How many oz of formula does your baby drink?

Vicky • 28 yrs old - Dog lover - Eats everything
My baby is 14 weeks old, weighs 13 lbs, and currently taking 4 oz every 2.5 hours. I'm trying to extend her to 3-4 hours, but afraid of overfeeding her. Can other mamas give me an idea of how much you're giving your baby? I just want to get a rough idea.
Thank you! 💕