Scenario 1
Phone storage
256 GB = 262,144 MB = 0.25 TB = 2.199 × 10¹² bits.
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Data Storage Converter
Convert any file or storage size between all units instantly.
Adjust your inputs
Results update instantly as you type or drag.
0 – 1,000,000,000
Quick insights
Terabytes (TB)
0
Bytes
107,374,182,400
Bits
858,993,459,200
Quick answer
How many megabytes in a gigabyte?
1 GB = 1,024 MB (binary) or 1,000 MB (decimal/SI). Hard drive manufacturers typically use decimal, operating systems use binary.
How it works
From inputs to result in four steps
A quick walkthrough of what this calculator does behind the scenes.
- 1
Enter your value in gigabytes (GB).
- 2
See equivalents in all common units.
Formula
The math behind the number
No black box — here's exactly how the result is computed.
Conversion factors (binary, from GB)
1 GB = 1024 MB
1 GB = 1,048,576 KB
1 GB = 1,073,741,824 bytes
1 GB = 8,589,934,592 bits
1 TB = 1024 GBExamples
Real-world scenarios
See how the numbers play out for typical use cases.
Scenario 2
File size
1.5 GB video = 1,536 MB = 12,884,901,888 bits.
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