Number of fingers doesn't have to dictate their number system. If they're using a decimal based number system, then a decimal based measurement system is still the logical choice.
It partially does, the percentage of languages that use base 10 is nearly 100 and most that don't use base 5 or 20... Sure there's others (60 being the main one that still has an effect on most people's lives) but they're vanishingly uncommon
Number of fingers doesn't have to dictate their number system. If they're using a decimal based number system, then a decimal based measurement system is still the logical choice.
It partially does, the percentage of languages that use base 10 is nearly 100 and most that don't use base 5 or 20... Sure there's others (60 being the main one that still has an effect on most people's lives) but they're vanishingly uncommon