Gigabits to Megabits Converter
One Gigabit equals 1000 Megabits (1 Gbit = 1000 Mbit). Multiply a Gigabit value by 1000 to get the equivalent in Megabits. Enter your value in the calculator above. The formula and examples below show how to calculate it by hand.
Formula
Mbit = Gbit × 1000
Multiply the Gigabit value by 1000 to get the equivalent value in Megabits.
Example Conversions
1 Gigabit (Gbit)
1000 Megabit (Mbit)
5 Gigabit (Gbit)
5000 Megabit (Mbit)
10 Gigabit (Gbit)
10000 Megabit (Mbit)
25 Gigabit (Gbit)
25000 Megabit (Mbit)
100 Gigabit (Gbit)
100000 Megabit (Mbit)
Conversion Table
| Gigabit (Gbit) | Megabit (Mbit) |
|---|---|
| 0.1 | 100 |
| 0.5 | 500 |
| 1 | 1000 |
| 2 | 2000 |
| 5 | 5000 |
| 10 | 10000 |
| 25 | 25000 |
| 50 | 50000 |
| 100 | 100000 |
| 250 | 250000 |
| 500 | 500000 |
| 1000 | 1000000 |
How to Convert Manually
Use these steps to convert Gigabit values to Megabit without the calculator.
- Write down the value in Gigabit (Gbit) that you want to convert.
- Multiply that value by 1000.
- For example, 10 Gigabits × 1000 = 10000 Megabits.
- Label the result as Megabit (Mbit).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Gigabit and one Megabit.
About Gigabit and Megabit
The gigabit is an SI decimal data unit equal to 1,000 megabits, or 125,000,000 bytes. Fiber connections and modern network hardware operate at gigabit scales. The megabit is an SI decimal data unit equal to 1,000 kilobits, or 125,000 bytes. Network transfer quantities are often expressed in megabits. One Gigabit equals 1000 Megabits (1 Gbit = 1000 Mbit). Gigabit is used in fiber internet plans and in ethernet and LAN hardware speeds. Megabit is used in home internet speed plans.
Precision and Rounding:This converter keeps SI decimal prefixes (1 KB = 1,000 bytes) separate from IEC binary prefixes (1 KiB = 1,024 bytes). Match the symbol used by your source before converting because some operating-system interfaces display binary quantities with decimal labels.
See our guide to megabits vs. megabytes if you're unsure which one your download speed is quoted in.
Data units follow NIST guidance: decimal SI prefixes use powers of 1,000, while IEC binary prefixes use powers of 1,024 (reference).
Worked Example
15Gigabits equals15000Megabits.
15 Gbit × 1000 = 15000 Mbit
FAQ
How do I convert Gigabit to Megabit?
Multiply the Gigabit value by 1000 to get the equivalent value in Megabits.
What is the formula for Gigabit to Megabit?
The formula is Mbit = Gbit × 1000.
How many Megabits are in 1 Gigabit?
1 Gigabit equals 1000 Megabits.
Can I convert Megabit back to Gigabit?
Yes. 1 Megabit equals 0.001 Gigabits, and the related converter can reverse the calculation.
What are common names for Gigabit and Megabit?
Gigabit is shown as Gbit and may also be searched as gigabits, gbit. Megabit is shown as Mbit and may also be searched as megabits, mbit.
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