File Size Converter
Convert storage sizes across decimal SI units and binary IEC units locally before estimating uploads, downloads, or disk usage.
LocalFile size values stay in the browser while Toolars converts them.
SI/IECSwitch decimal and binary modes to keep KB and KiB assumptions visible.
Size input
Enter a non-negative value, choose the unit family, and select the source unit.
Converted sizes
Add a size to convert it across the selected unit family.
All units
Review each converted value before copying estimates into tickets, docs, or storage plans.
Converted unit rows will appear here.