Volume Volume unit conversion Value to be converted Initial Unit Converted Values mililiter mL liter L cubic meter m3 barrel (oil) bbl acre foot acre-foot ounce (US) oz cup (US) cup pint (US) pt quart (US) qt gallon (US) gal cubic inch in3 cubic feet ft3 cubic yard yd3 Login Username or Email: Password: signup now | forgot password? Remember Me Sign up for free if you are not a member already.