Convert a transfer rate per second into how much data that adds up to in a day or a month, or go the other way. Type into any box and the others follow. Results are shown in whichever unit reads best.
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How it's worked out
A day is 86,400 seconds (24 × 60 × 60).
A month is an average month: 365.25 ÷ 12 = 30.4375 days, or 2,629,800 seconds. A 30-day month is about 1.4% less; a 31-day month about 1.8% more.
Decimal units (KB, MB, GB, TB, PB) step up by 1000. This is what network speeds, ISPs, cloud providers and drive makers use.
Binary units (KiB, MiB, GiB, TiB, PiB) step up by 1024. Operating systems often show file sizes this way, sometimes with the decimal labels.
Bytes, not bits. Everything here is in bytes. Link speeds quoted in Mbps or Gbps are bits: divide by 8 to get MB/s.
The rate is assumed to be sustained the whole time, with no gaps or protocol overhead.