Convert Gigabytes to Mebibits

Convert Gigabytes (GB) to Mebibits (Mibit) instantly and accurately.

Gigabytes (GB)
Mebibits (Mibit)

Conversion Formula

Mibit = GB × 7629.394531

About Gigabytes

A gigabyte (GB) = 10⁹ bytes (SI). All consumer HDDs, SSDs, SD cards, USB drives, and smartphones advertise in GB. Media sizes: 4K Blu-ray 66-100 GB; 4K Netflix film 10-15 GB; modern AAA PC game 50-200 GB; Google Maps offline country data 5-30 GB. The IBM 350 RAMAC (1956) stored 0.00000375 GB; a Seagate Exos 20 TB holds 20,000 GB - 5.3-million-fold increase in 66 years. 1 GB = 10⁹ bytes = 1,000 MB.

About Mebibits

A mebibit (Mibit) = 2²⁰ = 1,048,576 bits (IEC 80000-13). Used in JEDEC DRAM die specs (DDR5 16-Gibit die = 2 GiB) and FPGA block RAM. NVIDIA Ampere SM: 128 KiB = 1 Mibit of L1 cache/shared memory per SM. STM32H7 Cortex-M7: 1 Mibit tightly coupled data RAM. The 6502 (Apple II, C64) addressed 512 Kibit = 64 KiB of RAM. 1 Mibit = 1,048,576 bits = 128 KiB.

Quick Reference Table

Gigabytes (GB)Mebibits (Mibit)
1 GB7629.39 Mibit
2 GB15258.8 Mibit
5 GB38147 Mibit
10 GB76293.9 Mibit
25 GB190735 Mibit
50 GB381470 Mibit
100 GB762939 Mibit

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