Convert Mebibits to Nibbles
Convert Mebibits (Mibit) to Nibbles (nibble) instantly and accurately.
Conversion Formula
nibble = Mibit × 262144
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.
About Nibbles
A nibble is exactly 4 bits = half a byte, representing 2⁴ = 16 values - one hexadecimal digit (0-F). Used in BCD encoding (each decimal digit = 1 nibble; 2 nibbles per byte packs two BCD digits), financial/mainframe packed-decimal formats, and CSS hex colours (#RRGGBB = 2 nibbles per channel). 4-bit processors (Intel 4004, TI TMS1000) processed one nibble per cycle. 1 nibble = 4 bits = 0.5 bytes.
Quick Reference Table
| Mebibits (Mibit) | Nibbles (nibble) |
|---|---|
| 1 Mibit | 262144 nibble |
| 2 Mibit | 524288 nibble |
| 5 Mibit | 1310720 nibble |
| 10 Mibit | 2621440 nibble |
| 25 Mibit | 6553600 nibble |
| 50 Mibit | 13107200 nibble |
| 100 Mibit | 26214400 nibble |