4.5mm to inches

Step 1: Identify the conversion factor

The conversion factor from millimeter to inch is:

1 millimeter = 0.03937 inch

Step 2: Set up the calculation

To convert 4.5 millimeter to inch, multiply 4.5 by the conversion factor 0.03937:

4.5×0.03937

Step 3: Calculate

4.5×0.03937=0.17716535433070868

Step 4: Round the result

The result is approximately: 0.18 inch

Final Answer:

4.5 millimeter is approximately 0.18 inch.