Design tools
Tank volume converter
Quick geometry to litres for cylinder and rectangular tanks, with product range hints.
geometry
Tank volume
Enter dimensions in millimetres. Volume updates live.
Calculated volume
3.53 kL
π × (750 mm)² × 2000 mm ÷ 1,000,000
Suggested tanks
Best matchCarat Underground Rainwater Tank
Ribbed underground tank for residential drive-over installs.
2,700-6,500 L
Platin Underground Rainwater Tank
Low-profile flat tank for shallow digs and tight sites.
1,500-7,500 L
Sapphire Rainwater Holding Tank
Larger holding capacity for commercial and multi-dwelling demand.
5,000-26,000 L
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Results are indicative for early design only. Confirm sizing with a licensed plumber, hydraulic consultant, or GRAF Australia for site-specific conditions and council requirements.
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