Where Did Data Transfer Rate Units Come From?
Modems were historically rated in baud and bits per second (e.g., 300 bps in 1970, 56 kbps in 1997).
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Convert internet connection and download speeds between Mbps, MB/s, Kbps, and Gbps. Calculate file download transfer times and network bandwidth accurately.
Real drive space vs advertised capacity
Remember that 1 Byte equals 8 bits. Storage drives count in thousands (1 GB = 1,000 MB), while operating systems count in 1024s (1 GiB = 1,024 MiB).
| Megabits per second (Mbps) | Megabytes per second (MB/s) | Megabytes per second (Reverse) | Megabits per second Equivalent | Action |
|---|---|---|---|---|
| 0.1 Mbps | 0.01250 MB/s | 0.1 MB/s | 0.80000 Mbps | |
| 0.5 Mbps | 0.06250 MB/s | 0.5 MB/s | 4.00000 Mbps | |
| 1 Mbps | 0.12500 MB/s | 1 MB/s | 8.00000 Mbps | |
| 2 Mbps | 0.25000 MB/s | 2 MB/s | 16.00000 Mbps | |
| 5 Mbps | 0.62500 MB/s | 5 MB/s | 40.00000 Mbps | |
| 10 Mbps | 1.25000 MB/s | 10 MB/s | 80.00000 Mbps | |
| 20 Mbps | 2.50000 MB/s | 20 MB/s | 160.00000 Mbps | |
| 50 Mbps | 6.25000 MB/s | 50 MB/s | 400.00000 Mbps | |
| 100 Mbps | 12.50000 MB/s | 100 MB/s | 800.00000 Mbps | |
| 500 Mbps | 62.50000 MB/s | 500 MB/s | 4,000.00000 Mbps | |
| 1000 Mbps | 125.00000 MB/s | 1000 MB/s | 8,000.00000 Mbps |
Symbol: bps. Commonly used in: si.
Symbol: Kbps. Commonly used in: si.
Symbol: Mbps. Commonly used in: si.
Symbol: Gbps. Commonly used in: si.
Symbol: Tbps. Commonly used in: si.
Every conversion starts with the standard baseline rate between these two units:
Multiply your entered number by the conversion rate to calculate the exact target value:
The result is neatly rounded to your preferred decimal setting so it is clear and ready to use:
| Unit Name | Symbol | System | Conversion Rate | Common Uses |
|---|---|---|---|---|
| Bits per second | bps | si | 1 bps = 1.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Kilobits per second | Kbps | si | 1 Kbps = 1,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Megabits per second | Mbps | si | 1 Mbps = 1,000,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Gigabits per second | Gbps | si | 1 Gbps = 1,000,000,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Terabits per second | Tbps | si | 1 Tbps = 1,000,000,000,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Bytes per second | B/s | si | 1 B/s = 8.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Kilobytes per second | KB/s | si | 1 KB/s = 8,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Megabytes per second | MB/s | si | 1 MB/s = 8,000,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
| Gigabytes per second | GB/s | si | 1 GB/s = 8,000,000,000.000000 bps | Everyday, home, and school measurements in Data Transfer Rate. |
Modems were historically rated in baud and bits per second (e.g., 300 bps in 1970, 56 kbps in 1997).
Lowercase "b" indicates bits (Mbps); uppercase "B" indicates bytes (MB/s).
Internet speeds are sold in bits, but downloads are reported in bytes. Because 1 byte = 8 bits, 100 Mbps / 8 = 12.5 MB/s.
Every calculation uses trusted, standard definitions so your results are 100% accurate for school, home, work, and recipes.