4 square meters implies that the product of the dimensions is 4 square meters, 100 would imply the product is 100. Visualize this with four 1x1 meter squares (a total area of 4 square meters). This would cover around two blackboards. Visualize this with 100 squares. This is larger than the square footage of wherever you're living now.
A 2ft x 2ft square is 4 square feet and 42 squares will be needed to cover 168 square feet.
You can't convert meters to square meters.
19 squares will cover 1900 square feet.
The Louvre is approximately 60,600 square meters.
Depends ENTIRELY on the size of the vinyl squares !
200 square feet = 18.58 square meters.
If a single roll of wallpaper will cover three square meters it will take 3.1 rolls to cover a wall that is 2 meters x 5 meters. You will need 10 square meters of paper to cover this size wall.
Skin usually covers about 2 square meters.
As a linear meter is a length with zero width, even with an infinite number of them they will not cover an area of 30 square meters.