There was a study on online dating habits that said that even someone who was 5'8 would need to earn ~138k more than the same 6'0 person to be considered equivalent, controlling for everything else [1]. Of course it is just one study and I havent looked into it fully but nonetheless.

[1] https://home.uchicago.edu/~hortacsu/onlinedating.pdf table 5.5