KB to MB Converter

Convert kilobytes to megabytes for file sizes, upload limits and attachments.

FreeNo sign-upRuns in your browserMobile-friendly

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What does the KB to MB Converter do?

Online forms often limit uploads to sizes like “500 KB” or “2 MB”. In decimal units 1 MB = 1,000 KB, so a 750 KB image is 0.75 MB. In binary units 1 MiB = 1,024 KiB. Type in either box; the other updates instantly.

How to use the KB to MB Converter

  1. Choose decimal or binary.
  2. Enter KB (or MB to convert back).
  3. Check the result and quick reference table.

Examples

Upload limit

A form allows 2 MB; your 1,850 KB file is 1.85 MB, so it fits.

Common use cases

  • Checking attachment and upload limits
  • Image and document sizes
  • Website performance budgets

Features and benefits

  • Private by design — your data is processed on your device and never uploaded.
  • Free with no account, no watermark and no usage limits.
  • Works on phones, tablets and desktops in any modern browser.

Limitations to know

  • Operating systems may display sizes with different conventions.

Helpful guides

Frequently asked questions

How many KB in an MB?

1,000 KB (decimal) or 1,024 KiB (binary).

Is 500 KB half an MB?

Yes, in decimal units.

My file is too big — what can I do?

Use the Image Compressor or Image Resizer to reduce image sizes.

Embed this tool on your website

Add the free KB to MB Converter to your blog or website. Paste the code into your page’s HTML; the tool runs in your visitors’ browsers and stays up to date automatically. Please keep the credit line below the tool.

Free to use on any website. The tool runs inside an iframe served from viptools.pk; nothing your visitors type is sent to your site or ours. Preview the embedded version.

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