You can find a standard calibrated scale available for purchase on the Etsy store of just about any feminist, a.k.a. "bitter harpy shrew".

::shrugs::

You boys make tshirts and mugs announcing to the world how much you hate us, we make scales because we know you're goinf to be an asshole and get up in your hateful feels that we dislike male violence. It's not enjoyable.

News at Eleven. It's Wednesday.