mQuickCalc

Data & Storage

2 free calculators & converters. Every tool runs entirely in your browser — nothing you type is uploaded.

Available calculators

Data Storage Converter

Convert data storage between bits, bytes, KB, MB, GB, TB and their binary equivalents KiB, MiB, GiB, TiB. See why a 1 TB drive shows as 931 GB.

📶 Data Transfer Rate Converter

Convert bits/sec vs bytes/sec — decimal and binary prefixes (Mbps vs MiB/s). For internet speeds, Ethernet, streaming, bandwidth planning.