Aquarium DIY Projects, Plans, Guides

Build it, design it, and make it yours. Step-by-step projects, downloadable plans, aquascaping ideas, and practical guides for freshwater and saltwater aquariums.

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Step-by-Step DIY ProjectsReal builds and clear instructions Downloadable PlansLayouts, builds, and printables Design & Aquascaping IdeasBeautiful, practical tank designs Free Tools & CalculatorsPlan, size and budget your setup

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DIY Aquarium StandA sturdy, custom-sized stand for your setup

DIY Aquarium SumpExplore filtration design and components

DIY Aquarium BackgroundAdd depth and a natural-looking finish

DIY LED Light HoodPlan lighting for a brighter tank

Aquarium Design Ideas

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20-Gallon Planted Aquarium Designs

Aquascaping layouts and plant inspiration.

Aquarium Stand Designs

Ideas for beautiful aquarium cabinetry.

Aquarium Setup Planning

Organize a beautiful, functional setup.

FREE AQUARIUM TOOLS

Plan your tank with confidence.

A practical calculator for estimating water volume before choosing equipment and planning your layout.

Explore free tools

Aquarium Volume Calculator

Estimate the volume of a rectangular tank using its internal dimensions.

Length Width Water height Dimensions in

Estimated water volume

14.96 US gal 56.63 liters

Estimate only. Substrate, decorations and equipment reduce actual water volume; allow for glass thickness and fill height.