Question: how many a4 in 1m2?
Answer: One A4 sheet of paper is 210 × 297 mm. That's the same as 0.21 × 0.297 mm, which gives us 0.06237 m². Dividing 1 m² by 0.06237 m² gives us the answer we seek: ~16.033 ⇒ 16 sheets whole A4 sheets.