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1,500 litres

1,500 litre water tank: capacity & sizing

1,500 L = 396 US gallons = 1.5 m³. Full weight ≈ 1,500 kg of water.

Cylindrical dimensions that hold 1,500 L (geometry, brim-full)
DiameterRequired height
0.90 m dia2.36 m tall
1.10 m dia1.58 m tall
1.30 m dia1.13 m tall
Days of supply at 135 lpcd (IS 1172 norm)
HouseholdCoverage
Family of 33.7 days
Family of 42.8 days
Family of 52.2 days
Family of 61.9 days

Manufactured polyethylene tanks of this rating vary in actual dimensions by brand and layer count — the table above is pure geometry so you can sanity-check any spec sheet. Verify your tank's measurements with the litres calculator, and size against your household with the IS 1172 sizing tool.

FAQ

How many gallons is a 1500 litre tank?

396 US gallons (330 imperial gallons).

How long does 1,500 litres last a family of four?

About 2.8 days at the IS 1172 norm of 135 litres per person per day.

How much does a full 1500 litre tank weigh?

About 1,500 kg of water alone — design the slab or staging for it.