On iOS:

Highlight text, select convert, see conversion:

But the real solution is for Americans to stop using dumb units.

shmeeed 3 days ago | parent | next [-]

On Pixel and Samsung:

Long press home button for "circle to search", draw line across text, see conversion.

Holy crap, I never knew that was a thing. Thank you!

	▲	bschwindHN 3 days ago \| parent [-]
		If you have a mac as well, you can do these conversions in Spotlight.