{"uid":"cap_zXIbUCJgpdlFQXFgs_yhW","slug":"video-timecode-calc-frame-rate-info-1e8645bc","name":"Video & Timecode Calc – Frame Rate Info","description":"Exact fraction and frame duration of 23.976 to 60 fps, and the speed-up and runtime change when converting to another rate.","url":"https://video-calc.x402tookit.com/frame-rate-info?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":["fps"],"properties":{"fps":{"type":"string","description":"23.976, 24, 25, 29.97, 30, 48, 50, 59.94 or 60"},"toFps":{"type":"string","description":"Target rate for a straight frame-for-frame conversion (for example 25 for PAL speed-up)"},"runtimeMinutes":{"type":"number","description":"Runtime of the source in minutes, to get the converted runtime"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"fps":{"type":["null","string"]},"asOf":{"type":["null","string"]},"toFps":{"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"]},"exactFps":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"speedFactor":{"type":["null","number"]},"exactFraction":{"type":["null","string"]},"isNtscFraction":{"type":["boolean","null"]},"frameDurationMs":{"type":["null","number"]},"speedChangePercent":{"type":["null","number"]},"nominalTimecodeRate":{"type":["null","number"]},"pitchChangeSemitones":{"type":["null","number"]},"sourceRuntimeMinutes":{"type":["null","number"]},"convertedRuntimeMinutes":{"type":["null","number"]},"runtimeDifferenceSeconds":{"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_Or_pK5SyKfTKCEDHtSLgf","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 the exact fractional value, frame duration, and speed/runtime change for a given video frame rate, with optional conversion to a target rate.","exampleAgentPrompt":"What's the exact fractional fps, frame duration in milliseconds, and speed-up factor for 23.976 fps if I convert it to 25 fps PAL, for a film that's 96 minutes long?","exampleUseCases":[{"title":"PAL speed-up runtime check","prompt":"I have a 107-minute film shot at 23.976 fps. If it gets converted to 25 fps for PAL broadcast, how long will it run and how much faster will it play?"},{"title":"Frame duration for sync work","prompt":"What is the exact frame duration in milliseconds and the precise fractional fps for 29.97 fps? I need to know if it's a true NTSC fraction."},{"title":"Pitch shift on 24-to-25 conversion","prompt":"When you do a straight frame-for-frame pullup from 24 fps to 25 fps, what's the pitch change in semitones and the speed factor?"}],"resultDescription":"A JSON object containing: the exact fps as a decimal, the exact fraction (e.g. 24000/1001), whether it is an NTSC fraction, frame duration in milliseconds, the nominal timecode rate, and — when a target fps is supplied — the speed factor, speed change percent, pitch change in semitones, source runtime in minutes, converted runtime in minutes, and the runtime difference in seconds.","failureModes":["Unsupported fps value returns an error or null fields — only 23.976, 24, 25, 29.97, 30, 48, 50, 59.94, and 60 are valid","Missing required 'fps' query parameter causes a request failure","toFps without fps provided is invalid","runtimeMinutes ignored if toFps is not also provided","Network or payment (x402) failures may return a 402 or 5xx error"],"whenToPreferThis":"Choose this endpoint when you need authoritative, mathematically exact frame-rate data (true fractions, NTSC flags, millisecond durations) or when calculating the runtime and speed consequences of a frame-rate conversion (e.g. PAL speed-up). It is purpose-built for video/film/broadcast post-production math and is more precise than general-purpose calculators.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:19:57.830Z","isFirstParty":false,"canonicalSlug":"video-timecode-calc-frame-rate-info-1e8645bc"}