how to calculate how many 25kg bags in a given volume

[ellal]

I'm laying a concrete base (5:1 ballast: cement), and as access is very limited, I need to get the materials in 25kg bags. How do I work out how many? cheers

 

[kevplumb]

errr the size might help

 

[breezer]

or as you (kevplumb) would say

but i prefer

 

[ellal]

sorry..i was after a general 'calculator'...however, this volume is 0.84m cubed

 

[nstreet]

Won't give you the figures but a handy 'help' tool for working out volumes.

http://www.readymix.co.uk/pages/EstimatingGuide.htm

This one does the lot

http://www.diydoctor.org.uk/projects/mixing_concrete.htm#Concrete Calculator

 

[ellal]

thanks nstreet..the 'diydoctor' link was exactly what I was looking for..