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How heavy would be a 1:1 map of the world be?
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A sheet of A4 weighs 0.005 kg and has an area of 0.06237m² (210mmx297mm). | |
The earth's area is 5.10072 × 10^14 m² | |
So a map, at 1:1 scale, would weigh: | |
5.10072 × 10^14 | |
--------------- x 0.005 | |
0.06237 | |
= 4.1 x 10^14 kg | |
or 410 billion tonnes | |
------------------------------------ | |
Assuming the world is a smooth sphere. |
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