Best Ring Size Calculator Apps

Ring Sizing

American Ring Size

Free

Accurately measure ring sizes using your phone's screen. Determine diameter, circumference, and convert between international sizing systems. Ideal for jewelers and shoppers needing precise measurements.

Ring Sizer Tool

Ring Size & Finger Measure

Free

Accurately measure your finger size or compare existing rings to find the perfect fit. This tool simplifies ring sizing for confident online purchases and jewelry selection.

RingDot - Ring Sizer

Find your fit

Free

Measure your ring size accurately by placing a ring on your screen and adjusting a dot to match its inner diameter. Get your size in seconds without needing a physical sizer.

Ring Sizer: Measuring Tool App

Measure Your Size: Ruler, Tape

Free

Easily determine your precise ring size with this user-friendly tool. Avoid guesswork and ensure a perfect fit for your next ring purchase, whether for yourself or a gift. It simplifies the sizing process for accurate results.

Ring Sizer: Measuring Tool

Ring Size & Finger Measure

Free

This app transforms your phone into a precision tool for measuring ring sizes and finger dimensions. It helps you find the perfect fit for jewelry, convert between international sizing standards, and save multiple measurements.

Ring Sizer - Measure Ring Size

Accurate Ring Sizer Finger App

Free

Easily determine your precise ring size using your iPhone's camera. Get measurements in various units and international standards, with helpful guides and sharing options.

The Ring Size App™ by Hitched

by Radius Technologies

Free

Easily determine your ring size from the comfort of your home. This app eliminates the need for physical charts or store visits, providing quick and accurate sizing in minutes.

Ring Sizer Pro

Jewellery ring size finder

$1.99

Accurately determine jewelry ring sizes using metric or imperial units. Supports multiple international sizing systems and offers visual guides for precise measurement. Easily share your ring size via email or social media.

PerfectFit® Ring Sizer

Find ring or finger size

$0.99

Accurately measure your ring size for any finger using advanced technology. This app eliminates the need for manual fittings and seamlessly integrates with online jewelry stores, solving sizing issues for e-commerce.

Jostens Ring Sizer

by Radius Technologies

Free

Easily determine your accurate ring size for any finger with this intuitive application. It provides precise measurements down to 1/8 sizes and offers convenient conversion to international sizing standards.