Data Transfer Speed Converter
Convert between internet and data transfer speed units instantly. Mbps, Gbps, KB/s, MB/s, GB/s — enter a value and see all conversions at once.
12.5
Megabyte/s (MB/s)
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How to Use the Data Speed Converter
Enter the speed value in the Value field and select the unit you are converting from. All equivalents update instantly. The converter defaults to 100 Mbps — a common broadband speed.
Data Speed Units Explained
Data transfer speed measures how quickly data moves between devices or over a network. The base unit is bit per second (bit/s or bps).
Bit-based units
- bit/s (bps) — the base unit. Very slow connections.
- Kilobit/s (Kbps) — 1,000 bps. Old dial-up modems (56 Kbps).
- Megabit/s (Mbps) — 1,000,000 bps. Standard broadband (10–1,000 Mbps).
- Gigabit/s (Gbps) — 10⁹ bps. Fiber internet, data center networking.
- Terabit/s (Tbps) — 10¹² bps. Backbone internet infrastructure.
Byte-based units
- Byte/s (B/s) — 8 bps. The unit for file transfer rate shown in download managers.
- Kilobyte/s (KB/s) — 8,000 bps. Old modem downloads.
- Megabyte/s (MB/s) — 8,000,000 bps. SSD speeds and fast downloads.
- Gigabyte/s (GB/s) — 8,000,000,000 bps. NVMe SSD speeds (3–7 GB/s).
Key Conversion
Worked Examples
Home internet: 200 Mbps to MB/s
200 ÷ 8 = 25 MB/s. Downloading a 1 GB file takes 40 seconds.
USB 3.0 speed: 5 Gbps to MB/s
5,000 ÷ 8 = 625 MB/s. Practical USB 3.0 speeds are typically 300–400 MB/s.
Streaming: 4K Netflix uses ~25 Mbps
25 Mbps ÷ 8 = 3.125 MB/s = 11.25 GB per hour of 4K content.
NVMe SSD: 3,500 MB/s to Gbps
3,500 × 8 = 28,000 Mbps = 28 Gbps. Top-end NVMe SSDs reach 7,000 MB/s.