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1:30 scale Conversion

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  • 1:30 scale Conversion

    Hey,
    I have a drawing that is scaled at 1:30 but i don't have a ruler for this. How can i find the correct measurement using a different ratio eg 1:20 or 1:50 ??????

    Thanks

  • #2
    Originally posted by TaylaJade View Post
    Hey,
    I have a drawing that is scaled at 1:30 but i don't have a ruler for this. How can i find the correct measurement using a different ratio eg 1:20 or 1:50 ??????

    Thanks
    I recommend not using a scale ruler. A scale of 1:30 means 1 unit on the paper is 30 units on the project. Measure using an ordinary ruler (either millimetes or decimal inches) and multiply by 30. It will be easier than trying to correct a wrong scale.

    However, if you are determined to use a scale ruler, either multiply the reading from 1:20 scale by 1.5, or the reading from a 1:50 scale by 0.6 to correct to 1:30

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