I wrote a similar tool that uses the same unit database (from GNU units) but is open source, has a somewhat better online interface [1] and a crappier app [2]

I wrote a similar tool that uses the same unit database (from GNU units) but is open source, has a somewhat better online interface [1] and a crappier app [2] [1]: https://phiresky.github.io/qalc-react/ https://phiresky.github.io/qalc-react/ [2]: https://play.google.com/store/apps/details?id=io.github.phiresky.qalc_react https://play.google.com/store/apps/details?id=io.github.phir...