"Martin Sykes" wrote in
message ...
"Mike" wrote in message
...
Can someone please tell me what the volume of water is, in gallons,
of a
50
metre length of garden hose.

Thinking of making a heat exchanger to heat up the water in a big
box with
50 metres of garden hose snaked out and under a Perspex cover

There has to be a calculation somewhere bit I don't know.

Thank you.

Mike

--
H.M.S.Newfoundland Association Reunion Hayling Island April 23rd -
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If a hose has an internal diameter of 13mm, then

13mm*13mm*PI *50m

= 1.3cm * 1.3cm * 3.1415 * 5000cm

= 26546 cubic cm

= 26.5 litres

= 5.8 gallons

13 mm diameter = 6.5 mm radius.