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pot size litre to cm Rate Topic: ***** 2 Votes

#16 User is offline   LooseLips 

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Posted 23 April 2012 - 10:51 AM

The problem with my equation is that it assumes your pots are cylindrical and not tapered. If you want an exact size what ya have to do is measure diameter at the top of pot and at the bottom of pot add them together and divide by 2 and then use that number halved again to give you your radius. Really wish I was better at explaining things, sorry guys hope you can figure that out.
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#17 User is offline   nibblebit 

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Posted 23 April 2012 - 01:01 PM

There is an online calculator that will work for plant pots, it calcualtes the volume of a 'slice' of a cone, which is exactly what a plant pot is.

I sealed the bottom of one of my pots with clingfilm then filled it with water and it held 5 litres.

I then plugged my numbers into this calculator and it told me the pot was 4.843 litres so that's good enough for me.

All you need to do is type in three things :

1. The radius of the base, this is the radius of the top of our plant pot.
2. The radius of the top, this is the radius of the bottom of our plant pot.
3. The height of the pot.

Don't forget to set your units (cm, inch, whatever) before doing the calculation.

http://www.aqua-calc...-truncated-cone

This seems the easiest,. most accurate way to me.


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#18 User is offline   curiositymike 

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Posted 01 May 2012 - 10:27 AM

 george1, on 27 March 2012 - 02:06 PM, said:

I think the best way to find the volume of your pots is to put a plastic bag inside a fill with water



I cant believe this thread is getting this big!

Its not an exact science when choosing pot sizes - its a rough idea and the plants wont complain if there's a litre or two short.
Just use the very simple method above and get a rough idea. :smokin:
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#19 User is offline   nibblebit 

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Posted 01 May 2012 - 10:30 AM

Ye, well, all of us men like discussing numbers :)

And YOU just made the thread even bigger, and caused me to reply to it, making it EVEN B I G G E R !!!


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#20 User is online   Joint hogger 

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Posted 01 May 2012 - 01:26 PM

Square pot dimensions - 1.4ltr - 2ltr - 3.4ltr - 6ltr - 11ltr.

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#21 User is online   rosebowl 

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Posted 17 September 2012 - 03:11 PM

are we measuring up to the compost line or the whole pot?

But cheers for that OP :smoke:

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#22 User is offline   Muy blastido 

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Posted 17 September 2012 - 05:44 PM

Nice one just wondering this myself, top man
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#23 User is offline   TheManWhoCan 

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Posted 17 September 2012 - 09:59 PM

I've just read the label and it says what litre the pots are on them. Well in b and q it does anyway lol.
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#24 User is offline   drunkskunkmonkey 

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Posted 23 November 2012 - 10:05 PM

Glad this helped, wasn't expecting this much intrest in the thread. I did my head in trying to work this out :wassnnme:
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