I usually call it non-interactively: $ units 1500DKK USD * 236.76653 / 0.00422357 in which case it's always the first line I want. (The second

I usually call it non-interactively: $ units 1500DKK USD * 236.76653 / 0.00422357 in which case it's always the first line I want. (The second line is telling me 1USD is 0.00422357 of 1500DKK.) Note if you use the currency conversions, systemctl enable units-currency-update.timer is needed to keep them up-to-date.