Use these free calculators to plan your next aquarium build — tank volume, substrate, heaters, water changes, and more.
Tools
Free calculators and practical helpers for your next aquarium project.
Aquarium Volume Calculator
Estimate the volume of a rectangular tank using its internal dimensions.
Estimated water volume14.96 US gal56.63 liters
Estimate only. Substrate, decorations and equipment reduce actual water volume; allow for glass thickness and fill height.