or 15 cm x 20 cm = 5.9055 inches x 7.874 inches
How many inches is 15 x 20 cm? The answer to this question is that 15 x 20 cm is equal to 118.1102 inches. If you want to calculate the area, then the answer is 15 cm x 20 cm equals 5.9055 inches x 7.874 inches, and the final calculated area is 46.499907 square inches.