How Many Garage Floor Tiles Do I Need? Simple Measuring Guide

Planning to upgrade your garage, workshop, home gym or storage space with interlocking floor tiles? One of the first questions most people ask is:

“How many garage floor tiles do I actually need?”

The good news is that working it out is straightforward once you know your room size and the tile dimensions. In this guide, we’ll walk you through how to measure your space, calculate your tile quantity, allow for cuts and wastage, and decide whether a complete garage flooring kit or individual tile packs are the better option for your project.

Whether you’re covering a full single garage, a larger workspace or a smaller utility area, this guide will help you order with more confidence.

Why measuring properly matters

Garage flooring tiles are designed to create a cleaner, tougher and more professional-looking floor, but ordering the right amount is important.

If you order too few tiles, you may not be able to complete the job in one go. If you order too many, you may spend more than you need to. Measuring first helps you:

Work out your floor area accurately
Choose the right kit size or tile pack quantity
Allow for cuts around walls, corners and obstacles
Plan where trims and edges may be needed
Reduce delays during installation

It is always better to spend a few minutes measuring before ordering than to guess based on a rough garage size.

What size are Coinect garage floor tiles?

Coinect interlocking garage floor tiles measure:

470mm x 470mm

That is the same as:

0.47m x 0.47m

Each tile covers approximately:

0.2209m²

This means you can calculate the number of tiles needed by measuring your space and dividing it by the tile size.

Coinect tiles are also 12mm thick, making them a heavy-duty flooring option for garages, workshops, home gyms, sheds and storage spaces.

The quick calculation

There are two common ways to work out how many tiles you need.

The simplest area method is:

Room length x room width = total m²

Then:

Total m² ÷ 0.2209 = approximate number of tiles

However, for interlocking tiles, the more accurate method is to calculate how many tiles you need across the width and length of the room.

Use this method:

Room width ÷ 0.47 = number of tiles across
Room length ÷ 0.47 = number of tiles long

Then round each number up to the next whole tile and multiply them together.

This method is better because it accounts for the physical tile layout. Even if only part of a tile is needed at the edge of the room, you still need a whole tile to cut from.

Step-by-step: how to measure your garage or room

Step 1: Measure the width

Measure the width of the space in metres. This is usually from one side wall to the other.

Take the measurement in a few places if the room is not perfectly square. Garages and older floors can sometimes be slightly out.

If the measurements vary, use the largest measurement to be safe.

Step 2: Measure the length

Measure the length of the room from front to back.

For a garage, this usually means measuring from the garage door opening to the back wall.

Again, take more than one measurement if the room is irregular.

Step 3: Multiply width by length

This gives you the total floor area in square metres.

For example:

Width: 3.0m
Length: 5.2m

3.0 x 5.2 = 15.6m²

This tells you the rough area you need to cover.

Step 4: Work out the number of tiles across and long

Now divide each measurement by the tile size.

Coinect tiles are 0.47m wide, so:

Width ÷ 0.47 = tiles across
Length ÷ 0.47 = tiles long

Using the example above:

3.0 ÷ 0.47 = 6.38
Round up to 7 tiles across

5.2 ÷ 0.47 = 11.06
Round up to 12 tiles long

Then multiply:

7 x 12 = 84 tiles

So for a 3.0m x 5.2m garage, you would need approximately 84 tiles.

Why you should round up

When working out tile quantities, always round up.

If your calculation says you need 6.2 tiles across, you cannot buy or lay 0.2 of a tile on its own. You would need 7 tiles across and cut the final tile to fit.

This is especially important with interlocking floor tiles because the male and female edges need to line up correctly. Offcuts from one side of the room may not always be reusable on the opposite side, depending on tile orientation and the layout.

A small amount of wastage is normal.

Should I add extra tiles for cuts and wastage?

Yes, it is sensible to allow extra tiles for cutting, corners, uneven walls, mistakes or future replacements.

A common approach is to add around 5–10% extra, depending on the shape of the room.

You may need more allowance if:

The room is an unusual shape
There are pillars, steps or fixed units to cut around
You want a very neat balanced layout
The space has lots of exposed edges
You are new to fitting interlocking tiles

For a simple square or rectangular garage, a complete kit may already include a sensible allowance for cutting and waste. For more complicated layouts, adding a few spare tiles is usually a good idea.

Example 1: small room or utility area

Let’s say your space is:

Width: 1.1m
Length: 2.6m

Calculate the tiles across:

1.1 ÷ 0.47 = 2.34
Round up to 3 tiles

Calculate the tiles long:

2.6 ÷ 0.47 = 5.53
Round up to 6 tiles

Multiply:

3 x 6 = 18 tiles

So this space would need approximately 18 tiles.

Example 2: standard single garage

A typical single garage may be around:

Width: 3.0m
Length: 5.2m

Calculate the area:

3.0 x 5.2 = 15.6m²

Calculate by tile layout:

3.0 ÷ 0.47 = 6.38
Round up to 7 tiles across

5.2 ÷ 0.47 = 11.06
Round up to 12 tiles long

7 x 12 = 84 tiles

Depending on the layout, doorway, cuts and whether you need a perfectly balanced finish, you may choose a complete kit or a combination of tile packs.

For many standard single garages, a ready-made single garage flooring kit can be the easiest place to start.

