Calculator & conversions
Math, units, currencies, number bases and time zones, answered as you type.
Type a calculation in the root search and the answer appears at the top. Return copies it.
Math
| Type | Get |
|---|---|
2^10 |
1,024 |
15% of 80 |
12 |
120 + 15% |
138 |
sqrt(2) |
1.41421… |
×, ÷ and − work as well as *, / and -.
Units
5 km in mi, 3 cups to ml, 70f. A bare temperature like 70f converts to the other scale. Length, mass, volume, temperature, data and more are covered.
Currency
100 usd to eur, €50 in $. Rates are the European Central Bank's daily reference rates.
Number bases
255 in hex, 0xff.
Time zones
time in tokyo, tokyo time, 3pm pst to cet, 15:30 london in new york. Zones come from macOS's own database, so daylight saving is always right.
Tip The Unit Converter plugin adds a list of every unit conversion, so you can pick the one you want to copy.