Tools

Aquarium volume calculator

Estimate aquarium capacity from length, width, and height. Switch between metric or imperial dimensions and get the volume in liters, US gallons, or UK gallons.

Use the inner measurements of your aquarium for the most accurate estimate.

Length (cm)Width (cm)Height (cm)

Length unitVolume unit

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Aquarium substrate calculator

Calculate substrate volume and bag count for sloped layouts.

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Nitrate & phosphate ratio calculator

Compare nitrate and phosphate against common presets.

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Explore volume, substrate, lighting, and dosing helpers.

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