Convert 1 1/4 Inches to Millimeters

To convert 1 1/4 inches to millimeters, we need to know that 1 inch is equivalent to 25.4 millimeters. By understanding the relationship between inches and millimeters, we can convert the given measurement.

When converting inches to millimeters, we multiply the inch measurement by 25.4 since each inch contains 25.4 millimeters. Since there are many millimeters in an inch, the resulting value in millimeters will be larger than what we started with.

First, we need to convert 1 1/4 inches to a single fractional or decimal value:
1 1/4 inches = 1 + 1/4 = 1 + 0.25 = 1.25 inches

Now, we apply the conversion:
1.25 inches * 25.4 millimeters/inch = 1.25 * 25.4 = 31.75 millimeters

Therefore, 1 1/4 inches is equal to 31.75 millimeters.

You could also convert 1 1/4 inches directly to a decimal by adding 1 and 0.25 and then multiplying this number by 25.4 to obtain the equivalent measurement in millimeters.