The units that the app understands (including their abbreviations and many of their alternate representations):
thou, inch, foot, yard, furlong, mile
millimetre, centimetre, metre, kilometre
square inch, square foot, acre
square millimetre, square centimetre, square kilometre, square metre
cubic inch, cubic foot, fluid ounce, gallon, barrel, bushel, oil barrel, US gallon
millilitre, centilitre, litre, cc
dram, ounce, pound, stone, ton, troy ounce
Energy, Power & Torque
british thermal unit, btu, calorie, kilocalorie, horsepower, pound-feet
joule, kilojoule, watt, kilowatt, Newton-metre
People who use the Kelvin scale don’t usually need apps to help them convert.
Baking & cooking
teaspoon (5 ml), tablespoon (15 ml), and cup (250 ml)
Speed, pace, mileage
min/mile, min/km, mile/gallon, mpg, km/l, mph, km/h
The apps understand times in four formats:
- The ISO format (and small variations). e.g.
- Standard time zone regions. e.g.
29 Sep 2018 5:30 PM Europe/London
- Abbreviations. e.g.
- Abbreviations are not exhaustive and often conflicting. E.g. CST can mean any of Central Summer Time (US), China Standard Time, or Cuba Standard Time.
- Full names, strings, city names, etc.
- This is a limited, non exhaustive list.
The full list of time zones covered is available here.
The apps currently support conversion for 56 currencies. These are (in 3-char codes):
AED, ARS, AUD, BAM, BGN, BHD, BRL, CAD, CHF, CLP, CNY, COP, CZK, DKK, DOP, DZD, EGP, EUR, GBP, HKD, HRK, HUF, IDR, ILS, INR, ISK, JMD, JPY, KRW, KWD, LKR, MAD, MUR, MXN, MYR, NOK, NZD, OMR, PEN, PHP, PKR, PLN, RON, RSD, RUB, SAR, SEK, SGD, THB, TRY, TWD, UAH, USD, VND, ZAR, ZMW
Currency conversion is currently in trial, and will be a premium feature when it fully launches.
I do welcome suggestions for more currencies to add. Please use this form to send in the suggestions.