Go to https://steemnow.com/upvotecalc.html
You can see all the variables like steem power, voting power, voting weight. So just put the values in those respective field and then see how much worth of upvote it yields. This upvote calculator can help you get the answer of the question you have asked here.
Thank you and Have a great day.
Just use the https://steemworld.org/@xplosive link. Obviously replace "@xplosive" with your account name to view your account's details.
It is much better than what @shivohum2015 is suggested, because you don't need to edit and/or fill in any variables. The website is automatically showing the current value of your upvote. The website is also showing many other details, so it is very useful/helpful.