Home Patio Paver Calculator Tank Volume Calculator

Tank Volume Calculator – Calculate Liquid Capacity in Gallons & Liters

Quickly calculate the total liquid capacity of rectangular and cylindrical tanks. Ideal for aquariums, household water tanks, rainwater harvesting systems and fuel containers. Convert cubic dimensions into gallons and liters instantly.

Tank volume results appear here

Note: Calculation shows full capacity. Leave space for expansion when filling liquid tanks.

Tool Features

Support rectangular and cylindrical tank types
Output volume in US Gallons and Liters
Perfect for fish aquariums, rain tanks, water storage
Simple inch-based dimension input
Useful for hobbyists, farmers and industrial planning

Typical Applications

Aquarium fish tank gallon calculation
Rainwater collection storage tanks
Portable water and diesel fuel containers
Irrigation system water storage planning

Frequently Asked Questions

Q: Can I use this calculator for partial liquid levels?

A: This tool calculates full tank volume. Partial liquid volume calculation requires additional level measurement data.

Q: What is the difference between US gallon and imperial gallon?

A: This calculator uses US liquid gallons, the standard measurement for USA home and industry projects.