Data Units Calculator

bitkilobit kibibitmegabitmebibitgigabitgibibitterabittebibitpetabitpebibitbytekilobytekibibytemegabytemebibytegigabytegibibyteterabytetebibytepetabytepebibyteCD 74 minutes / 650 MBCD 80 minutes / 700 MBDVD-5 (SingleSide/SingleLayer)DVD-9 (SingleSide/DoubleLayer) (DVD-9)DVD-10 (DoubleSide/SingleLayer) (DVD-10)DVD-18 (DoubleSide/DoubleLayer) (DVD-18)Blu-ray disc (single layer) (BD-SL)Blu-ray disc (double layer) (BD-DL)Jaz 1GBJaz 2GB -------- exabitexbibitzettabitzebibityottabityobibitMore units -------- nibbleworddouble-wordquadruple-wordblockbitkilobitkibibitmegabitmebibitgigabitgibibitterabittebibitpetabitpebibitbytekilobytekibibyte megabytemebibytegigabytegibibyteterabytetebibytepetabytepebibyteCD 74 minutes / 650 MBCD 80 minutes / 700 MBDVD-5 (SingleSide/SingleLayer)DVD-9 (SingleSide/DoubleLayer) (DVD-9)DVD-10 (DoubleSide/SingleLayer) (DVD-10)DVD-18 (DoubleSide/DoubleLayer) (DVD-18)Blu-ray disc (single layer) (BD-SL)Blu-ray disc (double layer) (BD-DL)Jaz 1GBJaz 2GBexabitexbibitzettabitzebibityottabityobibitnibbleworddouble-wordquadruple-wordblock

Here is the answer to questions like:2 GB khổng lồ MB. What is 2 gigabytes in megabytes? How many gigabytes in 2 megabytes?

Use the Data Units or Storage Converter above sầu not only lớn convert from GBs khổng lồ MBs, but to lớn convert from/khổng lồ many data units used in computer memory.

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Byte conversion chart for binary and decimal conversion

The chart below tries to explain the năm 2016 scenario. These definitions are not a consense. The usage of units lượt thích Kibibyte, mebibytes, etc. (IEC) is not widely known.

Binary System (traditional)

In Data storage, traditionally, when describing digital circuitry, a kilobyte is 210 or 1,024 bytes. This arises from binary exponentiation comtháng to lớn that circuits. This is the so called BINARY system where multiple of bytes are always some exponent of two.

The binary prefix kibi (old k) means 210 or 1,024, therefore, a 1 kibibyte is 1,024 bytes. The units (Kib, MiB, etc) were established by the International Electrotechnical Commission (IEC) in 1998. These units are used for random-access memory (RAM) capacities, such as main memory & CPU cabít sizes, due to lớn the binary addressing of memory. See some examples:

1 byte (B) = 8 bits (b)1 kibibyte - KiB | traditional Kilobyte - KB = 210 bytes = 1,024 bytes1 mebibyte - MiB | traditional Megabyte - MB = 2đôi mươi bytes = 1,048,576 bytes1 gibibyte - GiB | traditional Gigabyte - GB = 230 bytes = 1,073,741,824 bytes1 tibibyte - TiB | traditional Terabyte - TB = 2^40 bytes = 1,099,511,627,776 bytes và so on ...

The Decimal System (SI)

Recently, most hard disk manufacturers use decimal megabytes (106) which is slightly different from the decimal system for small values and considerabily different for values of the order of Terabytes & it gets confusing. This is the so called DECIMAL system where multiple of bytes are always some exponent of ten as shown below:

1 byte (B) = 8 bits (b) (one byte is always 8 bits)1 kilobyte (kB) = 103 bytes = 1,000 bytes1 megabyte (MB) = 106 bytes = 1,000,000 bytes1 gigabyte (GB) = 109 bytes = 1,000,000,000 bytes1 terabyte (TB) = 1012 bytes = 1,000,000,000,000 bytes và so on ...

Please, kiểm tra the tables below for more units.

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Storage Converter



Sample data units conversions


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1 USD = 1.23 CAD 1 USD = 0.72 GBPhường 1 USD = 1.28 AUD 1 USD = 74.08 INR 1 USD = 3.67 AED 1 USD = 109.00 JPY 1 USD = 7.76 HKD