convert to inches,

30mm wide and 40 mm long

1 millimeter = 0.0393700787 inches

30 * 0.0393700787 = ? inches

To convert from millimeters to inches, you can use the following conversion factor: 1 inch = 25.4 millimeters.

To convert the width from millimeters to inches:
Width in inches = (Width in millimeters) / 25.4

Substituting the given values:
Width in inches = 30 mm / 25.4 ≈ 1.1811 inches (rounded to four decimal places)

To convert the length from millimeters to inches:
Length in inches = (Length in millimeters) / 25.4

Substituting the given values:
Length in inches = 40 mm / 25.4 ≈ 1.5748 inches (rounded to four decimal places)

Therefore, the converted measurements are approximately 1.1811 inches wide and 1.5748 inches long.