No, they are not.
160ml = 5.63121 fluid oz
2.536 ozs. 75 cc *(.03381 ozs/cc)=2.536 ozs
16.9 ozs 16.9 ozs
739.33 ml
14.7867648 mL.
1 quart = 32 fluid oz US or 40 fluid oz UK.
Assuming your tea cup holds six fluid ounces, then 18 fluid ounces would be equal to three tea cups.
8.5 US fluid ounces = 251.375 ml
1.7 FLUID ONCES is 48.30 mils
875 ml = 29.59 US fluid ounces
A fifth of a cup is 1.6 fluid ounces