5mm in a tape measure?

[Kar98 0]

Is that how you remembered them?

Yep

Also, human body temp is 100 in Fahrenheit and 37 in Celsius, water boils at 100 C and freezes at 32 F, except in Denver, which is 1 mile, or 5280 ft above sea level, equaling 1.6 km, which also tells us that .6 miles are 1 km. Therefore 50 is 80 and 60 is a 100, and vice versa. And all relevant currencies have achieved parity $1 = £1 = €1 = DM1