{{convert/{{{d}}}|{{{1}}}||||s=|r={{{r}}} |u=km/s |n=cilomed{{{r}}} yr eiliad |h=cilomed{{{r}}}-yr-eiliad- |l=cilomed{{{r}}} yr eiliad |t=medr yr eiliad |o=mi/s |b=1000 |j=3-0}}

Documentation icon Dogfennaeth nodyn

Defnydd

{{convert|1|km/s|lk=on}} → 1 cilomedr yr eiliad (0.62 mi/s)