1/4 inch is how many millimeters?
i think there are 25.4 mm in an inch?
for those that usually use the metric system of measurements - do you buy patterns with the inch-foot-yard measuring system? if so, how do you convert the measurements to the metric system? |
Sorry the metric system came too late in my education. I go with inches, feet and Fahrenheit for temperature.
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I use the Imperial system for patterns.
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Despite being metric and fabric being sold by the m etc. Patterns are generally still imperial (mainly because most are American I think!). My sewing machine has a setting for 1/4 seam but also 7mm seam - so I’m guessing that is what is used as standard in Metric patterns? Not sure though
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1/4 in = 6.35 mm. As bearisgray suggested there are 25.4 mm in and inch so you would multiply .25 x 25.4. An easier way is to open up your browser and do a Google search for .25 in = mm and the answer will appear. 1/4 in = mm also works.
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I was raised on imperial, and everything changed to metric in '66, a month after I was married, so am familiar with both. This is how I see things regarding quilting, if a little rough.
2.5cm (25mm) = 1" 30 cm = 1ft 1 mtr = 39.?" 1.5mtrs = 60" 2 mtrs = 80" 2.5mts = 100" These aren't precise measurements but it's easier to wrap my brain around. |
Just use inches, that is what most are use to. 1/4" = 1/4" to me.
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I use both. I have patterns and rulers for both. The standard foot on my Bernina is 0.75 which is what I go with for cms. and I have a 1/4 inch foot. The trick is to go with one or the other system of measurement not to try converting. It doesn't work well. Most cutting mats have inches on one side and cms on the other.
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I only use inches. I was raised on metric but because almost all patterns come in inches I find it hard to convert and never do. I never purchase Dutch quilting magazines because the measurements are in cm and I don't have rulers in cm ;)
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Since I taught science for 30 years, I’m comfortable with metric units. (But when I rode my Harley to Canada, I was planning to claim the opposite if I’d been stopped for speeding! I never was though) I have an app on my smart phone to quickly convert between the two systems, so I cheat on it now. As said in an earlier post, 6.35 mm is the exact conversion for 1/4 inch.
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