20GBは何TBですか？
20GB = 0.0195TB
0.0195TBを0TBに丸めると100%ずれます。この値では小数を残したほうが安全です。
逆に20TBは何GBですか？
20TB = 20,480GB
計算式: TB = GB × 0.000977
GB → TB 前後の値
2 GB0.002TB
4 GB0.0039TB
6 GB0.0059TB
8 GB0.0078TB
10 GB0.0098TB
12 GB0.0117TB
14 GB0.0137TB
16 GB0.0156TB
18 GB0.0176TB
20 GB0.0195TB
22 GB0.0215TB
24 GB0.0234TB
26 GB0.0254TB
28 GB0.0273TB
30 GB0.0293TB
32 GB0.0313TB
34 GB0.0332TB
36 GB0.0352TB
38 GB0.0371TB
40 GB0.0391TB