Skip to content
Aquarium DIYBuild · Design · Create
AQUARIUM DIY

DIY Aquarium 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.

Explore Aquarium Ideas Browse DIY Projects
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

Explore DIY Aquarium Projects

View All Projects
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

View All Products

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.

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.