How does the Tank Volume Calculator work?

Cylindrical: V = π × r² × h Then: Rectangular: V = L × W × H Then: Oval (elliptical): V = π × a × b × h (a,b = semi-axes) Then: Conical: V = (1/3) × π × r² × h.

Can you give an example of how to use the Tank Volume Calculator?

Example: Input Cylinder tank r=0.5 m · h=2 m gives a result of Volume = π × 0.25 × 2 ≈ 1.57 m³ ≈ 1,570 litres.

Is the Tank Volume Calculator free to use?

Yes — completely free with no registration, download, or subscription required. All calculations happen instantly in your browser.

How accurate is the Tank Volume Calculator?

Our Tank Volume Calculator uses verified mathematical formulas and is accurate to multiple decimal places. Results are calculated in real-time using the same methods used by professionals.

Thực tế

Tank Volume Calculator

Radius (in)

Height (in)

Fill level % (optional)

A tank volume calculator finds the volume of cylindrical, rectangular, oval, or conical tanks. Volume determines storage capacity for water, fuel, chemicals, or septic systems. Results are given in gallons, liters, and cubic feet.

Tank type	Typical size	Volume
Residential water heater	40–80 gallon	151–302 L
Residential propane	120–1000 gallon	454–3,785 L
Septic tank (family)	1,000–1,500 gallon	3,785–5,678 L
Swimming pool (avg)	10,000–20,000 gal	37,854–75,708 L
Oil barrel	42 US gallons	159 L
Fuel tanker truck	5,000–11,000 gal	18,927–41,639 L

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Pro Tip

For partially filled tanks: multiply total volume by the fill fraction. A cylindrical tank 70% full: V_filled = 0.70 × π × r² × h. For accurate measurement of a lying horizontal cylinder, the formula is more complex — use a tank strapping chart.

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Did You Know?

The world's largest oil storage tank (Juaymah, Saudi Arabia) holds 160 million barrels of crude oil — enough to supply the entire world's daily oil consumption for more than 1.5 days.

References

›Tank (container) — Wikipedia

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Tank Volume Calculator

Tank Volume Calculator

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Common Tank Sizes

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