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MB to GB Converter

Convert megabyte (1000 kb) to gigabyte instantly. 1 MB = 0.001 GB, worked steps and a full reference table.

Formula
GB = MB × 0.001

How to use it

  • Type the value in megabyte (1000 kb) — the result updates as you type.
  • Use Swap to flip the direction, or change either dropdown to convert between any two units.
  • Click the result to copy it. The URL updates too, so you can bookmark or share the exact conversion.

Examples

1 MB0.001 GB
5 MB0.005 GB
10 MB0.01 GB
100 MB0.1 GB

One megabyte (1000 kb) equals 0.001 gigabytes (GB). To convert megabyte (1000 kb)s to gigabytes, multiply by 0.001; to go back the other way, multiply by 1000 instead.

The converter above does it as you type and shows the working underneath, so you can check the arithmetic rather than take the number on trust.

What megabyte (1000 kb)s and gigabytes actually measure

Megabyte (1000 KB) (MB) — A megabyte is a million bytes in decimal terms. Photos, documents and mobile data allowances.

Gigabyte (GB) — A gigabyte is a billion bytes. Storage, downloads and phone plans.

MB to GB conversion table

The most common values, worked out in advance. Anything not listed can be typed straight into the converter.

MBGB
1 MB0.001 GB
2 MB0.002 GB
5 MB0.005 GB
10 MB0.01 GB
25 MB0.025 GB
50 MB0.05 GB
100 MB0.1 GB

How to convert megabyte (1000 kb)s to gigabytes by hand

Multiply the number of megabyte (1000 kb)s by 0.001.

For example, 25 MB × 0.001 = 0.025 GB.

Going the other way, divide by 0.001 — or multiply by 1000, which is the same thing and easier to do in your head.

Everything runs in your browser

There is no server involved in the calculation. The numbers you type never leave your device, nothing is logged, and the page keeps working with no connection once it has loaded. That is not a marketing line — it is simply how the tool is built, because a calculation like this has no reason to touch a network.

Questions people ask

How many GB are in 1 MB?

1 MB equals exactly 0.001 GB. Multiply any value in megabyte (1000 kb) by 0.001 to get gigabyte.

Is anything uploaded to a server?

No. The whole calculation happens in your browser. Nothing is sent anywhere, and the page keeps working offline once loaded.

Runs entirely in your browser. Nothing you type is uploaded, logged or shared.

Last updated 18 August 2026