Kibibytes per Second to Megabits per Second (KiB/s to Mbps)

Formula

Mbps = KiB/s × 0.008192

or Mbps = KiB/s ÷ 122.0703125

Derivation from SI units:

• 1 KiB/s = 1024 B/s.
• 1 Mbit/s = 10⁶ bit/s.
• 1 KiB/s = 8192 bps ÷ 1000000 bps per Mbps = 0.008192 Mbps

Both units are defined exactly, so the factor is exact. Kibibyte per Second definition: kibibyte per second; Megabit per Second definition: megabit per second.

Worked examples

1. A reading of 25 KiB/s converts to 0.2048 Mbps.
   25 KiB/s × 0.008192 = 0.2048 Mbps
2. A value of 200 KiB/s is 1.6384 Mbps.
   200 KiB/s × 0.008192 = 1.6384 Mbps

Where it's used

Kibibytes per Second are used for linux command-line transfer speeds, while megabits per second appear in internet plans and speed tests. Both measure data transfer rate (bandwidth), so the conversion is a fixed factor.

Kibibyte per Second to other data transfer rate units

Frequently asked questions

Sources

• Prefixes for binary multiples (kibi, mebi, gibi…, adopted by the IEC and now in IEC 80000-13), National Institute of Standards and Technology , Prefixes for binary multiples.
• The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Section 3, note on binary prefixes.
• The International System of Units (SI), 9th edition (SI Brochure), Bureau International des Poids et Mesures , Table 7 (SI prefixes); hertz, Table 4.

Last reviewed: 2026-10-15. Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.