{"uid":"cap_BcqI53w1_b-P9LD4cESqL","slug":"publishing-calc-standard-us-trade-book-trim-sizes-1fbdfbd5","name":"Publishing Calc – Standard US Trade Book Trim Sizes","description":"Standard US trade book trim sizes in inches and mm, or look up one size like 6x9 and its closest standard.","url":"https://publishing-calc.x402tookit.com/trim-sizes?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":[],"properties":{"size":{"type":"string","description":"A size like 6x9 or 5.5x8.5 (inches, width x height); omit for the whole table"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"match":{"type":["null","object"],"properties":{"use":{"type":["null","string"]},"size":{"type":["null","string"]},"widthIn":{"type":["null","number"]},"widthMm":{"type":["null","number"]},"heightIn":{"type":["null","number"]},"heightMm":{"type":["null","number"]}}},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"aspectRatio":{"type":["null","number"]},"nearestStandard":{},"requestedWidthIn":{"type":["null","number"]},"requestedWidthMm":{"type":["null","number"]},"requestedHeightIn":{"type":["null","number"]},"requestedHeightMm":{"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_ReejnayKQjl-4fv-fTpXc","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":"Returns a table of standard US trade book trim sizes in inches and mm, or looks up a specific size and its nearest standard equivalent.","exampleAgentPrompt":"What are all the standard US trade book trim sizes in inches and mm, and is 5.5x8.5 a recognized standard — if not, what's the closest one?","exampleUseCases":[{"title":"Validating a custom book trim size","prompt":"I'm planning to print a book at 5.25x8 inches — is that a recognized US trade trim size, and if not, what's the closest standard I should use instead?"},{"title":"Choosing a trim size for a new novel","prompt":"Can you show me all the standard US trade book trim sizes so I can pick the right one for my novel? I want to see both inches and millimeters."},{"title":"Confirming trim size for a print-on-demand order","prompt":"My print-on-demand service needs a standard trim size — I was thinking 6x9. Can you confirm that's a real standard and tell me its exact dimensions in mm too?"}],"resultDescription":"Returns either the full list of standard US trade book trim sizes (with width and height in both inches and mm, and the use/category label for each), or — when a specific size like '6x9' is queried — returns that size's details plus its nearest standard match, aspect ratio, and match reasoning.","failureModes":["Malformed size string (e.g. missing 'x', non-numeric values) may return an error or null match","A size wildly outside standard ranges may return no nearest match or a low-confidence match","Network or payment (x402) failures result in no response"],"whenToPreferThis":"Use this endpoint when you need authoritative US trade book trim size data, want to validate whether a specific width×height is a recognized standard, or need to find the closest standard to a custom size — especially when building publishing workflows, print-on-demand tools, or book formatting assistants.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T21:29:12.437Z","isFirstParty":false,"canonicalSlug":"publishing-calc-standard-us-trade-book-trim-sizes-1fbdfbd5"}