Eye Drop Usage Calculator

by OB_product · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 16 Oct 2026

Calculate how many days your eye drops will last based on volume, frequency, and target eyes.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#311K

#250K among extensions

Version

1.0.1

updated 11 Feb 2026

Users

monthly, 9 months

Latest, 16 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 9 months

Latest, 16 Oct 2026: 0 ratingsMove the mouse over the chart for any month

The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.

About Eye Drop Usage Calculator

Quickly calculate how long your eye drop bottle will last. Simply enter: • Bottle size (mL) • Number of uses per day • Target (one eye or both eyes) The extension instantly estimates the number of days until the bottle runs out. Disclaimer: This tool is intended for general calculation purposes only and does not replace professional medical advice. Always follow your healthcare provider’s instructions regarding dosage and usage.