Tile Estimator
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How to work out how many tiles are required to cover a floor in square meterage. |
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If you are measuring in meters you simply multiply the two measurements. (Room width x room length) + 10% cuts/breakages = square meterage. |
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How to work out how many tiles are required to cover a wall in square meterage. |
To work out how many tiles are required for the top section of the wall you add together the length of each wall then multiply it by the required height this gives you how many square metres are required. To work out how many borders are required you add together the length of each wall then deduct the width of the door and divide by the width of the border. |
(Wall width x wall height) - door/window/bath areas Follow this proceedure for all walls that require tiling and add all wall togather. (Linear length of room - window/door widths) Length of border tile = Amount of border tiles needed. Remember: Always add at least 10% for cuts and breakages. Its better to have extra and not need it, than to need extra and not have it. |
Once you have worked out the overall coverage for the walls you need to deduct out for the bath, door & window. To deduct a door you multiply the width by the height (that the tile covers) deduct a window if it is large. You deduct all other objects in the same manner as the door once all measurements are equated add 10% to allow for wastage. |
Please feel free to use the tile estimator as a guide when selecting your tiles.
1 SQUARE METER INTO SQUARE FEET |
RESULT: 10.8 SQ FT |
100 SQUARE FEET INTO SQUARE METERS |
RESULT: 9.3 M2 |
Tile Size (mm)* | Area to be tiled (squared metres) | | | | | | | | | |
1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
100x100 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 |
200x100 | 50 | 100 | 150 | 200 | 250 | 300 | 250 | 400 | 450 | 500 |
150x150 | 44 | 88 | 132 | 176 | 220 | 264 | 308 | 352 | 396 | 440 |
165x165 | 37 | 74 | 111 | 148 | 185 | 222 | 259 | 296 | 333 | 370 |
200x200 | 25 | 50 | 75 | 100 | 125 | 150 | 175 | 200 | 225 | 250 |
250x200 | 20 | 40 | 60 | 80 | 100 | 120 | 140 | 160 | 180 | 200 |
280x280 | 13 | 26 | 39 | 52 | 65 | 78 | 91 | 104 | 117 | 130 |
300x200 | 17 | 34 | 51 | 68 | 85 | 102 | 119 | 136 | 153 | 170 |
300x300 | 11 | 22 | 33 | 44 | 55 | 66 | 77 | 88 | 99 | 111 |
333x333 | 9 | 18 | 27 | 36 | 45 | 54 | 63 | 72 | 81 | 90 |
400x250 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
400x400 | 6.25 | 12.5 | 18.75 | 31.25 | 43.75 | 56.25 | 68.75 | 81.25 | 93.75 | 106.25 |
450x310 | 7 | 14 | 21 | 28 | 35 | 42 | 49 | 56 | 63 | 70 |
450x450 | 5 | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 |
500x250 | 8 | 16 | 24 | 32 | 40 | 48 | 56 | 64 | 72 | 80 |
500x500 | 4 | 8 | 12 | 16 | 20 | 24 | 28 | 32 | 36 | 40 |
600x300 | 5.5 | 11 | 16.5 | 22 | 27.5 | 33 | 38.5 | 44 | 49.5 | 55 |
600x600 | 2.75 | 5.5 | 8.25 | 11 | 13.75 | 16.5 | 19.25 | 22 | 24.75 | 27.5 |
Remember: Always add atleast 10% extra for cuts
Sundries Estimator
For all powdered adhesives the area covered per 20KG bag is roughly 5M2
For all tubbed adhesives the area covered per tub is roughly 5M2
For self levelling compounds, the area per 20KG bag is 3.5 M2 at a depth of 3mm.
As a general rule of thumb you need 1KG of grout per m2 of tiling.
(the bag and tub may say different, but this is taken on the understanding the the walls or floors concerned are perfectly flat, dependant on the wall or floor having any voids or hollows, these require to be filled in, and in so doing use more adhesives.)