Volume Calculator

Calculate 3D volumes for rooms, tanks, containers, and construction materials in multiple shapes.

About This Calculator

Calculate volumes for rooms (HVAC sizing), tanks (liquid capacity), pools, containers, and construction materials. Supports multiple shapes and automatic unit conversions.

🧮 Volume Formulas

Box: V = L × W × H

Cylinder: V = π × r² × H

Sphere: V = (4/3) × π × r³

Cone: V = (1/3) × π × r² × H

📊 Unit Conversions

From	To	Multiply
cu ft	gallons	7.48
cu ft	liters	28.32
cu m	cu ft	35.31

💡 Use Cases

HVAC: Size AC/heating by room volume (CFM calculations)
Pools/Tanks: Calculate water capacity in gallons
Concrete: Estimate cubic yards for footings/slabs
Storage: Plan warehouse or container capacity
Aquariums: Determine water volume and filtration needs

❓ FAQ

How much CFM per cubic foot?

For HVAC, aim for 1 CFM per 1-2 sq ft of floor area, or calculate air changes per hour (ACH) based on room volume.

How many gallons in a cubic foot?

1 cubic foot = 7.48 US gallons = 28.32 liters

🔗 Related Calculators

📐 Area Calculator

Calculate 2D areas

🧱 Concrete Calculator

Estimate concrete volume

? Frequently Asked Questions

How accurate is this

This calculator uses standard formulas and provides accurate results for typical use cases. For professional or critical applications, always verify results with certified professionals or official sources.

Is this calculator free to use?

Yes, this Volume Calculator • Architecture • Calculator is completely free to use with no registration required. You can use it as many times as needed without any limitations.

Can I use this on mobile devices?

Absolutely! This calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.

How do I interpret the results?

The results are displayed clearly with appropriate units. Refer to the "About This Calculator" section for detailed information.