Angelfish Tank Volume Calculator

What is the Angelfish Tank Volume Calculator?

The Angelfish Tank Volume Calculator converts tank length, width and height into total water volume for angelfish setups. Undersized housing is one of the most common and most fixable welfare problems in pet keeping, it affects everything from stress levels to exercise to litter/waste management.

A well-cared-for angelfish usually lives somewhere between 8 and 10 years. Diet-wise they are an omnivore, which shapes almost every feeding decision you make. Angelfish are tall-bodied cichlids needing a deep tank of at least 110 liters, not a standard shallow one. They become territorial as they pair off and will eat small tankmates such as neon tetras. The usual suspects for this species are hole-in-the-head disease, ich, fin rot, so any noticeable change is worth following up.

How does the Angelfish Tank Volume Calculator work?

The recommendation is based on published care-guide minimums for angelfish, scaled to the animal's current or expected adult size. Individual angelfish vary more than averages suggest, so read the number as a reference point rather than a measurement.

Factors that matter

• Adult size: housing should be sized for the animal's full-grown dimensions, not its current size if still young
• Number of animals being housed together, since space needs don't simply divide evenly
• Activity level and natural behavior, such as climbing, digging or swimming space
• Whether the space is temporary (travel/carrier) or permanent (everyday housing)

How do you use the Angelfish Tank Volume Calculator?

1. Enter the tank length in whichever unit you use (in, ft, cm)
2. Enter the tank width in whichever unit you use (in, ft, cm)
3. Enter the water depth or tank height in whichever unit you use (in, ft, cm)
4. Press Calculate, then read the result alongside the sources listed below

Worth doing: jot down the date and the result each time. A single number tells you little, but a trend across a few months tells you a lot about your angelfish.

For related questions, see the other housing tools or browse every angelfish tool.

Before you rely on this

Two angelfish with identical numbers on paper can still need different care. Breed or line, body condition, activity level and any existing health conditions all pull the real answer away from the average. If your angelfish has a diagnosed condition, is pregnant, or is very young or very old, treat the figure here as the loosest of guides and let your vet set the actual target.