1 inch = 25.4 millimetres.
So, 3.5 millimetres = 0.13779528 inches = a bit less than 1/7
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One and one half inches = 38.1 millimeters... Direct Conversion Formula 1.5 in* 25.4 mm 1 in = 38.1 mm
One centimeter is 10 millimeters, therefore one and a half centimeters is 15 millimeters.
There are exactly 1.5 inches in one and one half inches.
"One and a half inches" is approximately the same length as 38.1 millimeters (rounded), regardless whether it refers to a piece of string, a measurement of a geographic figure, or a blade of grass. A circle whose diameter is one and a half inches has an area of 1.767 square inches. (rounded)
100000 inches . * * * * * What? The answer depends on "one and one half" of what. But whatever that is, the answer is not likely to be 100000 inches!