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Forum topic by bluephi1914 posted 08-13-2018 11:10 AM 669 views 0 times favorited 10 replies Add to Favorites Watch
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bluephi1914

93 posts in 1777 days


08-13-2018 11:10 AM

i am building new kitchen cabinets and was wondering if there was a calculator or formula that would help me calculate the amount of plywood i needed…

for example: 1 sheet of 3/4 plywood and 1/4 plywood usually gets you two wall cabinets 12inches deep & 30 wide etc etc.

i know there are a lot of variables but im sure there has to be a formula or unspoken rule of thumb that people use. im going with shaker doors. and the base cabinets will be 24 inches deep… same 30 inch width.

any help or insight would be greatly appreciated. the area we are covering are two 11 foot walls

-- Jack of all trades and a master of most of them.


10 replies so far

View Robert's profile

Robert

3436 posts in 1899 days


#1 posted 08-13-2018 01:32 PM

I’ve been using Cut List for years and really like it. The basic program is all you need. I think there is a trial version you can probably use for your kitchen for free.

Basically you’re ripping all the widths the long way specify the grain direction in the layouts the computer does the rest.

-- Everything is a prototype thats why its one of a kind!!

View Nubsnstubs's profile

Nubsnstubs

1577 posts in 2149 days


#2 posted 08-13-2018 02:01 PM

Are you building these cabinets for yourself or a customer? From your description, 24×30” sounds like you could just go into a BBS and purchase them on the spot, unless they don’t have the wood species you want.

If you are building custom cabinets, why stay with the mentioned dimension, unless that’s the only cabinet you are going to build. If you have a 7 foot space, build one cabinet instead of several to make up the space.

I don’t use any computer stuff to generate my cut list. I take a sheet of paper, draw a rectangle, establish a 4×8 dimension, on height and width, divide it with lines either for base depth cabinet of the upper width cabinets, the section off each piece I need to cut to make the cabinets. An 8 foot sheet will give me 3 pieces of 31 1/4” cabinet sides. Dividers are 30 1/4”?. Mark up the paper with the number of sizes needed. If it takes more that one sheet for the build, I make as many sheets as needed until all my cabinet parts are accounted for. I then count the sheets of paper, and then call in my order to my supplier.

This is simple, doesn’t require any real computer skills to figure out, and has served me well for about 40 years+. ............. Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

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bluephi1914

93 posts in 1777 days


#3 posted 08-13-2018 02:58 PM

It’s for my brother… BBS will put him way over budget. So that’s why I was wanting to build. Don’t want to give $6k when the materials would cost me half that.

I just used those generic measurements to keep things simple for people offering suggestions.

-- Jack of all trades and a master of most of them.

View bluephi1914's profile

bluephi1914

93 posts in 1777 days


#4 posted 08-14-2018 01:22 AM

-- Jack of all trades and a master of most of them.

View Rayne's profile

Rayne

1209 posts in 1958 days


#5 posted 08-14-2018 01:43 AM



I ve been using Cut List for years and really like it. The basic program is all you need. I think there is a trial version you can probably use for your kitchen for free.

Basically you re ripping all the widths the long way specify the grain direction in the layouts the computer does the rest.

- rwe2156

Just curious if the website is www.cutlistplus.com ? I’ve seen that software before but a much much earlier version of it. $89 worth it for a hobbyist? Sorry to hijack the thread, but this is a good question that I haven’t researched or looked up yet myself.

View Rich's profile

Rich

4555 posts in 1008 days


#6 posted 08-14-2018 01:56 AM

The cabinet base and upper sides aren’t going to vary, so you can count up the cabinets and multiply their respective areas by two.

For the floors, shelves and back, I’d calculate the total area for a base cabinet and for an upper based on one width, and use actual widths as a proportion of that. So say you figure that a 24 inch wide base cabinet requires Y square feet for the floor and shelf, then a 15 inch cabinet will be 5/8 x Y square feet. The backs will be separate because one, it’ll be 1/4” ply and two, depending on the design, some of them might not have backs.

You don’t mention calculating doors and face frames, but the same concepts apply. The stiles will be constant — one length for the base and another for the uppers. The rails will be proportional as above, and the doors and drawers will follow too. If it were me, I wouldn’t get too fussy about drawer sides, backs and bottoms — just do the numbers for an average size drawer and then multiply by the number of drawers. As long as the distribution of sizes is fairly even, you’ll get within 10% or so.

Keep standards in mind. Typical widths are 3” apart, so 12”, 15”, 18” and so on are standards. You can have one custom item for filler, but if you stick with the standards, your life will be easier and the final result will look better.

-- Knowledge is not skill. Knowledge plus ten thousand times is skill. -- Shinichi Suzuki

View bluephi1914's profile

bluephi1914

93 posts in 1777 days


#7 posted 08-14-2018 02:12 AM


I ve been using Cut List for years and really like it. The basic program is all you need. I think there is a trial version you can probably use for your kitchen for free.

Basically you re ripping all the widths the long way specify the grain direction in the layouts the computer does the rest.

- rwe2156

Just curious if the website is www.cutlistplus.com ? I ve seen that software before but a much much earlier version of it. $89 worth it for a hobbyist? Sorry to hijack the thread, but this is a good question that I haven t researched or looked up yet myself.

- Rayne

No worries, that’s the site. The trial version does cabinets for free i believe

-- Jack of all trades and a master of most of them.

View bluephi1914's profile

bluephi1914

93 posts in 1777 days


#8 posted 08-14-2018 02:20 AM

That Program is pretty neat… After a few times or 40+ years like Jerry I’ll probably have it down and won’t need software.

On another note…

Is there a major difference between fiber core ply wood and vaneer for cabinet making?

-- Jack of all trades and a master of most of them.

View Nubsnstubs's profile

Nubsnstubs

1577 posts in 2149 days


#9 posted 08-15-2018 01:27 PM



- bluephi1914


Blue, is that a picture of what you plan on building?? If so, send me a better picture, plus dims, and I’ll try to help with a plan on how to build. The upper cabinets look like they could be built in 3 pieces, the center cabinet being wall to wall and the other butting up to it. The two doors at each corner could have mitered stiles with a piano hinge that when opened, you would have the full access where the two cabinets come together with no cabinet stile to interfere. ............... Jerry (in Tucson)

-- Jerry (in Tucson) www.woodturnerstools.com

View GR8HUNTER's profile

GR8HUNTER

6210 posts in 1131 days


#10 posted 08-15-2018 01:34 PM

I use this : http://workshop-buddy.com/cut-optimization-calculator.html :<))

-- Tony---- Reinholds,Pa.------ REMEMBER TO ALWAYS HAVE FUN

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