Megabits to Gigabits Converter
One Megabit equals 0.001 Gigabits (1 Mbit = 0.001 Gbit). Multiply a Megabit value by 0.001 to get the equivalent in Gigabits. Enter your value in the calculator above. The formula and examples below show how to calculate it by hand.
Formula
Gbit = Mbit × 0.001
Multiply the Megabit value by 0.001 to get the equivalent value in Gigabits.
Example Conversions
1 Megabit (Mbit)
0.001 Gigabit (Gbit)
5 Megabit (Mbit)
0.005 Gigabit (Gbit)
10 Megabit (Mbit)
0.01 Gigabit (Gbit)
25 Megabit (Mbit)
0.025 Gigabit (Gbit)
100 Megabit (Mbit)
0.1 Gigabit (Gbit)
Conversion Table
| Megabit (Mbit) | Gigabit (Gbit) |
|---|---|
| 0.1 | 0.0001 |
| 0.5 | 0.0005 |
| 1 | 0.001 |
| 2 | 0.002 |
| 5 | 0.005 |
| 10 | 0.01 |
| 25 | 0.025 |
| 50 | 0.05 |
| 100 | 0.1 |
| 250 | 0.25 |
| 500 | 0.5 |
| 1000 | 1 |
How to Convert Manually
Use these steps to convert Megabit values to Gigabit without the calculator.
- Write down the value in Megabit (Mbit) that you want to convert.
- Multiply that value by 0.001.
- For example, 10 Megabits × 0.001 = 0.01 Gigabits.
- Label the result as Gigabit (Gbit).
Relative Size Comparison
This chart shows the visual difference in size between exactly one Megabit and one Gigabit.
About Megabit and Gigabit
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. 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. One Megabit equals 0.001 Gigabits (1 Mbit = 0.001 Gbit). Megabit is used in home internet speed plans and in video streaming requirements. Gigabit is used in fiber internet 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
15Megabits equals0.015Gigabits.
15 Mbit × 0.001 = 0.015 Gbit
FAQ
How do I convert Megabit to Gigabit?
Multiply the Megabit value by 0.001 to get the equivalent value in Gigabits.
What is the formula for Megabit to Gigabit?
The formula is Gbit = Mbit × 0.001.
How many Gigabits are in 1 Megabit?
1 Megabit equals 0.001 Gigabits.
Can I convert Gigabit back to Megabit?
Yes. 1 Gigabit equals 1000 Megabits, and the related converter can reverse the calculation.
What are common names for Megabit and Gigabit?
Megabit is shown as Mbit and may also be searched as megabits, mbit. Gigabit is shown as Gbit and may also be searched as gigabits, gbit.
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