Online calculator for determining radial velocities relative to local standard of rest

The following link goes to such a calculator (this link works as of 23 February 2025):

https://www.gb.nrao.edu/GBT/setups/radvelcalc.html

Further discussion on this subject can be found here (23 February 2025):

https://astronomy.stackexchange.com/questions/41196/looking-for-a-routine-to-correct-for-local-standard-of-rest-lsr