How many inches are equal to 1000 millimeters?

To convert millimeters to inches, it’s important to know the conversion factor: one inch is equivalent to 25.4 millimeters. Therefore, to convert 1000 millimeters to inches, you would divide 1000 by 25.4.

Performing the calculation:

1000 millimeters / 25.4 millimeters per inch = approximately 39.37 inches.

Rounding this to one decimal place yields 39.4 inches. Thus, the correct answer shows that 1000 millimeters is indeed equal to 39.4 inches, which aligns with the conversion calculations accurately. Understanding the conversion factor is crucial for such questions, ensuring accurate and reliable results in measurements.