Data Transfer Rate Converter
Convert one known digital transfer rate between bit-rate and byte-rate units without mixing up Mbps, MB/s, and MiB/s. Useful for ISP plans, download clients, NAS benchmarks, and hardware specs.
How It Works
Formula
Variables, symbols and units
- Input transfer rate
- Equivalent transfer rate in bits per second(b/s)
- Converted transfer rate in the target unit
- Bits-per-second factor of the source unit(b/s)
- Bits-per-second factor of the target unit(b/s)
Calculation method explained
The calculator normalizes your input to b/s, then converts out to the target unit. Decimal bit rates use powers of 1000, decimal byte rates use 8 x 1000^n b/s, and binary byte rates use 8 x 1024^n b/s. The reference panel restates the same throughput in a few common network and download units so you can compare readouts without constantly swapping selectors.
Reference rules used on every conversion:
1 B/s = 8 b/s- Decimal prefixes use powers of
1000:1 Mb/s = 1000^2 b/s,1 MB/s = 8 x 1000^2 b/s - Binary byte prefixes use powers of
1024:1 MiB/s = 8 x 1024^2 b/s,1 GiB/s = 8 x 1024^3 b/s
The calculator multiplies the source value into b/s, then divides by the target-unit factor.
Frequently Asked Questions
How does this data transfer rate converter work?
Each unit is defined as a fixed number of bits per second. The calculator first converts your source value into `b/s`, then divides by the target-unit factor. That keeps every pair on one canonical throughput base.
Why is MB/s not the same as Mb/s?
Because a byte is 8 bits. `MB/s` counts bytes per second, while `Mb/s` counts bits per second. The same throughput therefore shows a number about eight times smaller in byte-rate units than in the matching bit-rate units.
Why is MB/s not the same as MiB/s?
Because `MB/s` uses decimal powers of 1000, while `MiB/s` uses binary powers of 1024. The throughput is the same, but the counting block changes.
Does this predict real download speed or transfer time?
No. This is only a unit converter. It does not model protocol overhead, latency, compression, ISP throttling, Wi-Fi conditions, or storage bottlenecks, and it is not a speed test.
How is this different from file-size-converter or speed-converter?
This page only converts digital throughput units. File-size-converter handles data amount, not rate. Speed-converter and speed-distance-time handle physical motion units, not network or storage transfer rates.