Numbers, places & time
Calculate from a selection and convert amounts, units or times.
Calculate
Select a number and choose Calculate. The focused input starts with that number; type your operators to see a result. ⌘C copies it. Enter pastes it when Tero can confirm a suitable target field.
128 / 4 → 32The calculator is local. Escape closes it.
Convert units
Convert a quantity in supported distance, weight, volume, temperature or speed units. Choose the intended unit when US and UK variants would give different results.
12 km → miles · 32 °F → CelsiusMultiple quantities and ambiguous number separators are not guessed.
Convert currencies
Choose the source currency if needed, then find a target by name or code. Moroccan dirhams support MAD and DH/DHS. The result shows the rate, its date and source.
100 EUR → USD · 100 DHS → EURRates are daily reference rates, not bank quotes or trading prices. Fees are not included. Internet is required; an unavailable or stale rate is reported.
Convert time zones
Select a time with a recognized time zone. Add the source date if it is missing, then see the time in your Mac’s time zone. The result includes any change of day.
2026-10-08 3 PM ESTEST is a fixed offset; regions and ET/PT use date-specific daylight saving. Ambiguous abbreviations require a choice. Numeric dates use YYYY-MM-DD.
Open in Maps
Select an address or place, review the matching location and open it in Apple Maps. Action search can also find this mode for a short place name.
10 Downing Street, LondonThe search is online and runs after you choose the action.
Get directions
Select an address, choose the matching destination and open driving directions in Apple Maps. Choose your starting point or change transport in Maps.
Select an address → Get directionsTero does not infer your location or request location permission for this action.