How to use real-time unit conversion in Notes app on iOS16?

so in iOS 16 there are a bunch of new features and one of them is that you will be able to do real-time unit conversion in Notes app with iOS 16. so for example you can write 1000 grams tap on done tap on the number again to see unit conversions and so it it works for white currency and liquid volume measurements and this feature is turned on by default so for example if you write like 100 kilogram you can just tap on it and it will be 0.1 tons or this how many grams like you know you don't need to go to a calculator and multiply and convert between like a metric and empiricals like imperial system how it's called like between miles and kilometers and vice versa so it will be done automatically for you in Notes app with iOS 16.