Notch Plus Tool
Unit and currency converter in your MacBook notch
The Units tool gives you instant conversions for measurements you need every day — length, weight, temperature, speed, volume, and live currency exchange rates — all inside the notch.
What it does
- Length: mm, cm, m, km, inches, feet, miles
- Weight: mg, g, kg, tonnes, ounces, pounds
- Temperature: Celsius, Fahrenheit, Kelvin
- Speed: km/h, mph, m/s, knots
- Volume: ml, litres, fl oz, cups, pints, gallons
- Live currency exchange rates for major currencies
Mac use cases
- Convert measurements while reading a recipe or technical spec
- Check currency rates without opening a browser
- Convert imperial to metric when working with international specs
Works inside Notch Plus
Units is one of 22 tools built into Notch Plus — a native MacBook notch app for macOS. Every tool is a simple on/off switch. Turn off what you don't use, and it disappears from the panel entirely. One lifetime licence, 22 tools.
Get Notch Plus — $3.99 lifetimeFrequently asked questions
Are currency rates live?
Yes — currency exchange rates are fetched live from a public rates API.
Does it work offline?
Unit conversions work offline. Currency rates require an internet connection.