You will need about 7100 steempower to vote $ 1
Now, not all of us have so much steempower, so how can we figure out how much value our vote has at 100% ??
As we all know we lose a small amount of votingpower for every vote you give but do not fear it replenishes over time about 1% per 2
To see how mush you have left use this link, But remember to replace my username with your own :) and leave the @
https://steemd.com/@madarauchiha
Now you will be able to see your total steempower and voting power something i miss on steemit. I know you can find steempower but have not seen voting power on steemit.
Then it's on the next link where you can find out how much your vote is worth
https://www.steemnow.com/upvotecalc.html
Enter your steem power and press calculate you can also change the voting power if you feel like it
thats it totaly easy, hope this helps you
Steem on !!