尧字节

（英語：，縮寫為YB）是一種資訊計量單位，这个单位非常巨大，目前极少被用到。截至2011年，没有任何人类制造的存储设备容量达到1YB。事实上，据估算2011年整个互联网的容量总和也不过525EB左右。

的次方单位

十进制前缀 (SI)
名字	缩写	次方
	KB	10³
	MB	10⁶
	GB	10⁹
	TB	10¹²
	PB	10¹⁵
	EB	10¹⁸
	ZB	10²¹
	YB	10²⁴

二进制前缀 (IEC 60027-2)
名字	缩写	次方
Kibibyte	KiB	2¹⁰
Mebibyte	MiB	2²⁰
Gibibyte	GiB	2³⁰
Tebibyte	TiB	2⁴⁰
Pebibyte	PiB	2⁵⁰
Exbibyte	EiB	2⁶⁰
Zebibyte	ZiB	2⁷⁰
Yobibyte	YiB	2⁸⁰

與其他儲存單位的換算

1YB = 1,000 ZB
1YB = 1,000,000 (10⁶)EB
1YB = 1,000,000,000 (10⁹)PB
1YB = 1,000,000,000,000 (10¹²)TB
1YB = 1,000,000,000,000,000 (10¹⁵)GB
1YB = 1,000,000,000,000,000,000 (10¹⁸)MB
1YB = 1,000,000,000,000,000,000,000 (10²¹)KB
1YB = 1,000,000,000,000,000,000,000,000 (10²⁴)B

Yottabyte常与Yobibyte混淆。Yobibyte为二进制乘数词头，其简写为YiB。换算

1YiB = 1,024 ZiB
1YiB = 1,048,576 (1024²)EiB
1YiB = 1,073,741,824 (1024³)PiB
1YiB = 1,099,511,627,776 (1024⁴)TiB
1YiB = 1,125,899,906,842,624 (1024⁵)GiB
1YiB = 1,152,921,504,606,846,976 (1024⁶)MiB
1YiB = 1,180,591,620,717,411,303,424 (1024⁷)KiB
1YiB = 1,208,925,819,614,629,174,706,176 (1024⁸)B

參考資料

參見

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