Gibit/s to Mbps
1 gibibit per second equals 1,073.741824 megabits per second exactly.
How to convert gibibits per second to megabits per second
To convert gibibits per second to megabits per second, multiply the number of gibibits per second by 1,073.741824. This factor is exact. To go the other way, multiply megabits per second by 0.0009313225746 (rounded).
megabits per second = gibibits per second × 1,073.741824
Example: 10 gibibits per second = 10,737.41824 megabits per second.
Network speeds are quoted in bits per second (lowercase b), while file sizes use bytes (uppercase B). Divide Mbps by 8 for MB/s.
About these units
Gibibit Per Second (Gibit/s)
1,073,741,824 bits per second.
At more than a billion bits each second, the gibibit per second suits fast storage buses and memory links. Its value is 1,073,741,824 bits per second, the product of 2 to the power 30, and it is about 7.4 percent larger than the decimal gigabit per second. Dividing by 8 gives 134,217,728 bytes per second, the figure Wikipedia lists for this unit.
The name was coined in the mid 1990s. A committee of IUPAC proposed kibi, mebi, gibi and tebi in 1995 as contractions of kilobinary, megabinary, gigabinary and terabinary. The IEEE then took the idea to ISO and the IEC and changed the symbols to the two-letter forms still used, so the unit is written Gibit/s. ISO 80000-1 defined the prefixes in 2009. Because the prefixes sit outside the SI, vendors of networking gear usually still quote plain gigabits, and Gibit/s mainly appears in technical specifications.
1 gibibit per second = 1,073,741,824 bits per second (exactly).
Sources: Wikipedia: Binary prefix; Wikipedia: Data-rate units; NIST: Prefixes for binary multiples
Megabit Per Second (Mbps)
1,000,000 bits per second. The unit of internet connection speeds; 8 Mbps is 1 MB/s.
Megabits entered everyday life through Ethernet. The original 10BASE5 version arrived in 1981 at 10 Mbit/s, Fast Ethernet raised the figure to 100 Mbit/s in 1995, and wireless followed, with 802.11b offering 11 Mbit/s in 1999. Telecommunications engineers had always meant exactly one million bits per second by the megabit, while computer memory vendors were stretching the word mega toward powers of two. That divergence is part of why the IEC later published separate binary prefixes.
Internet providers still sell service in Mbit/s, which is why a plan and a download counter seem to disagree. A byte is eight bits, so 100 Mbit/s is at most 12.5 MB/s, and a 1 GB file needs about 80 seconds at that rate under ideal conditions. Streaming is far lighter: YouTube video at 1080p is listed at roughly 3 to 8 Mbit/s with H.264, and 2160p at 8 to 35 Mbit/s. Real throughput is lower than the line rate because of protocol overhead.
1 megabit per second = 1,000,000 bits per second (exactly).
Sources: Wikipedia: Bit rate (Ethernet, Wi-Fi and streaming rates); NIST: Prefixes for binary multiples; Wikipedia: Megabit
Related conversions
- Mbps to Gibit/s (reverse)
- Gibit/s to bps
- Gibit/s to Kbps
- Gibit/s to Gbps
- Gibit/s to MB/s
- Bps to Mbps
- Kbps to Mbps
- Gbps to Mbps
- MB/s to Mbps
- Tbps to Mbps
- B/s to Mbps
- KB/s to Mbps
- GB/s to Mbps
- MiB/s to Mbps
- Kibit/s to Mbps
- Mibit/s to Mbps
- KiB/s to Mbps
See all data transfer rate units.