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04-16-2004, 04:21 PM | #1 | |
Captain Over Engineer
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Fraction to Decimal Conversion Chart
This is a fraction to decimal conversion chart for all of you that still use the American English Standard Units.
Fractions in RED = Decimal in BLUE 1/64 = .0156 1/32 = .0312 3/64 = .0468 1/16 = .0625 5/64 = .0781 3/32 = .0937 7/64 = .1093 1/8 = .125 9/64 = .1406 5/32 = .1562 11/64 = .1718 3/16 = .1875 13/64 = .2031 7/32 = .2187 15/64 = .2343 1/4 = .250 17/64 = .2656 9/32 = .2812 19/64 = .2968 5/16 = .3125 21/64 = .3281 11/32 = .3437 23/64 = .3593 3/8 = .375 25/64 = .3906 13/32 = .4062 27/64 = .4218 7/16 = .4375 29/64 = .4531 15/32 = .4687 31/64 = .4843 1/2 = .500 33/64 = .5156 17/32 = .5312 35/64 = .5468 9/16 = .5625 37/64 = .5781 19/32 = .5937 39/64 = .6093 5/8 = .625 41/64 = .6406 21/32 = .6562 43/64 = .6718 11/16 = .6875 45/64 = .7031 23/32 = .7187 47/64 = .7343 3/4 = .750 49/64 = .7656 25/32 = .7812 51/64 = .7968 13/16 = .8125 53/64 = .8281 27/32 = .8437 55/64 = .8593 7/8 = .875 57/64 = .8906 29/32 = .9062 59/64 = .9218 15/16 = .9375 61/64 = .9531 31/32 = .9687 63/64 = .9843 1 = 1.000 Hope this helps all of you. I will add to this later Im tired of typing and stuff, I will add a conversion to metric (mm).
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04-16-2004, 04:28 PM | #2 | |
AF Regular
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you get that from drafting too? we had those up all over the place.
thanks for posting it though...its gonna help out alotta people! |
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04-16-2004, 04:31 PM | #3 | ||
Captain Over Engineer
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Re: Fraction to Decimal Conversion Chart
Quote:
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04-16-2004, 04:43 PM | #4 | |
AF Fanatic
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Re: Fraction to Decimal Conversion Chart
humm anyone with a calculator (btw windows I one) can calculate this.
I mean, nice effort, but what is the utility of this ?
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CarsModeling.com. My Scale Model Cars blog. |
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04-16-2004, 04:51 PM | #5 | ||
Captain Over Engineer
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Re: Re: Fraction to Decimal Conversion Chart
Quote:
For instance if you are building 13 inch rotors for a 1/5 scale model the decimal is 2.6" but the fraction is 1-39/64". Rulers dont have decimals on them so its actually quite useful for converting decimals to fractions.
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04-16-2004, 06:15 PM | #6 | ||
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Re: Re: Fraction to Decimal Conversion Chart
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Um, tack it up on the wall and forget the calculator. Thanks for the reference, it will definately come in handy. |
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04-16-2004, 08:06 PM | #7 | ||
Captain Over Engineer
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Re: Re: Re: Fraction to Decimal Conversion Chart
Quote:
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04-16-2004, 09:40 PM | #8 | ||
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Re: Re: Fraction to Decimal Conversion Chart
Quote:
I am an engineer and I have a similar chart alongside my PC at work, it's a lot quicker to glance at a chart than to sit and punch buttons everytime you need a conversion. You've become very crititcal, why is that?
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04-16-2004, 09:55 PM | #9 | ||
Captain Over Engineer
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Re: Re: Re: Fraction to Decimal Conversion Chart
Quote:
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04-17-2004, 12:59 AM | #10 | |
AF Enthusiast
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Re: Fraction to Decimal Conversion Chart
I appreciate it too.
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04-17-2004, 01:51 AM | #11 | |
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i feel lucky as i was born at a time where the old imperial system was phased out for the metric system. So i never ever learnt the "old" ways.
I find that my degree of accuracy with the mm system to be much more favourable when working on scale models. 1" = 25.4mm so to get a 13" rotor multiply it by 25.4 then divide by 24 to get the scale for the cars to the nearest 0.1 of a mm! much more accurate than those 37/3 and a 1/5 etc. plus the japanese use it so again it works out more acurate if you use the same method of measuring as them then you dont get a tolerence creep. i myself got my first drawing board (a rotoring A4 slide rule) at age 6. and a rotoring A3 age 9. then autocad since 1997 so and have only realy stopped drafting in the past year as a proffession. So i have a good understanding of how to design. And the metric system is so easy to use. |
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04-17-2004, 09:27 AM | #12 | |
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Re: Fraction to Decimal Conversion Chart
Funny you mention it Chris, I do all my scale modelling in metric for the reason it's easier and more accurate for me to work with. (aside from the fact I grew up on it, like you, but have learnt both).
Regardless, I think the conversion chart posted here will be useful to some members.
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04-17-2004, 10:11 AM | #13 | |
Captain Over Engineer
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I normally use the metric system because I hate the english system. But for the hot rod I have to use the english system since all the dimensions I find, and squares I have are in the english system.
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