3,000 litres
3,000 litre water tank: capacity & sizing
3,000 L = 793 US gallons = 3.0 m³. Full weight ≈ 3,000 kg of water.
| Diameter | Required height |
|---|---|
| 0.90 m dia | 4.72 m tall |
| 1.10 m dia | 3.16 m tall |
| 1.30 m dia | 2.26 m tall |
| Household | Coverage |
|---|---|
| Family of 3 | 7.4 days |
| Family of 4 | 5.6 days |
| Family of 5 | 4.4 days |
| Family of 6 | 3.7 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 3000 litre tank?
793 US gallons (660 imperial gallons).
How long does 3,000 litres last a family of four?
About 5.6 days at the IS 1172 norm of 135 litres per person per day.
How much does a full 3000 litre tank weigh?
About 3,000 kg of water alone — design the slab or staging for it.