I think this is more common when reporting heights in feet+inches than in cm. Rounding up 1.76m to 1.80m seems much weirder than rounding up 5'11" to 6', since

I think this is more common when reporting heights in feet+inches than in cm. Rounding up 1.76m to 1.80m seems much weirder than rounding up 5'11" to 6', since all measurements in cm are very precise-sounding.