Storage & File Size Converter

New

Bytes to petabytes in both the 1024 and 1000 systems, plus how long a file takes to download

This tool runs entirely in your browser — no file or data is sent to any server.

How much

Amount

Unit

Counted how

1024 is how a computer counts; 1000 is how a disk is sold

Connection speed

Speed

Mbps

Megabits, not megabytes

In every unit

As a computer counts

1.000 GB

As a disk is sold

1.074 GB

B: 1,07,37,41,824.000000
KB: 10,48,576.000000
MB: 1,024.000000
GB: 1.000000
TB: 0.000977
PB: 0.000001
Bits: 8,58,99,34,592

How long to download

Roughly

7 m 9 s

20 Mbps

This is why a 1 TB drive shows as 931 GB: the seller counts in thousands and the computer in 1024s. No space went missing — the two are speaking different languages. And on downloads, connection speeds are quoted in bits: 20 Mbps moves 2.5 megabytes a second, not 20.

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