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Water tank capacity, in litres.

Everything on this page works metric-first: dimensions in centimetres or metres, results in litres, with IS 1172-based household sizing for Indian homes. (US-unit versions of every calculator live on the main calculator.)

Calculators

METRICTVC-201

Tank Capacity in Litres

Any shape, cm/m input, litres-first output.

 TVC-202

Household Tank Sizing

Persons × days × lpcd, per IS 1172.

 TVC-203

Septic Tank Size

US (bedrooms) and India (users) modes.

 TVC-204

Rainwater Harvesting

Roof area × rainfall × runoff.

Standard sizes

500 L

500 Litre Water Tank

132 US gal · ~500 kg full

750 L

750 Litre Water Tank

198 US gal · ~750 kg full

1000 L

1,000 Litre Water Tank

264 US gal · ~1000 kg full

1500 L

1,500 Litre Water Tank

396 US gal · ~1500 kg full

2000 L

2,000 Litre Water Tank

528 US gal · ~2000 kg full

3000 L

3,000 Litre Water Tank

793 US gal · ~3000 kg full

5000 L

5,000 Litre Water Tank

1,321 US gal · ~5000 kg full

Sizing by family

SIZING

Family of 3

405 L/day at the 135 lpcd norm

SIZING

Family of 4

540 L/day at the 135 lpcd norm

SIZING

Family of 5

675 L/day at the 135 lpcd norm

SIZING

Family of 6

810 L/day at the 135 lpcd norm

Guides

GUIDE

How many litres per person per day?

 GUIDE

Overhead vs underground tanks

 GUIDE

How to calculate tank capacity in litres