or 40 cm x 50 cm = 15.748 inches x 19.685 inches
How many inches is 40 x 50 cm? The answer to this question is 40 x 50 cm is equal to 787.4015 inches. If you want to calculate the area, then the answer is 40 cm x 50 cm equals 15.748 inches x 19.685 inches, and the final calculated area is 309.99938 square inches.