The Dose-2-Weight Syringe is specifically calibrated to the dosage strength of Infants' Acetaminophen 160/5mL liquid medication and is marked with multiple correlated dosing measurements of child weight, age, and volume of medication. These measurements allow the dispensing of medication in all recommended dosing methods, including the highest standard of care, by delivering the lowest optimal dose for therapeutic efficacy of 4.57 mg per lb. to an exact infant weight. This weight-based dosing method and its optimal dosing of 4.57 mg per lb. is recommended by healthcare professionals and supported by decades of clinical studies; including those utilized for the introduction of Acetaminophen for pediatric use. This industry unique medication dispenser provides safety and convenience during preparation and administration, while in parallel provides ultra-precise dosing and visual reverification of the amount of medication specific to a child's age and/or weight. The Dose-2-Weight Syringe eliminates the need to correlate a specific dose from a medication package or other media to a medication dispenser.This design feature circumvents the procedures shown to be the primary cause of error during the preparation and administration of liquid medications via oral dispenser.