtract any fixed furniture or fitted units, and add the recommended overlap allowance. Returns the total underlay area in m2 along with the number of rolls or packs required based on your chosen product width.

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