{"uid":"cap_IjEX9-9hnyj0DtbjV88hl","slug":"pet-care-calc-aquarium-volume-calculator-214bddd7","name":"Pet Care Calc – Aquarium Volume Calculator","description":"Aquarium volume in US gallons and litres from inside dimensions, usable water after substrate, and the water's weight.","url":"https://pet-calc.x402tookit.com/aquarium-volume?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["length","width","height"],"properties":{"unit":{"type":"string","description":"in (default) or cm"},"width":{"type":"number","description":"Inside width (front to back)"},"height":{"type":"number","description":"Inside height up to the water line you will keep"},"length":{"type":"number","description":"Inside length"},"usablePercent":{"type":"number","description":"Share of the volume that is water after substrate and decor, 50 to 100 (default 90)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"ukGallons":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"cubicInches":{"type":["null","number"]},"grossLiters":{"type":["null","number"]},"usableLiters":{"type":["null","number"]},"usablePercent":{"type":["null","number"]},"waterWeightKg":{"type":["null","number"]},"waterWeightLb":{"type":["null","number"]},"grossGallonsUS":{"type":["null","number"]},"usableGallonsUS":{"type":["null","number"]},"grossWaterWeightLb":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ekyPdIsrXed4J-ycfWWQ3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Calculates aquarium gross volume in US gallons and litres from inside tank dimensions, usable water volume after substrate/decor, and total water weight.","exampleAgentPrompt":"My aquarium's inside dimensions are 48 inches long, 18 inches wide, and 20 inches tall — assuming I keep about 85% usable water after substrate and decor, how many US gallons and litres does it hold, and how much will the water weigh?","exampleUseCases":[{"title":"New tank setup volume check","prompt":"I'm setting up a new fish tank that measures 36 inches long, 15 inches wide, and 18 inches tall inside. Assuming 90% usable water after gravel, how many gallons and litres will it hold, and how much will the water weigh in pounds?"},{"title":"Metric tank sizing for dosing","prompt":"My aquarium is 100 cm long, 40 cm wide, and 50 cm tall — can you calculate the gross and usable volume in litres and US gallons? I'll keep about 80% usable volume after substrate and decor."},{"title":"Floor load check for large tank","prompt":"I want to know how heavy my 72-inch by 24-inch by 24-inch tank will be when full of water so I can check if my floor can handle it. Assume standard 90% usable volume and give me the weight in both pounds and kilograms."}],"resultDescription":"Returns gross volume in cubic inches, US gallons, UK gallons, and litres; usable volume in US gallons and litres after applying the substrate percentage; water weight in both pounds and kilograms for both gross and usable volumes; plus the usable percent applied.","failureModes":["Missing required dimension parameters (length, width, height) returns an error","Non-numeric dimension values cause a validation failure","usablePercent outside the 50–100 range may be rejected or clamped","Invalid unit value (not 'in' or 'cm') may cause unexpected results","Payment failure (x402) blocks the request before any calculation"],"whenToPreferThis":"Choose this endpoint when you need a quick, accurate aquarium volume and water weight calculation from inside tank dimensions, especially when you want to account for substrate and decor displacing water. It's ideal for pet care agents, aquarium setup workflows, or dosing calculators that need both US and metric volume figures in one call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:34:53.859Z","isFirstParty":false,"canonicalSlug":"pet-care-calc-aquarium-volume-calculator-214bddd7"}