Water Tank Calculator
Calculate tank volume from dimensions in any unit - or find the right tank size for your UAE property. Free tool by Khazzan.ae.
Select Tank Shape
Enter Dimensions
Inner diameter of the tank
Inner height of the tank
Volume Result
Total Tank Volume
1,696.5 L
Volume at 100% Fill
1,696.5 L
L
1,696.5
USG
448.16
UKG
373.17
m³
1.7
ft³
59.91
How the Volume Calculator Works
Vertical Cylinder
Volume = π × (Diameter/2)² × Height
Horizontal Cylinder
Partial fill uses the circular segment formula: area = r²·arccos((r−h)/r) + (r−h)·√(2rh−h²), then × Length
Rectangular / Cuboid
Volume = Width × Depth × Height
Oval / Elliptical Cylinder
Volume = π × (Width/2) × (Height/2) × Length
All calculations use inner dimensions. Results are in net volume. Allow 10 - 15% headspace in practice for water expansion and maintenance access.
Quick Reference - Common Tank Sizes
| USG | Litres | m³ | Typical Use |
|---|---|---|---|
| 100 USG | 379 L | 0.38 m³ | Studio / 1-bed apartment |
| 200 USG | 757 L | 0.76 m³ | 2 - 3 bed apartment |
| 300 USG | 1,136 L | 1.14 m³ | Small villa |
| 500 USG | 1,893 L | 1.89 m³ | 3 - 4 bed villa |
| 1,000 USG | 3,785 L | 3.79 m³ | Large villa / townhouse |
| 2,000 USG | 7,571 L | 7.57 m³ | Commercial building |
| 3,000 USG | 11,356 L | 11.36 m³ | Hotel / school |
| 6,000 USG | 22,712 L | 22.71 m³ | Labour camp / factory |
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