Mbps to GB/s Converter
Quick answer: To convert mbps to GB/s, multiply by 0.000125. For example, 10 Mbit/s is 0.00125 GB/s. One megabit per second equals 0.000125 GB/s.
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Use the Mbps to GB/s Converter
Mbps to GB/s formula and what each symbol means
GB/s = Mbit/s × 0.000125
| Symbol | Meaning |
|---|---|
| Mbit/s | Megabit per second |
| GB/s | Gigabyte per second |
Mbps to GB/s examples
1 Mbit/s
1 Mbit/s × 0.000125 = 0.000125 GB/s.
10 Mbit/s
10 Mbit/s × 0.000125 = 0.00125 GB/s.
100 Mbit/s
100 Mbit/s × 0.000125 = 0.0125 GB/s.
Mbps compared with GB/s
One GB/s is 8,000 times as large as one Mbit/s, so your number gets smaller when you convert mbps to GB/s and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
About mbps and GB/s
Megabit per second (Mbit/s): One million bits per second. Gigabyte per second (GB/s): One billion bytes per second.
Where mbps to GB/s conversions are used
Network equipment, Wi-Fi and fibre links are rated in Mbps or Gbps. Storage interfaces such as SATA, NVMe and USB list rates in MB/s or Gbps.
How to calculate Mbps to GB/s step by step
- Enter the value in Mbit/s (the starting unit).
- Multiply by 0.000125, because 1 Mbit/s = 0.000125 GB/s.
- The product is the value in GB/s. To go back, divide by 0.000125 or multiply by 8,000.
Popular data transfer rate conversions
How to read your Mbps to GB/s result
Internet plans quote bits per second (Mbit/s), while downloads show bytes per second (MB/s).
| MBPS | GB/S |
|---|---|
| 1 | 0.000125 |
| 2 | 0.00025 |
| 5 | 0.000625 |
| 10 | 0.00125 |
| 20 | 0.0025 |
| 50 | 0.00625 |
| 100 | 0.0125 |
| 1,000 | 0.125 |
GB/s to Mbps: quick table
| GB/S | MBPS |
|---|---|
| 1 | 8,000 |
| 5 | 40,000 |
| 10 | 80,000 |
| 25 | 200,000 |
| 50 | 400,000 |
| 100 | 800,000 |
| 250 | 2,000,000 |
| 500 | 4,000,000 |
Common mistakes when calculating Mbps to GB/s
- Expecting to download at the advertised line speed: protocol overhead lowers real throughput.
- Dividing when you should multiply: from Mbit/s to GB/s multiply by 0.000125; from GB/s to Mbit/s divide by 0.000125.
Mbps to GB/s FAQ
How many GB/s are in 1 Mbit/s?
1 Mbit/s equals 0.000125 GB/s.
How many Mbit/s are in 1 GB/s?
1 GB/s equals 8,000 Mbit/s.
Is 1 Mbit/s = 0.000125 GB/s an exact conversion?
Yes. The megabit per second and the gigabyte per second are both defined exactly in SI terms, so the ratio has no measurement uncertainty; 0.000125 is just that ratio shown to 7 significant figures.
What is a megabit per second (Mbit/s)?
One million bits per second.
How can I estimate mbps to GB/s in my head?
One GB/s is 8,000 times as large as one Mbit/s, so your number gets smaller when you convert mbps to GB/s and bigger when you convert back. If the answer is not smaller than what you typed, you multiplied instead of dividing.
What is 15 Mbit/s in GB/s?
15 Mbit/s = 0.001875 GB/s (since 15 × 0.000125).
What is 75 Mbit/s in GB/s?
75 Mbit/s = 0.009375 GB/s (since 75 × 0.000125).
What is 300 Mbit/s in GB/s?
300 Mbit/s = 0.0375 GB/s (since 300 × 0.000125).
How many decimals should I keep when converting Mbit/s to GB/s?
Match the precision of your original measurement. For example, 0.00125 GB/s rounds to 0.00125 GB/s at 3 significant figures; keep more digits only for engineering or scientific work.
More in Data Transfer Rate converters
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- MB/s to Gbps Converter
- MB/s to GB/s Converter
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Method, review and disclaimer
Edited by: Hemant Kumar and Anjita Rai, founders of ToolsVault (SEO and content professional, not a licensed adviser). Method: this tool runs in your browser using the formula shown on this page; the numbers you enter are not sent to our servers. Sources: NIST: prefixes for binary multiples