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gb to tb Converter

Convert GB to TB and back — 1 TB = 1,024 GB. Free, instant, no sign-up, full working shown.

Convert GB ⇄ TB

2 TB
2048 GB = 2 TB (1 TB = 1,024 GB (binary convention))

Formula: 2048 GB ÷ 1024 = 2 TB

How the gb to tb converter conversion works

The converter applies TB = GB ÷ 1024. Going the other way, GB = TB × 1024. This is the binary convention used by most converters and operating systems; drive manufacturers usually quote decimal terabytes (1 TB = 1,000 GB), which is why a sold-as-1-TB drive shows about 931 GB on your computer.

Worked example: a 2048 GB backup is 2048 ÷ 1024 = 2 TB, and a 500 GB drive holds 500 ÷ 1024 = 0.4883 TB.

For the lower steps on the ladder, use our MB to GB converter and KB to MB converter; for connection speeds, the Mbps to MB/s converter.

gb to tb converter questions

How many TB are in 2048 GB?
2 TB — 2048 ÷ 1024 = 2.
How do I convert GB to TB?
Divide by 1024: TB = GB ÷ 1024. So 500 GB is 500 ÷ 1024 = 0.4883 TB.
How do I convert TB back to GB?
Multiply by 1024: GB = TB × 1024. So 0.5 TB is 0.5 × 1024 = 512 GB.
Why does my 1 TB drive show about 931 GB?
The drive is sold in decimal terabytes (1,000,000,000,000 bytes) while your system measures in binary units, where 1 TB = 1024 GB. The bytes are all there — the two yardsticks just differ.
What is 100 GB in TB?
100 ÷ 1024 = 0.0977 TB — just under a tenth of a terabyte.

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Sources & official guidance

Estimate only — this converter uses the binary convention (1 TB = 1,024 GB); drive makers often quote decimal terabytes. See our disclaimer.