Glossary
Frame rate: how many pictures per second your video needs
Frame rate decides whether motion looks cinematic, clean, or hyper-smooth — and mismatched rates cause the judder beginners blame on their camera. The choice starts at shoot time and must carry through the timeline. This guide explains 24, 30, and 60fps and how to keep them consistent.
From the Mellius product team · Updated September 28, 2026
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The short answer
Frame rate is how many still images your video shows per second: 24fps looks cinematic, 30fps looks clean and neutral, 60fps looks ultra-smooth and slows down beautifully. Your timeline frame rate should match your footage to avoid judder, and higher rates mean bigger files. Choose the rate for the feeling you want, then keep every clip consistent.
It matches the feeling
The rate serves the story's motion language: filmic 24 for narrative, neutral 30 for clarity, smooth 60 for sport and slow motion.
Timeline and footage agree
Sequence settings match the dominant footage rate so no clip gets resampled into judder or duplicated frames.
Shutter speed follows along
Shutter at roughly double the frame rate keeps motion blur natural instead of smeary or strobing.
What 24, 30, and 60fps each feel like
Twenty-four frames per second is the century-old cinema standard, and its slight motion blur and gentle judder read as filmic and intentional. Thirty frames per second (and 25 in PAL regions) looks cleaner and more immediate — the neutral voice of television, vlogs, and online tutorials. Sixty frames per second captures motion with striking smoothness, which suits sports, gameplay, and any footage destined for slow motion.
Higher is not universally better. Sixty fps on a dialogue scene looks uncannily soap-opera smooth to audiences trained on 24, while 24 fps on fast sport smears the action. Frame rate is a creative dial with technical costs — bigger files, more light needed, heavier editing — so choose the rate whose motion character fits the subject, not the biggest number available.
Keeping shoot, timeline, and export in agreement
Set the timeline frame rate to match the majority of your footage before editing begins. Dropping 24fps clips into a 60fps sequence forces the editor to invent frames; squeezing 60fps into 24fps without interpretation judders. Mixed-rate projects work when you consciously conform each clip — interpreting high-rate footage as slow motion on a 24fps timeline is a feature, not a bug.
Pair frame rate with the 180-degree shutter rule: shutter speed roughly double the frame rate (1/50 for 24fps, 1/60 for 30fps, 1/120 for 60fps) for natural motion blur. Too slow a shutter smears movement; too fast makes it strobe. Lock these at shoot time, since no edit fixes wrong motion blur afterward.
Frame rate mistakes beginners make
The most common error is the accidental mix: phone clips at 30fps beside camera footage at 24fps on an auto-configured timeline, producing subtle judder nobody can name. Check every source clip's rate, pick one timeline rate deliberately, and conform the outliers. Consistency removes an entire category of mysterious quality complaints.
The second mistake is exporting at the wrong rate — particularly uploading 60fps masters for cinematic pieces, which can look jarringly smooth, or exporting 24fps for crisp tutorial screen content that needed 30 or 60. Decide the delivery rate with the same intent as the shoot rate, and preview motion on the target screen before publishing.
A practical sequence
Put it into practice
- 01
Choose the rate before shooting
Pick 24 for cinematic, 30 for clean general video, or 60 for sport and planned slow motion. Set shutter speed to roughly double the rate.
- 02
Build the timeline at that rate
Create the sequence at your chosen frame rate and conform any outlier clips deliberately — high-rate footage becomes beautiful slow motion on a 24fps timeline.
- 03
Export and preview motion honestly
Export at the intended delivery rate and watch real movement — pans, gestures, action — on the target screen. If motion strobes or smears, the rate or shutter choice needs revisiting.
Frequently asked questions
Is 30fps or 60fps better for YouTube?
Neither is universally better: 30fps suits talking heads, tutorials, and vlogs with smaller files and a neutral look, while 60fps suits gaming, sport, and anything you may slow down. YouTube handles both well. Choose by subject motion, and keep the whole project consistent.
Can I mix 24fps and 60fps footage?
Yes — this is a standard professional combination. Edit on a 24fps timeline for the cinematic base, and use the 60fps clips at 40 percent speed for smooth slow motion. Problems only arise when rates mix accidentally without conforming, producing judder.
Why does my video look choppy after export?
Chop usually means a rate mismatch: footage, timeline, and export disagreeing, or shutter speed far from the 180-degree rule. Confirm all three rates match your intent and re-export. If panning strobes at 24fps, slow the camera move — some motion simply exceeds what the rate can render.
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