OzToGallon is a free liquid measurement converter that instantly converts fluid ounces to gallons, milliliters, liters, cups, teaspoons, pints, quarts and CC — no manual math needed. No signup. No ads. No downloads. Just paste in your number and get instant accurate results on any device. Perfect for cooks scaling recipes, fitness enthusiasts tracking water intake, DIYers mixing chemicals, and homebrewers scaling batches.