Convert between different data storage units (Bytes, Kilobytes, Megabytes, Gigabytes, Terabytes). Simply enter a value, select the source unit and target unit, then click convert. Example: Convert 1024 MB to GB.

Calculate percentages in different ways: 1. What percentage is X of Y? (e.g., 50 is what % of 200?) 2. Calculate percentage increase/decrease (e.g., +20% or -15% of a value) 3. Find the value after applying a percentage change