Gigabit per second to Megabit per second Converter
Convert gigabits per second to megabits per second with our free online data transfer converter.
Quick Answer
1 Gigabit per second = 1000 megabits per second
Formula: Gigabit per second × conversion factor = Megabit per second
Use the calculator below for instant, accurate conversions.
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Gigabit per second to Megabit per second Calculator
How to Use the Gigabit per second to Megabit per second Calculator:
- Enter the value you want to convert in the 'From' field (Gigabit per second).
- The converted value in Megabit per second will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Data Transfer category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Gigabit per second to Megabit per second: Step-by-Step Guide
Converting Gigabit per second to Megabit per second involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Gigabit per second = 1000 megabits per secondExample Calculation:
Convert 1000 gigabits per second: 1000 × 1000 = 1000000 megabits per second
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These conversion results are provided for informational purposes only. While we strive for accuracy, we make no guarantees regarding the precision of these results, especially for conversions involving extremely large or small numbers which may be subject to the inherent limitations of standard computer floating-point arithmetic.
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Need to convert to other data transfer units?
View all Data Transfer conversions →What is a Gigabit per second and a Megabit per second?
A gigabit per second (Gbps or Gbit/s) is a unit of data transfer rate equal to 1,000,000,000 bits per second, 1,000 megabits per second, or 1 million kilobits per second. It uses the standard SI prefix "giga-" (G), which represents a factor of 109 or one billion.
A megabit per second (Mbps or Mbit/s) is a unit of data transfer rate equal to 1,000,000 bits per second or 1,000 kilobits per second. It uses the standard SI prefix "mega-" (M), which represents a factor of 106 or one million.
Note: The Gigabit per second is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Megabit per second belongs to the imperial/US customary system.
History of the Gigabit per second and Megabit per second
Gigabit per second speeds became prominent with the development of Gigabit Ethernet standards (like 1000BASE-T) in the late 1990s and early 2000s, significantly increasing local network speeds. The proliferation of fiber optic internet connections (FTTH - Fiber to the Home) further established Gbps as a common measure for high-speed internet access for consumers and businesses.
Evolution of Gbps in Technology
- 1990s: Gigabit Ethernet development; theoretically available but extremely expensive
- Early 2000s: Gigabit routers and switches become standard in enterprise networks
- Mid-2000s: 1 Gbps internet starts appearing in Seoul, Tokyo, other tech-forward cities
- 2010s: Gigabit internet becomes common in developed countries; 10 Gbps emerging in data centers
- 2020s: 1 Gbps residential internet becoming standard in urban areas; 10+ Gbps available for businesses
- Future: 400 Gbps and 800 Gbps standardized for data center interconnects
The megabit per second became a common unit with the widespread adoption of broadband internet technologies (like DSL and cable) and faster local area network standards such as Fast Ethernet (100 Mbps) in the late 1990s and early 2000s. As internet speeds and network capacities increased beyond the kilobit range, Mbps provided a more convenient measure. Like kbps, the prefix "mega-" in data transfer rates consistently refers to the decimal value (1,000,000), avoiding the binary confusion sometimes seen with data storage units (MB vs MiB).
Common Uses and Applications: gigabits per second vs megabits per second
Explore the typical applications for both Gigabit per second (imperial/US) and Megabit per second (imperial/US) to understand their common contexts.
Common Uses for gigabits per second
Gigabits per second (Gbps) is used to measure very high data transfer rates:
- High-Speed Internet (Consumer): Fiber optic internet plans commonly offer speeds of 1 Gbps (gigabit) or higher
- Provides ~125 MB/s download speeds
- Fast enough to download a 4K movie in under a minute
- Local Area Network (LAN) Backbones: Used for high-traffic links within corporate networks or data centers
- Data Center Networking: Standard for server-to-server communication and connections to storage area networks (SANs)
- Network Switches and Routers: High-performance network hardware often has ports rated in Gbps
- Entry-level managed switches: 1 Gbps per port
- High-end data center switches: 40-400 Gbps per port
- High-Definition Video Transfer: Transferring large video files or streaming multiple high-resolution video streams simultaneously
- Cloud Computing: Inter-datacenter links often exceed 100 Gbps
When to Use megabits per second
Megabits per second (Mbps) is the standard unit for measuring many modern data communication speeds:
- Internet Connection Speeds: Most broadband, cable, fiber optic, and mobile (4G/5G) internet plans are advertised in Mbps.
- Wi-Fi Network Speeds: Wireless router capabilities and actual throughput are often measured in Mbps.
- Video Streaming: Required bandwidth for streaming services is specified in Mbps (e.g., ~5 Mbps for HD, ~25 Mbps for 4K).
- File Downloads/Uploads: Network transfer speeds during large file transfers are typically monitored in Mbps (though applications might display MB/s).
- Local Area Network (LAN) Speeds: Common Ethernet standards operate at 100 Mbps (Fast Ethernet) or 1000 Mbps (Gigabit Ethernet).
Additional Unit Information
About Gigabit per second (Gbps)
How many bits per second (bps) are in a gigabit per second (Gbps)?
There are exactly 1,000,000,000 bits per second (bps) in 1 gigabit per second (Gbps). This follows the standard SI definition of the prefix 'giga-'.
How many megabits per second (Mbps) are in a gigabit per second (Gbps)?
There are exactly 1,000 megabits per second (Mbps) in 1 gigabit per second (Gbps).
