Caption reading speed calculator
Calculate characters per second for one caption at your chosen duration.
- Free
- No account
- Runs in your browser
Above 20 characters per second, a caption is hard to read on a phone.
Runs on your device. Nothing is uploaded.
Your result
Type your numbers, then press Calculate.
Checking caption speed?
Studio keeps captions short and timed to your voice, on the video and on every clip.
How to use the caption reading speed calculator
- Type your numbersEach box says which unit it wants.
- Press CalculateThe answer shows with the method, so you can check it.
- Keep the answerDownload it as a short text file to keep with your project.
Before you start
How is it worked out?
The method is shown under each answer, so you can check the sum yourself.
Is anything uploaded?
Calculations run on your device. Estimates use the inputs you enter; they are not measurements of an actual upload or export.
How exact is it?
As exact as the numbers you type. Real files and connections vary a little.
Is it free?
Yes, with no account. Copy or download the answer as often as you like.
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Guides for this task
All articlesSkip the planning and send the recording.
Upload the raw recording. Studio cuts the ums, retakes and long pauses, adds captions and makes short clips. 30 free minutes, no card.