RingFit: Ring Sizer & Measure

Find your ring size in seconds—without visiting a jeweller, using paper strips or guessing. RingFit turns your phone into an accurate ring sizer and ring-size measuring tool. Measure a ring you already own or measure your finger directly on screen, then convert the result to UK, US, EU, Japan, India and other international standards.

Used by 500,000+ people for engagement rings, wedding bands, gifts and online jewellery shopping.

RING SIZER—MEASURE A RING
• Place a ring on the screen and match the circle to its inner edge
• View the inner diameter and circumference in millimetres
• See the matching size across international ring-size systems
• Useful for surprise gifts when you can borrow a ring they already wear

FINGER SIZER—NO RING NEEDED
• Measure your finger directly on your phone screen
• Follow a simple on-screen guide for a comfortable fit
• Ideal for first-time buyers and online ring shopping

RING SIZE CHART & CONVERTER
• Compare diameter, circumference and ring sizes in one chart
• Convert between UK, US, EU, Japanese, Indian and other standards
• Keep an international ring-size finder in your pocket

SAVED SIZES & GIFT PROFILES
• Save measurements for later
• Create profiles for your partner, family and friends
• Plan engagement, anniversary, birthday or Valentine’s Day gifts

GOLD & SILVER RATES + JEWELLERY CALCULATOR
• Check current gold and silver rates around the world
• Estimate jewellery value using weight and purity
• Useful for buyers, sellers, collectors and jewellery professionals

JEWELLERY CARE GUIDE
Learn how to clean and store gold and silver jewellery and keep rings looking their best.

HOW TO MEASURE RING SIZE AT HOME
Open RingFit, choose Ring Sizer if you have a ring or Finger Sizer if you do not, follow the guide and read your size in seconds. No printable chart, string or measuring tape is required.

Download RingFit and get the right fit the first time.

Questions or feedback? Email avinyasys@gmail.com.