Digital

GB to KB Converter

1 GB = 1,000,000 KB. Enter any value and the result updates instantly.

Convert

Try
Quick answer 1 GB = 1,000,000 KB GB to KB uses this formula: KB = GB x 1,000,000

Accuracy and rounding

Best use

Decimal units use powers of 1000; binary units such as MiB and GiB use powers of 1024.

Accuracy

Decimal data units use powers of 1000, while binary units such as KiB, MiB, and GiB use powers of 1024.

Rounding

For storage estimates, two decimals are readable. For byte-level checks, use the raw KB value from the calculator.

How to convert GB to KB

  1. Type the GB value in the calculator.
  2. Keep GB selected as the from unit and KB selected as the to unit.
  3. Use the instant result, or copy it with the copy button.

GB to KB chart

GBKB
1 GB1,000,000 KB
2 GB2,000,000 KB
5 GB5,000,000 KB
10 GB10,000,000 KB
25 GB25,000,000 KB
50 GB50,000,000 KB
100 GB100,000,000 KB

Formula

KB = GB x 1,000,000

Example: 1 GB = 1,000,000 KB.

Source

Decimal SI prefixes and binary 1024-based prefixes for digital storage.

Reference definition ยท Conversion methodology

Common questions

How do I convert GB to KB?

Enter the GB value in the converter, or multiply by the factor shown in the formula. 1 GB = 1,000,000 KB.

What should I watch out for?

Decimal storage units use powers of 1000; binary units such as MiB and GiB use powers of 1024.

Where does this digital conversion come from?

Decimal SI prefixes and binary 1024-based prefixes for digital storage. ConverterBase uses stable definitions and fixed conversion factors, not live or rounded market data.

Related converters