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Conversion tables for quilting

Tue Jan 18, 2011 4:14 am

Hi, couldn't really figure where to post this, but here's my problem: My wife is becoming a quilter, so she wants to work/think in inches and common fractions(eighths, 16ths, etc.). She has a fancy sewing machine made somewhere in Europe (Sweden I think) that wants to express things in millimeters, so she asked me (being a computer nerd with a Masters degree in Math): can you make me a conversion table? So, has any clever person come up with any appropriate tables? It's easy enough of course to generate tables using decimals, but I wondered if there was anything better.

Re: Conversion tables for quilting

Tue Jan 18, 2011 12:22 pm

RussWilliams wrote:Hi, couldn't really figure where to post this, but here's my problem: My wife is becoming a quilter, so she wants to work/think in inches and common fractions(eighths, 16ths, etc.). She has a fancy sewing machine made somewhere in Europe (Sweden I think) that wants to express things in millimeters, so she asked me (being a computer nerd with a Masters degree in Math): can you make me a conversion table? So, has any clever person come up with any appropriate tables? It's easy enough of course to generate tables using decimals, but I wondered if there was anything better.


Russ:

You can get a table for drill bit sizes in proper fractions to mm but most only go to one inch. Sounds like a job for Excel, which will be simple enough to do, as there are exactly 25.4 mm/inch.

I have another suggestion . . . get her a metric sewing tape. You might need to do a couple of conversions, say 4" squares to mm, but then the tape will match the sewing machine. Constantly having to convert, or even look at a chart, will quickly get monotonous.

Re: Conversion tables for quilting

Tue Jan 18, 2011 11:09 pm

@Dirtman: Brilliant! In fact, she already has a tape measure that has both kinds of units on it. She just never paid attention to the metric part. Thanks loads for the idea!

More info

List of all units you can convert online
Metric conversion
Convert pounds to gallons
Convert grams to cups
Grams to milliliters
Imperial vs US Customary
History of measurement