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Data Storage Converter

Convert between data storage units: bytes, KB, MB, GB, TB, and binary units.

Decimal units (KB, MB, GB, TB, PB) use powers of 1000. Binary units (KiB, MiB, GiB) use powers of 1024.

1000

1 GB = 1000 MB

Quick Reference Table
UnitDecimalBinary
1 Byte8 bits8 bits
1 KB1,000 bytes—
1 KiB—1,024 bytes
1 MB1,000,000 bytes—
1 MiB—1,048,576 bytes
1 GB1,000,000,000 bytes—
1 GiB—1,073,741,824 bytes
1 TB1,000,000,000,000 bytes—
1 PB1,000,000,000,000,000 bytes—

How to Use Data Storage Converter

1

Select storage units

Choose the source and target data storage units. Both decimal (KB, MB, GB) and binary (KiB, MiB, GiB) units are available.

2

Enter the value

Type the storage amount you want to convert. The result updates instantly in real time as you type.

3

Copy or swap the result

Copy the converted value to your clipboard, or click swap to reverse the conversion direction.

About Data Storage Converter

Data storage converter online — convert bytes to megabytes, GB to TB, and between all digital storage units instantly for free. Supports both decimal (KB, MB, GB, TB, PB) and binary (KiB, MiB, GiB, TiB, PiB) standards used by different operating systems and storage manufacturers. Understand why your hard drive shows less space than advertised. Ideal for IT professionals, cloud storage planning, and file size calculations. No signup, no ads — runs entirely in your browser.

Key Features

  • Convert between all digital storage units including bits, bytes, KB, MB, GB, TB, PB, and their binary equivalents (KiB, MiB, GiB, TiB)
  • Support for both decimal (SI) and binary (IEC) standards to match how different systems report storage
  • Real-time bidirectional conversion updates results instantly as you type any storage value
  • Quick reference table explaining the difference between decimal and binary storage units
  • One-click unit swap to quickly reverse conversion direction between any two storage units
  • 100% free and private — all data storage calculations happen in your browser with no data collection

Frequently Asked Questions

How to convert bytes to megabytes online?▾
Enter the bytes value and select MB as the target. 1 MB equals 1,000,000 bytes (decimal) or 1,048,576 bytes (binary MiB). Our converter supports both standards.
How to convert GB to MB?▾
Select GB as source and MB as target. 1 GB equals 1,000 MB in decimal. In binary, 1 GiB equals 1,024 MiB.
How to convert TB to GB?▾
Enter the TB value and select GB. 1 TB equals 1,000 GB. Useful for understanding hard drive and cloud storage capacity.
How to understand the difference between KB and KiB?▾
KB (kilobyte) equals 1,000 bytes using the decimal SI standard. KiB (kibibyte) equals 1,024 bytes using the binary IEC standard. Hard drives use decimal; RAM uses binary.
How to find out why my hard drive shows less space than advertised?▾
Manufacturers use decimal (1 TB = 1,000,000,000,000 bytes), but Windows displays binary (1 TiB = 1,099,511,627,776 bytes). A 1 TB drive shows about 931 GiB in Windows.
How to convert MB to GB for cloud storage?▾
Select MB as source and GB as target. 1,000 MB equals 1 GB in decimal. Use this to calculate how much cloud storage your files need.
How to convert bits to bytes?▾
Enter the bits value and select bytes. 8 bits equals 1 byte. This is the fundamental relationship in digital data storage.
How to convert PB to TB for enterprise storage?▾
Select PB as source and TB as target. 1 petabyte equals 1,000 terabytes. Used for enterprise and data center storage planning.