Question 482698
First, find the volume for your jar, which I take to be a right circular cylinder,
V = pir^2 *h
pi (.5)^2 * 6.25 = 4.9 inches cubed.
Now converting to ounces, I looked on the Internet and found this conversion formula of 1 cubic inch = 0.554 ounces.
4.9 * 0.554 = 2.715 ounces.
The site was http://www.conversion-metric.org/volume_conversion/cubic_inch_to_ounce_conversion.php
Cleomenius.