Formula
Base teaspoons = teaspoons + extra teaspoon fraction. Scaled teaspoons = base teaspoons × recipe scale multiplier. US tablespoons = scaled teaspoons ÷ 3. US cups = scaled teaspoons ÷ 48. US fluid ounces = scaled teaspoons ÷ 6. Millilitres ≈ scaled teaspoons × 4.92892159375.
