The Units tool

Units: quick unit conversions on Mac

Kilograms to pounds, Celsius to Fahrenheit, megabytes to gigabytes: a converter that's already open.

Pick a category, type a number, read the answer. It's the kind of tool you use for ten seconds, which is exactly why it belongs in the notch.

⌃⌥Space

Hover over the notch, or press Control-Option-Space from any app, then pick the tool from Home or More.

Questions, answered.

Does it do currency?

No, it covers length, weight, temperature and data.