DATA STORAGE CONVERSION

Gigabyte to Megabyte.

Convert gigabyte (GB) to megabyte (MB), with the math explained.

Data storage converter
GB
1,000MB
THE RESULT

1 GB = 1,000 MB

Calculated in your browserFormula & conversion table

1 kB = 1,000 bytes; 1 KiB = 1,024 bytes. Lowercase b means bit; uppercase B means byte.

THE MATH, MADE SIMPLE

How to convert gigabyte to megabyte

Multiply your gigabyte value by 1,000 to get the equivalent in megabyte. Both units are normalized through the byte.

CONVERSION FORMULAMB = GB × 1,000
WORKED EXAMPLE

10 GB = 10,000 MB

Result rounded to 12 significant digits. Change the precision in the calculator to suit your task.

1 kB = 1,000 bytes; 1 KiB = 1,024 bytes. Lowercase b means bit; uppercase B means byte.

QUICK REFERENCE

GB to MB conversion table

Reverse
Gigabyte (GB)Megabyte (MB)
1 GB1,000 MB
2 GB2,000 MB
5 GB5,000 MB
10 GB10,000 MB
20 GB20,000 MB
50 GB50,000 MB
100 GB100,000 MB
500 GB500,000 MB
1,000 GB1,000,000 MB
GB

About the gigabyte

The gigabyte (GB) is a unit of data storage. One gigabyte equals 1,000,000,000 byte (base unit) in this calculator.

All gigabyte conversions
MB

About the megabyte

The megabyte (MB) is a unit of data storage. One megabyte equals 1,000,000 byte (base unit) in this calculator.

All megabyte conversions

Common questions

What is 1 GB in MB?

One gigabyte equals 1,000 MB. Use the formula above for other values.

Why might another calculator show a different last digit?

Calculators may round at different stages or use different unit conventions. We keep full JavaScript numeric precision during calculation and round only for display. Choose up to 15 significant digits. Check US versus UK units and the notes for this category.

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