Patient tools
Free tools for better medication management.
Simple, ad-free utilities designed for people who take medications regularly. No account needed.
Medication Refill Calculator
Calculate medication days left, your estimated run-out date, when to request a refill, and an ideal reminder window before supply gets low.
Medication Schedule Builder
Add up to 10 medications with dosage, frequency, and timing details. Generate a clean 7-day grid and export it as a printable PDF or send directly to print.
Drug Half-Life Calculator
Estimate how much of a medication may remain after a given time using a first-order half-life formula.
Vitamin D Calculator
Check daily vitamin D reference intake by age, convert IU and mcg, compare your intake with the upper limit, and review optional 25(OH)D lab ranges.
Water Intake Calculator
Estimate a daily drink target from total-water reference values, add a hot-weather activity range, and compare what you have already drunk today.
Blood Sugar Converter
Convert blood glucose between mg/dL and mmol/L, then compare the value with common fasting, before-meal, after-meal, low, and high reference points.