Calculating box dimensions from cubic volume

retroman · 11th July 2009, 01:27 AM

Hi all,

Does anyone know if there is a free program available that can calculate box dimensions (Height x Width x Depth) if I input a box volume?

Or, even better... If I were to input the required box volume and a number for either the Height, Width, or Depth it would calculate the other two dimensions?

This would allow me to play around creating different sizes and shapes... say if I want to make a tall narrow tower shape or more of a wider square shape.

Your advice and comments are appreciated!

Thanks,
Retroman

infinia · 11th July 2009, 01:29 AM

sure WinISD alpha could handle most of that. Have you tried it?
They use 2 shapes close to 'optimum' dimensions.

Ron E · 11th July 2009, 02:33 AM

It would be pretty easy to cook up something like this yourself in Excel.
Optimum dimensions don't really exist.

sparkless · 11th July 2009, 02:46 AM

Here's a couple I have used;

http://www.kbapps.com/audiospeakers.html

http://www.diyaudioandvideo.com/FAQ/Speaker/

Steve

mikje · 11th July 2009, 02:54 AM

Retroman,
Here are a couple more. I Googled speaker box calculator to find these.
Enjoy,
Mike

http://www.lautsprechershop.de/tools/index_en.htm

http://www.ajdesigner.com/fl_subwoofer/subwoofer.php

Pano · 11th July 2009, 03:22 AM

I've been using WinISD for years to do this. It's very good at it. But you do have to have a starting volume....

infinia · 11th July 2009, 04:06 AM

Here is an internal box dimension calculator. WinISD also uses the golden ratio 1.62 to minimize additive standing waves. They call it "optimum" but there are other ratios that are certainly worse.

http://www.vikash.info/audio/standing_wave_calc/

11th July 2009, 01:27 AM	#1
retroman diyAudio Member Join Date: May 2009	Calculating box dimensions from cubic volume Hi all, Does anyone know if there is a free program available that can calculate box dimensions (Height x Width x Depth) if I input a box volume? Or, even better... If I were to input the required box volume and a number for either the Height, Width, or Depth it would calculate the other two dimensions? This would allow me to play around creating different sizes and shapes... say if I want to make a tall narrow tower shape or more of a wider square shape. Your advice and comments are appreciated! Thanks, Retroman

11th July 2009, 01:29 AM	#2
infinia diyAudio Member Join Date: May 2005 Location: Californication	sure WinISD alpha could handle most of that. Have you tried it? They use 2 shapes close to 'optimum' dimensions. __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust

11th July 2009, 02:33 AM	#3
Ron E diyAudio Member Join Date: Jun 2002 Location: USA, MN	It would be pretty easy to cook up something like this yourself in Excel. Optimum dimensions don't really exist. __________________ Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works. --Carl Sagan Science is a way of thinking much more than it is a body of knowledge. --Carl Sagan

11th July 2009, 02:54 AM	#5
mikje Soakin' up the Sound! diyAudio Member Join Date: Feb 2008 Location: Bismarck, ND	Retroman, Here are a couple more. I Googled speaker box calculator to find these. Enjoy, Mike http://www.lautsprechershop.de/tools/index_en.htm http://www.ajdesigner.com/fl_subwoofer/subwoofer.php __________________ Marantz PM8003 amp, HRT Music Streamer II DAC, Squeezebox Touch, DIY Krystals

11th July 2009, 03:22 AM	#6
Pano diyAudio Moderator Join Date: Oct 2004 Location: North Carolina Blog Entries: 4	I've been using WinISD for years to do this. It's very good at it. But you do have to have a starting volume.... __________________ Take the Speaker Voltage Test!


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11th July 2009, 02:46 AM	#4
sparkless diyAudio Member Join Date: Jul 2009	Here's a couple I have used; http://www.kbapps.com/audiospeakers.html http://www.diyaudioandvideo.com/FAQ/Speaker/ Steve

11th July 2009, 04:06 AM	#7
infinia diyAudio Member Join Date: May 2005 Location: Californication	Box Ratio and Standing Waves Here is an internal box dimension calculator. WinISD also uses the golden ratio 1.62 to minimize additive standing waves. They call it "optimum" but there are other ratios that are certainly worse. http://www.vikash.info/audio/standing_wave_calc/ __________________ like four million tons of hydrogen exploding on the sun like the whisper of the termites building castles in the dust

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