How many milliliters are in 1 teaspoon?

One teaspoon is equivalent to 5 milliliters. This standard measurement is commonly used in both cooking and pharmacology to ensure accurate dosing and medication administration. Recognizing this conversion is vital in nursing and healthcare settings, as it helps in administering the correct dosage of medication, especially when prescriptions or instructions indicate dosages in teaspoons. Understanding the metric system and conversions is crucial for healthcare professionals to prevent errors in medication administration.