Free contact lens calculators

What do your lenses
really cost?

Boxes of 6, 30 or 90, one eye or two, solution or none. Two small tools put them on the same monthly bill.

Compare contact lens prices Free to use. No sign-up. Nothing you type leaves your browser. Buy only the brand, base curve, diameter and power on your current prescription; see an eye-care professional for fitting and follow-up.

Cost per month

Contact lens cost per month calculator

Enter what you pay for a box, how many lenses it holds and how often you replace a lens: see what a month of wear costs for both eyes, solution included.

Compare schedules

Daily vs monthly contact lens cost calculator

Enter a box of daily lenses and a box of monthly lenses with your solution budget: see which costs less per month for your eyes, and by how much over a year.

Put the numbers to work

Find the cheapest wearing day.

Our catalog ranks Amazon contact lenses by price per 30 wearing days for one eye, and lens solution per 100 ml.

Compare contact lens prices