The A4 paper size is 1/16 of a square meter (A0 is 1 m2, A1 is 1/2, A2 is 1/4, A3 is 1/8). So 90,000 sheets would be 90,000/16 = 5,625 m2. 1 km2 = 1,000,000 m2. So you can see it is only a small fraction of a square kilometer, 0.005625 to be precise.
A standard A4 sheet of paper is 21.0 x 29.7 cm, for a total area of 623.7 sq cm. A US standard A-size sheet of paper is 8.5 x 11 inches, which is 21.59 x 27.94 cm, for a total area of 603.2246 sq cm.
A micron is a unit of length. It is 1 / 1,000,000 of a metre. A millimetre = 1 / 1,000 of a metre, so a micron = 1 / 1,000 of a millimetre. A sheet of A4 meaures 210 by 297 millimetres So, there are 210,000 microns along the short side, and 297,000 along the long side.
book, A4 size paper, refrigerator, drawer, doors, microwave
Standard copying paper is A4, fold it in half and you get a A5. Fold it in half again and you get a A6, one last fold and you got a A7. So a A7 paper is a paper with the same proportions as a A4 paper but with 1/8 of the area. A7 size is 74mm x 105mm
16 sheets.
One tonne of paper is equal to 200, 000 sheets of A4 paper. (A number of sites report that it is equal to 40,000 sheets, but simple maths shows they are incorrect: Given...1 A4 page of 80gsm (gsm: Grams per Square Metre) 1m2 = 16 x A4 sheets So... 1 A4 sheets = 80g/16 = 5grams 1 tonne = 1,000,000grams Hence... 1 tonne = 1,000,000/5 A4 sheets = 200,000 A4 sheets)
Two A4 sheets make 1 A3 sheet
The A4 paper size is 1/16 of a square meter (A0 is 1 m2, A1 is 1/2, A2 is 1/4, A3 is 1/8). So 90,000 sheets would be 90,000/16 = 5,625 m2. 1 km2 = 1,000,000 m2. So you can see it is only a small fraction of a square kilometer, 0.005625 to be precise.
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16 pages of A4 fit into an A0
According to Wikipedia, the total UK area is about 243610km2. Since one square km has 1000x1000 = 1000000m2, this the area is about 243 610 000 000 m2. Each sheet of A0 paper has an area of exactly one square meter. The area of A1 is exactly half that of A0, A2 half of A1, and so forth. 16 sheets of A4 paper thus cover one sheet of A0 paper, covering an area of 1m2. Thus, you'd need 16 * 243 610 000 000 to cover the area of the UK with sheets of A4 paper.
5000
A sheet of A4 paper is almost exactly 1/16 of a square meter. So the mass of this sheet of paper is (70 g/m²)*(1/16 m²) = 4.375 grams.
Approx...400reams Paper quality is expressed as weight per area. Office standard A4 is 80 grams per square metre. A sheet of A0 paper has an area of 1 m2, A1 is half the size of A0, A2 half A1, A3 half A2, and A4 half of A3; so there are 16 sheets of A4 to the square metre. Therefore the weight of one sheet of A4 is 80 divided by 16, which is 5 grams. The number of sheets needed to make one kilogram is 1000 divided by 5, which is 200 sheets. One tonne is 1000 kilograms so one tonne of A4 would need 200 000 sheets. A ream of paper is 500 sheets, so 200 000 sheets is 400 reams.