{"uid":"cap_2fNDhJJOeAPhvWOTsbWes","slug":"publishing-calc-silent-reading-time-26162ff2","name":"Publishing Calc – Silent Reading Time","description":"Silent reading time for a word count at your words-per-minute (default 238), as minutes and hours:minutes:seconds.","url":"https://publishing-calc.x402tookit.com/reading-time?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":["words"],"properties":{"wpm":{"type":"number","description":"Reading speed in words per minute (default 238, a silent-reading average for adult non-fiction)"},"words":{"type":"number","description":"Word count of the text"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"hours":{"type":["null","number"]},"words":{"type":["null","number"]},"source":{"type":["null","string"]},"minutes":{"type":["null","number"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"clockTime":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"minutesRoundedUp":{"type":["null","number"]},"wordsPerMinuteUsed":{"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_ZfIPKdM86qQUSzEC_ceFI","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 the silent reading time for a given word count at a specified words-per-minute rate, returning results as minutes and as hours:minutes:seconds.","exampleAgentPrompt":"How long will it take to silently read a 7,500-word article if I read at 250 words per minute? Give me the time in minutes and hours:minutes:seconds.","exampleUseCases":[{"title":"Blog post reading time estimate","prompt":"I've written a blog post that's 1,800 words — how long will it take the average reader to get through it silently? Just use the default reading speed."},{"title":"Book chapter read-time for editor","prompt":"My chapter is 12,400 words and my editor reads at about 300 words per minute. How long will it take her to read it in hours and minutes?"},{"title":"Newsletter length check","prompt":"I want to keep my newsletter under a 5-minute read. It's currently 1,050 words at a default reading speed — does it fit, and exactly how long is it?"}],"resultDescription":"Returns the word count used, words-per-minute rate applied, total reading time as a decimal minutes value, minutes rounded up to the nearest whole minute, and a formatted clock time string (H:MM:SS). Also includes a human-readable summary and optional disclaimer or degraded-service flags.","failureModes":["Missing required 'words' query parameter returns an error","Non-numeric or negative word count may produce invalid results","Extremely low or zero WPM values may cause division errors","Network or payment (x402) failure prevents any response"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic calculation of silent reading time from a word count, especially in publishing, content, or editorial workflows. It is purpose-built for books, articles, newsletters, and manuscripts — with a default WPM calibrated to adult non-fiction silent reading (238 WPM). Prefer it over general-purpose LLM estimates when you need consistent, reproducible reading-time figures.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:11:27.256Z","isFirstParty":false,"canonicalSlug":"publishing-calc-silent-reading-time-26162ff2"}