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Old 01-13-2007, 09:42 AM   #1
str8up2fast4u
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Question got some box making questions

now if the box volume is too be 103.4 L would i divide that by 3 ta get the length height width of a cube box and if so since that comes out ta be 34.4666666666666666666667 would i round that up too 34.5 and that would be inches on the lenghts ????????
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Old 01-13-2007, 10:43 AM   #2
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First lets convert that to english so that we can understand it. So what you need is a box that is 3.65 cu. ft. Now we can that the cube root (NOT divide by 3, we are in a 3-dimensional space) but I measure in inches. So one more conversion.

Because there are 1728 cubic inches in a cubic foot we multiply and get
3.65 * 1728 = 6307.2, now I don't care about the 7 or the .2, 6300 is close enough

Now we take the cube root of 6300 and get 18.469, so if we round off to 18.5 inches for all the sides we will be close enough to the 103.4 L that you need.

Almost forgot those are inside dimensions if you are using 3/4- inch MDF the outside dimensions will be 20 x 20 x 20.

Sorry about the math leason, but you ask for it
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Old 01-13-2007, 02:53 PM   #3
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Originally Posted by Ranger SVO View Post
First lets convert that to english so that we can understand it. So what you need is a box that is 3.65 cu. ft. Now we can that the cube root (NOT divide by 3, we are in a 3-dimensional space) but I measure in inches. So one more conversion.

Because there are 1728 cubic inches in a cubic foot we multiply and get
3.65 * 1728 = 6307.2, now I don't care about the 7 or the .2, 6300 is close enough

Now we take the cube root of 6300 and get 18.469, so if we round off to 18.5 inches for all the sides we will be close enough to the 103.4 L that you need.

Almost forgot those are inside dimensions if you are using 3/4- inch MDF the outside dimensions will be 20 x 20 x 20.

Sorry about the math leason, but you ask for it

Sorry for the English lesson, Ranger lol
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Old 01-13-2007, 04:30 PM   #4
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Originally Posted by Ranger SVO View Post
First lets convert that to english so that we can understand it. So what you need is a box that is 3.65 cu. ft. Now we can that the cube root (NOT divide by 3, we are in a 3-dimensional space) but I measure in inches. So one more conversion.

Because there are 1728 cubic inches in a cubic foot we multiply and get
3.65 * 1728 = 6307.2, now I don't care about the 7 or the .2, 6300 is close enough

Now we take the cube root of 6300 and get 18.469, so if we round off to 18.5 inches for all the sides we will be close enough to the 103.4 L that you need.

Almost forgot those are inside dimensions if you are using 3/4- inch MDF the outside dimensions will be 20 x 20 x 20.

Sorry about the math leason, but you ask for it


nah i really appreciate it if using a calculator how do u find the cube root i know i prob sound like a dumbass here but for real i dont give a dam i just wanna know thanks for the info and how did u figure that it was 3.65 cu.ft cause thats exactly right
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Old 01-13-2007, 04:30 PM   #5
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Sorry for the English lesson, Ranger lol
lmao yall crack me up sometimes
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Old 01-13-2007, 04:31 PM   #6
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plus what is mdf is that just particle board u can get from home depot or something else
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Old 01-13-2007, 04:32 PM   #7
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one more thing yall dont have ta try ta make me look like a dumbass just cause i dont know if i knew i wouldn be askin
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Old 01-13-2007, 05:09 PM   #8
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one more thing yall dont have ta try ta make me look like a dumbass just cause i dont know if i knew i wouldn be askin
I am NOT trying to make anyone look like a dumbass. You simply ask a question and I posted an answer. As far as AZN, its his job to correct my spelling and grammer.

Different calculators do cube root differently, cube root is the same as raising a number to (1/3) power. This will get you the answer you need.

As far as conversions, my calculator has built in conversion tables.

MDF is medium Density Fiberboard, available at any Home Depot
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Old 01-13-2007, 05:16 PM   #9
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one more thing yall dont have ta try ta make me look like a dumbass just cause i dont know if i knew i wouldn be askin

No one was trying to belittle you. You asked a question, and a very nicely detailed answer was given. If you have issues with that, perhaps another site more to your taste would suit you. We are on here to help folks out, not insult or call anyone a dumbass (well, other than caddy and azn ) We dont get paid for this, we dont get free blowjobs from the local town pump, and we sure as hell dont get any free car audio equipment!!!!

Thank you for your understanding.
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Old 01-13-2007, 07:39 PM   #10
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Basically take the internal dimension (width X height X depth) and divide by 1728(one cubic foot) and you have the internal space.

A 4x8 board of MDF at Lowes is $21.99 More than enough for a normal sized box
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