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I wnat to buy some O rings in Australia The size I have is in Imperial, what would the metric equivalnet please? 3/8 x 9/32 x 3/32 or even 9/16" x 3/8" x 3/32"
You will need the decimal equivalents of the inch fractions. You probably already know this, but simply divide the numerator by the denominator of the fraction to obtain the decimal equivalent: 3/16" = 3 divided by 16 = 0.1875"