You can actually see their salary calculator here https://about.gitlab.com/handbook/total-rewards/compensation...
Are you able to actually use the calculator? You’ve linked the documentation page for it, but the actual tool seems restricted.
You can't see the calculator, but you can see most of the inputs - for this discussion, the factors that weigh on the location-based adjustments are here:
https://about.gitlab.com/handbook/total-rewards/compensation...
Median salary seems to be $170k according to Levels.fyi -> https://www.levels.fyi/company/GitLab/salaries/Software-Engi...