@knircky Steemnow will show vote values and is the perfect tool. Just type in any amount of VP / SP / VW and it will show you the value of the upvote : https://www.steemnow.com/upvotecalc.html

Steemdollar also shows values : http://www.steemdollar.com/dollar_per_vote.php?name=rentmoney

• The below site has detailed info on upvotes as well

https://developers.steem.io/tutorials-recipes/estimate_upvote