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Marble Quantity Calculator

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Slabs vary. Ask the supplier for the actual sizes.

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Marble wastes far more than tile because the veining must run right.

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Cut from the same stone, so it uses slab area too.

Your answer

Slabs to order

7

That is 31.4 m2 of slab for 21.8 m2 of finished work.

Floor area
20 m2
Edging as area
1.8 m2
With wastage
27.3 m2
One slab covers
4.5 m2
Wastage added
5.4 m2

Slab sizes are never exactly uniform. Always confirm the real dimensions of the slabs you are buying before ordering.

Marble Quantity Calculator for Dubai and the UAE

This tool works out how much marble a job needs, in square metres and in slabs.

Marble is not like tile. It is a natural stone cut from a block, so no two slabs are identical, the veining runs in a direction, and slabs come in sizes that vary.

That is why the wastage is much higher than for a manufactured tile, and why buying it works differently.

Why marble wastes so much more than tile

A tile is manufactured. Every one is identical, so a cut piece from one box can be used anywhere.

Marble is cut from a block of stone. The veining runs in a direction through the slab, and it changes as you move across it.

That means a piece cut from one part of a slab does not look like a piece from another part. You cannot simply use whatever offcut is nearest.

If the veining is meant to run continuously across a floor, or to mirror across a counter, the pieces have to come from specific places in specific slabs. Everything else is waste.

That is why twenty five per cent is normal and forty per cent is realistic for vein matched work, against ten or twelve for tile.

Buying marble is different

You do not order marble the way you order tile, and knowing that avoids expensive surprises.

  • Choose the actual slabs

    Go to the yard and pick the slabs. Two batches of the same named stone can look very different, and a photograph will not tell you.

  • Buy everything at once

    From the same block if possible. Slabs from a different block of the same stone will not match, and there is no fixing that afterwards.

  • Check the slab sizes

    Slabs are not a standard size. Their real dimensions decide how efficiently your job can be cut, and therefore how many you need.

  • Ask about the thickness

    Common thicknesses vary, and a thicker slab is heavier, stronger and more expensive. It matters for counters more than floors.

  • Understand the finish

    Polished, honed or leathered are different surfaces on the same stone, with different behaviour underfoot and different maintenance.

  • Keep the offcuts

    Large offcuts become windowsills, thresholds and repairs. Once the slabs are gone, they are gone.

Marble in a UAE home

Marble is everywhere here, and it suits the climate in some ways and not in others.

It is cool underfoot, which is genuinely pleasant in this heat and is one of the reasons it is so common in villas.

It is also soft and it is calcium based, which means acid attacks it. Lemon juice, vinegar, some cleaning products and even a spilled soft drink will etch a polished surface. The mark is not a stain, it is damage to the surface itself.

It is porous too. Oil, coffee and anything coloured soaks in unless the stone is sealed, and sealing is something to redo periodically rather than once.

Outdoors, direct sun and heat are hard on it, and some marbles yellow over time. For a terrace, other stones usually behave better.

None of that means avoid it. It means treat it as a natural material that needs looking after, rather than as a hard wearing tile.

Polishing and restoration

Marble is one of the few floors that can be brought back rather than replaced, and that is worth knowing before anybody takes it up.

A polished floor that has gone dull, scratched and etched can be ground back and repolished in place. The surface layer is removed and a fresh one is exposed.

This is a real trade and it makes a large difference. A twenty year old marble floor that looks tired can come back looking close to new.

It is also messy and slow, and it needs the right machines and diamond pads rather than a buffing machine and some polish.

The practical point when planning a job: if you have existing marble that looks bad, get somebody to look at whether it can be restored before you budget for replacing it.

What the tool cannot tell you

It gives you area and slab count. The rest of a marble job is judgement rather than arithmetic.

How the veining should run across the room is a design decision, and it changes how many slabs you need.

Whether the floor can carry the weight matters for large areas of thick stone, and that is a structural question.

Whether the substrate is flat enough matters more than with tile, because marble slabs are large and rigid.

And the cutting itself is specialist. Marble is cut wet, on the right saw, by somebody who knows how the stone behaves. It is not a job to improvise.

Use the number here to plan and to check a quote. Then have the actual job set out by somebody who does it.

Questions people ask

How much marble wastage should I allow?

Around twenty five per cent for a normal floor with veining, and up to forty for vein matched work. That is much higher than tile, because pieces cannot be taken from anywhere in a slab.

What size are marble slabs?

They vary, because they are cut from natural blocks. Something around 2.8 by 1.6 metres is common, but always confirm the real sizes of the slabs you are buying.

Why does marble stain so easily?

It is porous, so oils and coloured liquids soak in. It is also calcium based, so acids like lemon or vinegar etch the surface, which is damage rather than a stain.

Should I seal marble?

Yes, and repeat it periodically. A sealer fills the pores so spills sit on the surface long enough to be wiped up rather than soaking straight in.

Can old marble be restored?

Usually yes. A dull, scratched floor can be ground back and repolished in place, which often costs far less than replacing it and looks close to new.

Is marble good for outdoor areas in the UAE?

Not the easiest choice. Direct sun and heat are hard on it and some marbles yellow. Other stones generally behave better on a terrace here.

Need the job done

We do this work across Dubai

Use the numbers above to plan, then let us quote the real thing.

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