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Scale Ruler

  • 17-01-2011 11:15pm
    #1
    kkstevo
    Closed Accounts Posts: 3 ✭


    Hey, I am doing a course in interior design and i have to use a scale ruler ... The scale i need is 1:50 I know how to change m into cm BUT I don't know how to do MM could anyone show me how to do it preferably a way i can understand thanks.


Comments

  • #2
    bnt
    Registered Users, Registered Users 2 Posts: 13,115 ✭✭✭✭bnt


    The point of a scale ruler is that you don't have to do any converting in your head. In the following pic, you can see just over "1m" on the scale ruler: if you draw a line "1m" long, it's really 2cm (20mm), but that 2cm represents 1m at 1:50.

    28_002E_086.jpeg

    The only "trick" you need is the ability to add or subtract zeroes if you have to do e.g. 1:500 with a 1:50 ruler.

    (I'm assuming you have a scale ruler - it's an actual ruler, not a technique! ;) )

    You are the type of what the age is searching for, and what it is afraid it has found. I am so glad that you have never done anything, never carved a statue, or painted a picture, or produced anything outside of yourself! Life has been your art. You have set yourself to music. Your days are your sonnets.

    ―Oscar Wilde predicting Social Media, in The Picture of Dorian Gray



  • #3
    LeixlipRed
    Closed Accounts Posts: 6,081 ✭✭✭LeixlipRed


    One metre is 100 centimetres. A centimetre is equivalent to 10 millimeters. Which means there are 1000mm in a metre.


  • #4
    kkstevo
    Closed Accounts Posts: 3 ✭kkstevo


    SO is it the same is you have a 1:500 ruler?


  • #5
    bnt
    Registered Users, Registered Users 2 Posts: 13,115 ✭✭✭✭bnt


    kkstevo wrote: »
    SO is it the same is you have a 1:500 ruler?
    Not the same, it's off by a factor of 10. In that picture, if the ruler was 1:500, then you'd see 10m where the picture shows 1m: that's what I mean by "adding a zero". In that case it's a good idea to do the calculation manually, just as a sanity check.

    10m at 1:500 = 10000mm / 500 = 20mm
    1m at 1:50 = 1000mm / 50 = 20mm

    You are the type of what the age is searching for, and what it is afraid it has found. I am so glad that you have never done anything, never carved a statue, or painted a picture, or produced anything outside of yourself! Life has been your art. You have set yourself to music. Your days are your sonnets.

    ―Oscar Wilde predicting Social Media, in The Picture of Dorian Gray



  • #6
    kkstevo
    Closed Accounts Posts: 3 ✭kkstevo


    I am understanding it now ... Thank you so much for helping I really appreciate it :D


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  • #7
    mickdw
    Registered Users, Registered Users 2 Posts: 23,795 ✭✭✭✭mickdw


    If for example you wanted to draw a room 5m x 5m at a scale of 1:100, you could use an ordinary ruler or a scale ruler.

    With a scale ruler, you look for the 1;100 scale, then draw 5m as indicated on the ruler.
    With ordinary ruler, you would have to think abit: 5m = 5000mm. then at 1:100 you would need to draw it 50mm.

    Personally Ive never liked scale rulers.


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