ตัวแปลงขนาดข้อมูล

ตัวแปลงขนาดข้อมูลฟรี — ไบต์, KB, MB, GB, TB, PB ทั้งหน่วยทศนิยม (1000) และไบนารี (1024 / KiB, MiB) แบนด์วิธ, ขนาดไฟล์, พื้นที่เก็บข้อมูล

Runs in your browserUpdated Apr 26, 2026

From

Bit

8000000 bit

Byte

1000000 B

Kilobyte (10³)

1000 KB

Gigabyte (10⁹)

0.001 GB

Terabyte (10¹²)

0.000001 TB

Petabyte (10¹⁵)

1.000000e-9 PB

Kibibyte (2¹⁰)

976.5625 KiB

Mebibyte (2²⁰)

0.9536743164 MiB

Gibibyte (2³⁰)

0.0009313225746 GiB

Tebibyte (2⁴⁰)

9.094947e-7 TiB

คำถามที่พบบ่อย

›Why does my 1 TB hard drive show as 931 GB?

Drive vendors use decimal terabytes (10¹² bytes) but operating systems show binary (2⁴⁰ bytes, properly called TiB). 1 TB = 0.909 TiB.

›What's the difference between MB and MiB?

1 MB = 1,000,000 bytes (decimal). 1 MiB = 1,048,576 bytes (binary). They differ by about 5%, growing with every prefix.

›How many bits in a byte?

Almost always 8. The convention is so universal that 'octet' (= 8 bits) is sometimes used in network specs to be unambiguous.

›Bytes to gigabytes — how?

Divide by 1,000,000,000 for decimal GB or by 1,073,741,824 for binary GiB. Or type your value and pick the units.

›Is the converter free?

Yes — free, no ads, runs in your browser.