Convert Your Glasses Prescription to Contacts

Free Calculator

 

How to Use

Quick Guide

1 Find Your Prescription 📋
Locate your official eyeglass prescription from your eye doctor (ophthalmologist or optometrist). This is required for accurate conversion.
2 Enter the Numbers ✏️
Fill in the SPH, CYL, and Axis for both eyes. Make sure to match your prescription exactly.
3 Convert Instantly ⚡
Tap "Convert Now" and get your contact lens power in seconds!

Enter your glasses prescription values below.
Don't have a CYL (Cylinder) value? Simply select 0.00.

Left Eye (OS)

Right Eye (OD)

Your Contact Lens Prescription

Left Eye (OS) Right Eye (OD)
Sphere (SPH) - -
Cylinder (CYL) - -
Axis - -
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