3 ms·The foot is just a light nanosecond, it makes perfect sense.by lamontcg 4y agoThe foot is just a light nanosecond, it makes perfect sense.nikcub 4y agoit isn't precisely a light nanosecond either, it's about 5mm off. today the standard foot as used in the USA is ironically just defined as 0.3048 metershanche 4y agoAnd the surveyors’ foot is 500000/499999 times that. Not sure how that came to be.