{"uid":"cap_lE6Muz5XazNLn-Y3OUm5u","slug":"video-timecode-calc-slow-motion-calculator-e4121673","name":"Video & Timecode Calc – Slow-Motion Calculator","description":"Slow-motion factor from capture and playback fps, output duration for real seconds, and capture fps needed.","url":"https://video-calc.x402tookit.com/slow-motion?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":["captureFps"],"properties":{"captureFps":{"type":"number","description":"Frame rate the camera records at"},"playbackFps":{"type":"number","description":"Timeline or playback frame rate (default 24)"},"realSeconds":{"type":"number","description":"Seconds of real action recorded, to get the playback length"},"wantedSlowFactor":{"type":"number","description":"Instead: the slow factor you want (for example 4), to get the fps to shoot"}}}},"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"]},"captureFps":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"slowFactor":{"type":["null","number"]},"playbackFps":{"type":["null","number"]},"realSeconds":{"type":["null","number"]},"speedPercent":{"type":["null","number"]},"framesRecorded":{"type":["null","number"]},"playbackSeconds":{"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_SeV1pcYXo_PnNS1Qz2gnE","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 slow-motion factor, output playback duration, and required capture frame rate for slow-motion video shoots given capture and playback fps.","exampleAgentPrompt":"I'm shooting a scene at 120fps on a 24fps timeline — what's my slow-motion factor, and if I recorded 5 seconds of real action, how long will the clip be in the edit?","exampleUseCases":[{"title":"Pre-production slow-motion planning","prompt":"I want to achieve 8x slow motion on my 25fps timeline — what frame rate do I need to shoot at with my camera?"},{"title":"Playback duration estimate for editor","prompt":"I shot 2 seconds of a splash at 240fps, and my project is 24fps — how long will that clip actually run in my timeline?"},{"title":"Verifying slow factor from camera settings","prompt":"My camera records at 180fps and my playback timeline is 30fps — what slow-motion factor does that give me, and what percentage of real speed is it?"}],"resultDescription":"Returns the computed slow-motion factor (e.g. 5x), the playback duration in seconds for a given amount of real recorded action, the number of frames recorded, the speed as a percentage, and optionally the capture fps needed to achieve a desired slow factor — all alongside the echoed input parameters.","failureModes":["Missing required captureFps parameter returns an error","Non-numeric fps values cause validation failure","playbackFps defaulting to 24 if not provided may produce unexpected results","Extremely high or low fps values outside typical camera ranges may return degraded flag","Providing both realSeconds and wantedSlowFactor simultaneously may cause ambiguous output"],"whenToPreferThis":"Choose this endpoint when you need precise mathematical slow-motion calculations for video production — specifically to determine slow factor from camera and timeline fps, estimate playback duration from real recorded seconds, or back-calculate the capture fps required for a target slow-motion effect. Prefer it over generic calculators when working with professional video frame rates and needing structured, machine-readable output including frames recorded and speed percentage.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:19:19.208Z","isFirstParty":false,"canonicalSlug":"video-timecode-calc-slow-motion-calculator-e4121673"}