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Video Size Calculator

Video Size Calculator

by Takeshi Kayahashi

3 ratings
3 reviews
🔧 Utilities
📷 Photo & Video
$1.99

Details

  • Released
  • Updated
  • March 17, 2016
  • October 27, 2025

Features

Developer

Takeshi Kayahashi
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Video Size Calculator screenshot #1 for iPhone
Video Size Calculator screenshot #2 for iPhone
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About

This tool helps you estimate video file sizes based on resolution, frame rate, and duration. It supports various units for easy conversion and allows for custom size inputs.

✓Calculate approximate file capacity
✓Supports standard resolutions (HD, DVD)
✓Custom size calculations
✓Converts between GB, MB, KB, and bytes
✓Input for total video time
✓Selectable FPS
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What's New in Video Size Calculator

2.0

October 27, 2025

- iOS26 support.

User reviews

Most RecentHighest RatedLowest Rated

DON’T BUY

It’s not accurate at all, I put in the numbers and it ended with 26 GB, the actual video was 7 GB.
Zombiemain1Zombiemain1

Response from developer

Please tell me the settings of the video you want to calculate.

DOMO ARIGATOO!

Thanks very much for making this app so simple yet accurate. It is good to know how large video files will be as I switch between 4k DCI @ 100 or 200 mbps and FHD slo-mo at 200 mbps. (I know to add “000” to the amout in the “kbps” field, though maybe that ought to be measured in mbps?) The “4k” field already shows the DCI dimensions, and I appreciate the lack of clutter that a scrolling menu of frame sizes - not to mention of codecs and so forth - would impose.
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ThreeMikesThreeMikes

Works now well

A bit tricky for the first use, but works now well. Need to press twice to select frame rate..
Editor 79Editor 79

Response from developer

Thank you. You can select “Custom” and enter the frame rate in the text field.

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FAQ

What is Video Size Calculator?

Video Size Calculator is a utility app designed to estimate the approximate file size of videos. It helps users understand how much storage space a video will occupy based on its technical specifications.

How accurate is Video Size Calculator?

The app provides an approximate file capacity. It's important to note that the capacity of the sound source is not included in the calculation, and the results are estimations.

What video parameters can I input into Video Size Calculator?

You can input the total time of the video (hours, minutes, seconds) and select the FPS (frames per second). The app also supports standard resolutions like full high-definition and DVD size, as well as custom size inputs.

Can Video Size Calculator convert units?

Yes, the calculated capacity can be displayed in GB, MB, KB, and bytes. You can switch between these units without needing to recalculate.

Does Video Size Calculator have ads?

No, Video Size Calculator does not contain advertisements. It is a paid application.

What devices does Video Size Calculator support?

Video Size Calculator is available for iPhone and iPod devices. It was last updated on October 27, 2025, with version 2.0.

What is the price of Video Size Calculator?

Video Size Calculator is a paid app priced at $1.99. There are no in-app purchases available.

What is the age rating for Video Size Calculator?

Video Size Calculator has an age rating of 4+. This indicates it is suitable for users aged 4 and above.