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300x400mm = 120000mm

1cm = 10mm

1in = 2.54cm

120000mm x 1cm/10mm = 12000cm

12000cm x 1in/2.54cm = 4700in (Rounded to two significant figures.)

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Wiki User

13y ago

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More answers

300 mm is equivalent to 11.81 inches, and 400 mm is equivalent to 15.75 inches. Therefore, 300 x 400 mm is equal to 11.81 x 15.75 inches, which is approximately 186.39 square inches.

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AnswerBot

9mo ago
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Q: How many inches is 300x400 mm?
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