Useful conversions
Pond volumes
UK: length x breadth x depth x 6.25 = gallons (Imperial)
US: length x breadth x depth x 7.48 = gallons (US)
Round ponds
UK: Radius x radius x 3.142 x depth x 6.25 = gallons (Imperial)
US: Radius x radius x 3.142 x depth x 7.48 = gallons (US)
1 ton = 220 (Imperial) Gallons or 264 (US) Gallons
1 (Imperial) Gallon = 4.546 Litres
1 (US) Gallon = 3.785 Litres
1 (Imperial) Gallon = 1.2 (US) Gallons
1 fluid ounce = 29.5 ml
1ml water = 1 gram = 1 cubic cm
1 litre (L) = 1000 millilitres (ml) = 0.001 cu meters
1 foot (') = 12 inches (") = 0.305 meters
1 yard = 3ft (feet)
1 percent (%) = 10 parts per thousand (ppt) = 10000 parts per million (ppn)
1 ppm = 1mg/l
UK: length x breadth x depth x 6.25 = gallons (Imperial)
US: length x breadth x depth x 7.48 = gallons (US)
Round ponds
UK: Radius x radius x 3.142 x depth x 6.25 = gallons (Imperial)
US: Radius x radius x 3.142 x depth x 7.48 = gallons (US)
1 ton = 220 (Imperial) Gallons or 264 (US) Gallons
1 (Imperial) Gallon = 4.546 Litres
1 (US) Gallon = 3.785 Litres
1 (Imperial) Gallon = 1.2 (US) Gallons
1 fluid ounce = 29.5 ml
1ml water = 1 gram = 1 cubic cm
1 litre (L) = 1000 millilitres (ml) = 0.001 cu meters
1 foot (') = 12 inches (") = 0.305 meters
1 yard = 3ft (feet)
1 percent (%) = 10 parts per thousand (ppt) = 10000 parts per million (ppn)
1 ppm = 1mg/l