Now that I’ve found the right calculator for me, I should point out that I still take my phone out of my pocket to use a calculator. That’s a habit thing though, not a problem with the size of the objects on the Apple Watch. Calculator for Apple Watch Calculator for Apple Watch is a free, basic, standard little calculator app. It’s the app that could be built into the Apple Watch. Calcbot Calcbot is a slight step up from Calculator. Here, we gain the ability to convert some basic things as well, such as kilograms to pounds, Fahrenheit to Celsius and a few other little things. There’s also a little tip calculator for those who need it. Calculator+ If you need more functions, you can also do some scientific functions, fractions, percents, etc with this one. Oh, and Calculator+ supporting using handwriting! PCalc Similar to Calculator+ but adds constants and conversions. See the ellipse. That opens up a lot of different options. And you have a glance to see recent calculations from the iOS app, which can be cool if you’re in a meeting! CALC Scientific calculator (the only one where the numbers are separate on the screen). Also has history and the options available in PCalc, but adds speakable items! XE Currency Simple currency converter. A few of the more traditional calculator apps have some currencies, but XE has all the world currencies. Calculator Free As with a few of the calculator apps, this one has themes, so you can match it up with your band. But it also has a tip calculator, basic conversions and some of the bigger buttons (’cause lets face it, it’s a small screen). Calculator Pro All the calculator things, matched to your watch band – but you have to buy it. Cruncher – Watch Calculator Very basic calculator but with big buttons. Buttons are big because there are multiple objects within them. If you need bigger buttons give this one a shot. Inflation Calculator Another specialty calculator. How much is $20 from 1980 worth today? Bonus: There are tons of calorie counters out there for both Apple Watch and iPhone. Bonus 2: There are tons of tip calculators out there for the Apple Watch, but I didn’t include any of those here.