FREE PRINTABLE RULERS
Click on your favorite free printable ruler to view it full size, save, and print!
Be sure to have the “Actual size” box checked in your Adobe printing settings so the ruler is 100% accurate and no portions are cut off. Also, make sure the setting "Fit to page" is NOT checked.
For the size of the sponge the measurement is made along the length of the sponge. Make sure that the sponge must be first wet in order to take it's actual size.