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mb to gb Converter

Convert MB to GB and back — 1 GB = 1,024 MB. Free, instant, no sign-up, full working shown.

Convert MB ⇄ GB

2 GB
2048 MB = 2 GB (1 GB = 1,024 MB (binary convention))

Formula: 2048 MB ÷ 1024 = 2 GB

How the mb to gb converter conversion works

The converter applies GB = MB ÷ 1024. Going the other way, MB = GB × 1024. This is the binary convention used by most converters and operating systems; note that drive manufacturers usually quote decimal gigabytes (1 GB = 1,000 MB), which is why a sold-as-1-TB drive shows about 931 GB on your computer.

Worked example: a 2048 MB video file is 2048 ÷ 1024 = 2 GB, and a 500 MB download is 500 ÷ 1024 = 0.4883 GB.

For the next steps on the ladder, use our KB to MB converter and GB to TB converter; for connection speeds, the Mbps to MB/s converter.

mb to gb converter questions

How many GB are in 2048 MB?
2 GB — 2048 ÷ 1024 = 2.
How do I convert MB to GB?
Divide by 1024: GB = MB ÷ 1024. So 500 MB is 500 ÷ 1024 = 0.4883 GB.
How do I convert GB back to MB?
Multiply by 1024: MB = GB × 1024. So 5 GB is 5 × 1024 = 5120 MB.
Is 1000 MB the same as 1 GB?
Only in decimal (SI) usage, where drive makers quote 1 GB = 1,000,000,000 bytes. This converter uses the binary convention most converters use — 1 GB = 1024 MB — and says so on every result.
Why does my 1 TB drive show about 931 GB?
The drive is sold in decimal terabytes (1,000,000,000,000 bytes) while your system measures in binary units, where 1 TB = 1024 GB. The bytes are all there — the two yardsticks just differ.

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Sources & official guidance

Estimate only — this converter uses the binary convention (1 GB = 1,024 MB); drive makers often quote decimal gigabytes. See our disclaimer.