But if you want to add a bit of “sophistication”, count the turn as you screw them in to maximum (or minimum) preload so you know your starting point and make a mental note. Always a wise little thing to do so that you have a fall back position if you cock up.
Oh. Don’t be surprised if you get different results for each fork leg, just average them.
Even BMW in the factory manage to preload one leg higher than the other. (Or in my case, a few years back manage to put different springs in each leg and then add a spacer to the stiffer spring.)