Data Storage Converter
Convert between bits, bytes, KB, MB, GB, TB, and PB
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About Data Storage Converter
How many megabytes are in a gigabyte? Is a terabyte 1,000 or 1,024 gigabytes? And what even is a gibibyte? The Data Storage Converter answers all of these questions instantly, converting between every common digital storage unit so you never have to second-guess capacity calculations again.
The Units This Tool Covers
From the smallest to the largest: bits, bytes, kilobytes (KB), megabytes (MB), gigabytes (GB), terabytes (TB), petabytes (PB), and their binary counterparts - kibibytes (KiB), mebibytes (MiB), gibibytes (GiB), tebibytes (TiB). Enter a value in any unit and see the equivalent across all others.
The Decimal vs. Binary Confusion
This is the single biggest source of confusion in data storage. Hard drive manufacturers use decimal (base-10) units: 1 TB = 1,000 GB = 1,000,000 MB. Operating systems historically use binary (base-2) units: 1 TiB = 1,024 GiB = 1,048,576 MiB. That is why a "500 GB" hard drive shows up as roughly 465 GB in Windows - the drive uses decimal gigabytes while the OS displays binary gibibytes.
The data storage converter handles both systems clearly, showing you the decimal and binary equivalents side by side so you understand exactly what you are looking at.
Who Needs This Tool
IT professionals work with storage units daily. Sizing a server, planning backup storage, estimating cloud costs, and configuring RAID arrays all require precise unit conversions. Getting the maths wrong by a factor of 1,024 vs. 1,000 can mean ordering the wrong amount of storage.
Software developers deal with file sizes, memory allocation, database sizing, and API payload limits. Knowing that a 5 MB upload limit means 5,242,880 bytes (binary) or 5,000,000 bytes (decimal) depends on how the server interprets the limit.
Cloud engineers estimating costs on AWS, Azure, or GCP need accurate storage calculations. Cloud pricing is typically per GB-month, and the difference between decimal and binary gigabytes adds up at scale.
Content creators working with video, photography, and audio files need to understand how many photos fit on a memory card, how much video a hard drive can hold, or whether a file is small enough to email. Quick conversions between MB and GB help with everyday decisions.
Students in computer science courses encounter these conversions in assignments about memory addressing, file systems, and networking. Understanding the difference between bits and bytes alone trips up many beginners - there are 8 bits in 1 byte, so a 100 Mbps internet connection transfers roughly 12.5 MB per second, not 100.
Consumers buying devices want to understand what they are getting. A phone with 128 GB of storage - is that enough for your photo library? If your photos average 4 MB each, that is roughly 32,000 photos. The converter helps you think in practical terms.
Bits vs. Bytes - The Other Common Trap
Internet speeds are measured in bits per second (Mbps, Gbps), while file sizes are measured in bytes (MB, GB). A 100 Mbps connection does not download a 100 MB file in one second - it takes about eight seconds, because 8 bits = 1 byte. This tool makes that conversion explicit.
Always Accurate, Always Private
The Data Storage Converter processes everything in your browser. No data is sent anywhere. Whether you are planning a server migration or figuring out how many songs fit on your phone, the answer is one input away.