About AquariumVol.com

A free, browser-based aquarium volume calculator and editorial hub for fishkeepers who want to get tank sizing, stocking, filtration, and heating right the first time.

Why This Site Exists

Most aquarium volume calculators on the internet are either buried inside a forum post, baked into a manufacturer site that's trying to sell you a tank, or so generic they assume every aquarium is a perfect rectangle. We built AquariumVol.com because we kept seeing the same beginner mistakes — people buying a heater for the wrong wattage, a filter that's two sizes too small, or stocking a tank based on advertised gallons rather than actual water volume after substrate displacement. Almost every one of those mistakes traces back to not knowing the tank's real water volume.

So the site starts with a single, focused tool: a fast volume calculator that gives you accurate gallons and liters from your tank dimensions, then translates that number into the equipment specifications you actually need. Around that tool we've built a library of practical, evidence-based guides covering the topics where new fishkeepers most often go wrong.

What We Do

AquariumVol.com gives you a fast, accurate way to calculate the water volume of any rectangular fish tank in U.S. gallons and liters — no downloads, no accounts, no tracking of what you enter. From that single dimension input we also generate quick estimates for substrate weight, heater wattage, and minimum filter flow (GPH) so you can plan a balanced setup in one place.

Beyond the calculator, we publish practical guides on freshwater aquarium fundamentals: stocking rules for specific tank sizes, the nitrogen cycle, filter selection (sponge vs HOB vs canister), heater placement, routine maintenance schedules, and troubleshooting cloudy-water issues. Each guide is sized to your tank's actual volume rather than vague generalities — a 10 gallon tank does not have the same maintenance schedule as a 75 gallon tank, and our content reflects that.

What Makes Our Calculator Different

Most volume calculators stop at "length times width times depth divided by 231." Ours goes further:

• Returns both U.S. gallons and liters (and Imperial gallons on request)
• Adjusts for irregular tank shapes (bow-front, hexagon, cylinder, half-moon)
• Accounts for substrate and decor displacement (typically 10 to 15 percent of nominal volume)
• Outputs derived equipment estimates — minimum filter GPH, recommended heater wattage at the standard 5W/gallon ratio, and water-change volumes at 10/20/25 percent
• Runs entirely in your browser. No data leaves your device, no account, no tracking pixel on the calculator widget

Who Operates This Site

Liquid Amber Partners LLC is an independent operator of a small portfolio of consumer tool sites. We have no relationship with any aquarium equipment manufacturer, livestock retailer, or pet-store chain, and we don't accept payment for article placements or editorial direction. The site is operator-funded; we don't take outside investment, sponsored posts, or paid product placements.

Editorial Team

Articles on AquariumVol.com are produced by the AquariumVol Editorial Team — the in-house writing and review group at Liquid Amber Partners. The team draws on long-running freshwater fishkeeping practice, established hobbyist resources (AqAdvisor, established aquarium forums, peer-reviewed water-chemistry references where applicable), and current manufacturer documentation for any product mentioned.

We don't claim individual byline credentials we can't substantiate. What we do claim is that every guide is written by someone who keeps tanks, reviewed by someone else who keeps tanks, and updated when the consensus on a topic shifts (for example, the field has moved away from "1 inch per gallon" stocking math toward bioload-based guidance, and our content reflects that).

Editorial Methodology

Every article on this site is written to help real hobbyists make real decisions about their tanks. Our process for each piece:

• Topic selection based on common questions we see in beginner forums, search queries, and reader emails — not on whatever has the highest affiliate commission.
• Reference cross-check against widely accepted fishkeeping consensus (AqAdvisor-style stocking guidance, watts-per-gallon heater benchmarks, filter turnover targets) and current manufacturer documentation.
• Concrete numbers and ranges wherever possible. We don't say "use enough filtration." We say "aim for 4 to 6 times tank volume per hour in GPH, sized up 25 to 40 percent to account for media restriction."
• Plain-language explanations of the underlying biology and chemistry, so readers can adapt the rules to situations we didn't write about specifically.
• Periodic updates when best practices change, products are discontinued, or readers point out errors. We keep a public correction log on each article that's been materially revised.
• No fabricated studies, no invented author credentials, no AI-only content. Articles may use AI tools for drafting and editing assistance, but every article is reviewed and signed off on by a human aquarist before publication.

Affiliate Disclosure Principle

Articles may link to products on Amazon and other retailers through affiliate programs (see our Privacy Policy and Terms of Service). Affiliate revenue helps keep the volume calculator free for everyone. Two principles govern how we pick what to recommend:

• Fit over commission. We recommend the product that actually suits the tank size and use case in the article — even when a higher-commission alternative exists.
• Disclosure on every link. Every article that contains affiliate links carries a visible disclosure block, and the site footer carries a global Amazon Associates notice as required by the program's terms.

If we ever recommend something we haven't personally used, we say so explicitly. If we've changed our recommendation in light of new information, the previous version stays in our edit history.

How the Site Is Funded

AquariumVol.com is funded through two sources: (1) display advertising served by Google AdSense, and (2) affiliate commissions from Amazon Associates and similar programs. We do not sell your personal information. See our Privacy Policy for detail on advertising cookies and opt-out options.

Contact Us

Questions, corrections, species-care updates, or partnership inquiries:

Liquid Amber Partners LLC
30 N Gould St Ste N
Sheridan, WY 82801, USA
Email: support@gammaflux.io