TL;DR
Faster than any calculator app: Spotlight on Mac handles math, currency conversion, and unit conversion – as you type.
How to do it
- Press Cmd + Space to open Spotlight.
- Type what you want to calculate – e.g.,
45 EUR to CHF,250ml in cups, orsqrt(144). - The result appears instantly below the search field.
- For percentages:
15% of 200or200 * 0.15. - For time zones: type
2:00 PM PST to CET.
What Spotlight can handle
- Currencies:
100 USD to EUR,50 GBP to CHF - Units:
5 km to miles,250g to oz,72°F to °C - Math:
2^8,sin(45),sqrt(81),pi * 5^2 - Time zones:
2:00 PM PST to CET
Why this helps
Spotlight has a built-in calculation and conversion engine. No need for the Calculator app or Google – just Cmd + Space, type, done. Exchange rates are pulled live from the internet.
Good to know
- Currency rates require an internet connection.
- For complex formulas, use Terminal with
bcor the Calculator app. - Spotlight doesn't save your calculations – copy the result (Cmd + C) before closing.