Example 3: larger workshop or double garage

For a larger space, such as:

Width: 5.5m
Length: 5.5m

Area method:

5.5 x 5.5 = 30.25m²

Tile layout method:

5.5 ÷ 0.47 = 11.70
Round up to 12 tiles across

5.5 ÷ 0.47 = 11.70
Round up to 12 tiles long

12 x 12 = 144 tiles

For larger areas like this, tile packs may offer more flexibility, especially if you are creating a custom layout or combining different areas.

Do I need trims and edges?

Trims are used to finish exposed edges neatly and create smoother transitions.

For garage installations, trims are most commonly used along the garage door entrance. This helps create a cleaner finish and can make it easier to wheel items in and out of the garage.

You may also want trims around:

Doorways
Exposed open edges
Step-down areas
Walkways
Storage or workshop zones

To work out how many trims you need, measure the exposed edge lengths where you want a ramped or finished edge.

For example, if your garage door opening is 2.4m wide, you need enough trim length to cover that entrance. If trims are supplied in fixed lengths, round up to ensure you have enough.

Some complete garage flooring kits include ramped edge trims, which can make ordering easier.

How much expansion gap should I leave?

When fitting interlocking garage floor tiles, it is important to leave a small expansion gap at fixed edges such as walls, door frames and built-in units.

As a general guide, leave around:

5–10mm expansion gap

This gives the flooring space to move slightly with temperature changes.

For best results, acclimatise the tiles in the room before installation and avoid fitting them when the space is too cold or too hot.

How do I plan the layout before laying the tiles?

Before you start clicking tiles together, it is worth planning your layout.

Many installers prefer to start from a centre line and work outwards. This can help create a more balanced finish, especially if the room is not perfectly square.

Things to think about before laying:

Where the main entrance is
Which edges will be most visible
Whether you want cuts hidden along walls
Where trims will be fitted
Whether the tile direction needs to stay consistent
Whether you are laying straight or in a brick pattern

Keeping the tile direction consistent helps with alignment and appearance.

Can the tiles be cut?

Yes. Coinect garage floor tiles can be cut to fit around walls, corners, door frames and other obstacles.

For smaller trims, a sharp utility knife and straight edge may be enough. Score the tile carefully and make repeated passes rather than trying to cut through in one go.

For larger or more detailed cuts, use a jigsaw or disc cutter with a suitable wood blade.

Typical tools for installation include:

Non-marking rubber mallet
Straight edge or chalk line
Sharp utility knife
Jigsaw or disc cutter for larger cuts
Tape measure
Marker pencil

Always measure carefully before cutting and allow for the expansion gap.

Should I loose lay or glue the tiles?

For most domestic garages and similar spaces, interlocking PVC tiles can be loose laid over a hard, solid, level subfloor.

Adhesive may be recommended in more demanding situations, such as:

Heavy pallet truck use
Forklift use
Tight turning circles
Areas exposed to direct sunlight
Commercial or high-traffic environments

For typical home garage use, loose laying is usually the simpler DIY option.

What surface can I lay garage floor tiles onto?

Interlocking garage floor tiles should be fitted over a hard, solid and level subfloor.

Concrete and screed are common bases.

Before installation:

Sweep the floor thoroughly
Remove loose debris and dust
Check for major high spots or uneven areas
Make sure the base is stable
Allow the tiles to acclimatise in the space

Garage floor tiles can help cover tired, dusty or worn concrete, but the base should still be structurally sound.

Should I choose a kit or individual tiles?

A complete garage flooring kit is usually the easiest option if your space is close to a standard garage size.

Choose a kit if:

You want a simple starting point
Your garage is a standard single or double size
You want tiles and trims supplied together
You do not want to calculate every item separately

Choose individual tiles or tile packs if:

Your space is unusual
You are covering only part of a floor
You are extending an existing floor
You need extra tiles for cuts or replacements
You are creating a custom layout

If you are not sure, measure your space first and compare your area against the available kit sizes.

Quick tile calculator formula

Use this simple formula:

Width in metres ÷ 0.47 = tiles across
Length in metres ÷ 0.47 = tiles long
Round both numbers up
Tiles across x tiles long = total tiles needed

Then consider adding a small allowance for cuts, waste and future spares.

Quick area formula

You can also use:

Width x length = total m²

Then:

Total m² ÷ 0.2209 = approximate tile quantity

This gives a useful estimate, but the width/length tile layout method is usually more accurate for ordering because it accounts for whole tiles and edge cuts.

Final checklist before ordering

Before placing your order, check:

Your room width and length in metres
Whether the floor is square or irregular
Any pillars, steps or fixed objects
Whether you need trims at the garage entrance
Whether you need extra tiles for cuts
Whether a complete kit covers your space
Whether the floor will be used for cars, gym equipment, storage or workshop use

Once you have your measurements, choosing the right garage floor tiles becomes much easier.

Need help choosing the right garage flooring kit?

If you are unsure how many tiles you need, measure your space and make a note of:

Room width
Room length
Garage door width
Intended use
Whether you need edge trims
Any unusual corners, steps or obstacles

With those details, it is much easier to recommend the best kit, tile pack quantity and trims for your project.

A well-measured garage floor is the first step towards a cleaner, tougher and more professional-looking space.

Still not sure how many tiles you need?

Don’t worry — we’re happy to help.

Simply measure your space and make a note of the width, length, garage door opening and any unusual areas such as steps, pillars or built-in units. Then call our friendly team on 0161 408 1083 and we’ll help you work out how many garage floor tiles, trims and accessories you need for your project.

Next article Loops Kitchen Cabinet LED Lighting Kits