📊 单位换算器

字节、KB、MB、GB、TB、PB 等存储单位快速互转,支持二进制(1024)和十进制(1000)两种换算模式

📖 换算说明

二进制 (1024) - 计算机标准 1 Byte = 8 Bit
1 KB = 1024 Bytes
1 MB = 1024 KB = 1,048,576 Bytes
1 GB = 1024 MB = 1,073,741,824 Bytes
1 TB = 1024 GB = 1,099,511,627,776 Bytes
1 PB = 1024 TB = 1,125,899,906,842,624 Bytes
十进制 (1000) - 磁盘厂商标准 1 KB = 1000 Bytes
1 MB = 1000 KB = 1,000,000 Bytes
1 GB = 1000 MB = 1,000,000,000 Bytes
1 TB = 1000 GB = 1,000,000,000,000 Bytes
1 PB = 1000 TB = 1,000,000,000,000,000 Bytes

💡 为什么买的 1TB 硬盘只有约 931GB?
因为硬盘厂商使用十进制(1000),而操作系统使用二进制(1024)。
1,000,000,000,000 ÷ 1024³ ≈ 931.32 GB