File Size Converter
Convert decimal and binary file-size units without mixing up MB and MiB.
Enter values
Result
About this tool
Convert between decimal units used by many storage vendors and binary units commonly used by operating systems. One MB is 1,000,000 bytes; one MiB is 1,048,576 bytes.
Results are formatted for readability while calculations retain the full conversion factor.
Frequently asked questions
Are MB and MiB the same?
No. MB uses powers of 1000, while MiB uses powers of 1024.
Can I enter a negative size?
No. Negative values are rejected because a file size cannot be negative.
Is the value saved?
No. The value is not stored.
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