Use a measuring spoon set if you have one
Use 1/3 tablespoon
Use 5 milliliters
Use 1/6 fluid ounce
Use a pinch as a rough estimate for very small amounts
Fill a standard medicine cup to the 5 mL line
Use three 1/3 teaspoon scoops if you need 1 tablespoon
Use a kitchen scale and weigh about 5 grams for water or similar liquids
Use a regular spoon and fill it about half full as an approximation