Useful pond conversion formulae
Water garden ponds conversion tables .... Some people talk in inches and others in millimetres, some in gallons and some in litres.
To complicate matters further there are imperial gallons and US gallons. Inevitably you will come across both in pond keeping so use these simple conversion factors if necessary ..... better still subscribe to the Gazette and get sophisticated spreadsheet calculators FREE
To convert gallons to litres multiply by 4.54
To convert gallons to US gallons multiply by 1.2
To convert US gallons to litres multiply by 3.78
To convert cu.feet to gallons multiply by 6.23
To convert cu.feet to US gallons multiply by 7.48
To convert inches to cm multiply by 2.54
To convert feet to metres multiply by 0.305
To convert pounds to kilograms multiply by 2.2
To convert sq. feet to sq. Metres multiply by 0.093
To convert cu metres to litres multiply by 1000
Of course to convert in the other direction you divide by the factor.
For example to convert litres to gallons you would divide by 4.54