What is the difference between Gbps (gigabits per second) and GB/s (Gigabytes per second)?
These units measure data transfer rate differently:
- Gbps (gigabits per second): Measures the rate in bits. Standard for advertising network speeds, especially high-speed internet and network hardware capabilities.
- GB/s (Gigabytes per second): Measures the rate in bytes. Often used to describe the throughput of very high-speed interfaces like PCIe buses, fast SSDs, or high-performance computing interconnects.
Since 1 byte = 8 bits: 1 GB/s = 8 Gbps Therefore, a speed expressed in GB/s is 8 times faster than the same number expressed in Gbps. For example, a network speed of 10 Gbps has a theoretical maximum transfer rate of 1.25 GB/s (10 / 8 = 1.25).
Is Gbps related to Gibibits (Gib)?
While both use the 'giga'/'gibi' scale, they differ significantly:
- Gbps (Gigabit per second): A rate based on decimal gigabits (1 Gb = 109 bits = 1,000,000,000 bits). Used for data transfer speeds.
- Gib (Gibibit): A unit of data storage based on binary prefixes (1 Gib = 230 bits = 1,073,741,824 bits). Used for precise memory/storage measurement. A "Gibibit per second" (Gibps) is not a standard unit for data transfer rates, which consistently use decimal prefixes.
Is Gbps based on 1,000,000,000 or 1,073,741,824 bits?
Gigabits per second (Gbps) is always based on the decimal prefix 'giga-', meaning 1,000,000,000 bits per second. Data transfer rates (bps, kbps, Mbps, Gbps, Tbps) consistently use the standard SI decimal prefixes (powers of 1000). The binary multiple (230 = 1,073,741,824) relates to data storage units like the Gibibyte (GiB) or Gibibit (Gib).
About Megabit per second (Mbps)
How many bits per second (bps) are in a megabit per second (Mbps)?
There are exactly 1,000,000 bits per second (bps) in 1 megabit per second (Mbps). This follows the standard SI definition of the prefix 'mega-'.
What is the difference between Mbps and Gbps?
Gbps (Gigabit per second) is a larger unit of data transfer rate.
- 1 Mbps = 1,000,000 bps
- 1 Gbps = 1,000 Mbps = 1,000,000,000 bps Therefore, 1 Gbps is 1,000 times faster than 1 Mbps. High-speed internet connections and network backbones are often measured in Gbps.
What is the difference between Mbps (megabits per second) and MB/s (Megabytes per second)?
These units measure data transfer rate differently:
- Mbps (megabits per second): Measures the rate in bits. Standard for advertising network speeds and connection bandwidth.
- MB/s (Megabytes per second): Measures the rate in bytes. Often used by software (like browsers, download managers) to show actual file transfer speeds.
Since 1 byte = 8 bits: 1 MB/s = 8 Mbps Therefore, a speed expressed in MB/s is 8 times faster than the same number expressed in Mbps. For example, an internet connection of 100 Mbps has a theoretical maximum download speed of 12.5 MB/s (100 / 8 = 12.5).
Is Mbps based on 1,000,000 or 1,048,576 bits?
Megabits per second (Mbps) is always based on the decimal prefix 'mega-', meaning 1,000,000 bits per second. Data transfer rates (bps, kbps, Mbps, Gbps) consistently use the standard SI decimal prefixes (powers of 1000). The binary multiple (220 = 1,048,576) relates to data storage units like the Mebibyte (MiB).
Conversion Table: Gigabit per second to Megabit per second
| Gigabit per second (Gbps) | Megabit per second (Mbps) |
|---|---|
| 0.5 | 500 |
| 1 | 1,000 |
| 1.5 | 1,500 |
| 2 | 2,000 |
| 5 | 5,000 |
| 10 | 10,000 |
| 25 | 25,000 |
| 50 | 50,000 |
| 100 | 100,000 |
| 250 | 250,000 |
| 500 | 500,000 |
| 1,000 | 1,000,000 |
People Also Ask
How do I convert Gigabit per second to Megabit per second?
To convert Gigabit per second to Megabit per second, enter the value in Gigabit per second in the calculator above. The conversion will happen automatically. Use our free online converter for instant and accurate results. You can also visit our data transfer converter page to convert between other units in this category.
Learn more →What is the conversion factor from Gigabit per second to Megabit per second?
The conversion factor depends on the specific relationship between Gigabit per second and Megabit per second. You can find the exact conversion formula and factor on this page. Our calculator handles all calculations automatically. See the conversion table above for common values.
Can I convert Megabit per second back to Gigabit per second?
Yes! You can easily convert Megabit per second back to Gigabit per second by using the swap button (⇌) in the calculator above, or by visiting our Megabit per second to Gigabit per second converter page. You can also explore other data transfer conversions on our category page.
Learn more →What are common uses for Gigabit per second and Megabit per second?
Gigabit per second and Megabit per second are both standard units used in data transfer measurements. They are commonly used in various applications including engineering, construction, cooking, and scientific research. Browse our data transfer converter for more conversion options.
For more data transfer conversion questions, visit our FAQ page or explore our conversion guides.
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Verified Against Authority Standards
All conversion formulas have been verified against international standards and authoritative sources to ensure maximum accuracy and reliability.
International Electrotechnical Commission — Standards for data transfer rates
Last verified: February 19, 2026