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Useful Aquatic Size Conversions

Useful Aquatic Size Conversions

Litres to gallons

Divide litres by 4.54 = gallons

Gallons to litres

Times gallons by 4.54 = litres


220 gallons is equivalent to 1 ton

Ounces to grams

1oz = 28.350g
1g = 0.035oz
1lb = 0.454kg
1kg = 2.205lbs


1in = 2.540cm
1ft = 0.305m
3.281ft = 1m

How to calculate square pool in gallons

Multiply the length by the width, then multiply that figure by the depth (in feet) then multiply that figure by 6.25 to arrive at the gallons needed

How to calculate round pool in gallons

Multiply half the diameter by half the diameter,
Multiply the answer by the depth of your pool and then multiply that figure by 3.142
That figure is the cubic capacity in feet.
You now multiply that figure by 6.25 for the total gallons in the pool.

How to calculate what size liner you need

Add twice the depth to both the length and the width then add 1ft on both answers
for example: 10ft long by 6ft wide by 2ft deep pool liner would be 15ft by 11ft

Usage of salt

Salt in the pool - ½ ounce per gallon
Salt bath - 3kg per 100 litres for 10 mins max

Usage of zeolite

Zeolite - 2kg per 300 gallons
Recharge in salt for 24 hours every 6 weeks

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