Free iPhone ring sizer app: measure a ring on screen, measure finger width, convert US, UK, EU, JP and letter sizes, and save sizes in seconds.
5.84k+ downloads · 4.8 stars
Updated iPhone interface
The updated app keeps ring measurement, finger measurement, conversion, and saved sizes cleanly connected.
Measure a ring, measure a finger, convert standards, and save sizes without visiting a jeweler.
Ring Measurement
Place a ring on the circle and adjust the guide until the inner edge matches.
Saved Sizes
Keep important ring sizes ready for yourself, family, partners, and gift planning.
Global Size Standards
Convert between US, UK, EU, Japan, Australia, India, and millimeter measurements.
Finger Width Mode
No ring? Measure your finger directly across the on-screen bar and fine-tune the millimeter value.
Offline & Private
Works fully offline. Your data never leaves your device. Zero tracking.
Instant Results
Your size appears immediately in all major standards — US, UK, EU, and more.
Engagement Ready
Planning a surprise proposal? Secretly measure a ring while they're away.
Size History
Track how your ring size changes over time with measurement history.
Clean iPhone UI
Large controls, clear rulers, and focused sheets make each sizing task easy to follow.
LGBTQ culture is rich and diverse, with a wide range of expressions and experiences. The transgender community is an integral part of this culture, with many significant contributions to art, literature, music, and activism.
The transgender community and LGBTQ culture are intricately linked, with a rich history and a vibrant present. The transgender community, in particular, has faced significant challenges and marginalization, but has also made tremendous strides in recent years. big cock shemale pic
Despite the challenges faced by the transgender community, there is a strong tradition of activism and resistance. Many organizations, advocates, and allies are working to promote understanding, acceptance, and equality. LGBTQ culture is rich and diverse, with a
The transgender community and LGBTQ culture are vibrant and diverse, with a rich history and a strong tradition of activism. While significant challenges remain, there is also a growing movement for change, with many advocates, organizations, and allies working to promote understanding, acceptance, and equality. The transgender community and LGBTQ culture are vibrant
Overall, I would give this topic a 5/5 rating, reflecting the complexity and importance of the issues discussed. The review highlights the challenges faced by the transgender community, as well as the rich cultural heritage and ongoing activism that define this community.
The modern transgender rights movement is often traced back to the 1950s and 1960s, with key events such as the Compton's Cafeteria riot (1966) and the Stonewall riots (1969). These events marked a turning point in the fight for LGBTQ+ rights, with transgender individuals, particularly trans women of color, playing a leading role.
No jeweler visit. No guesswork. Just your phone.
Choose a Mode
Measure an existing ring on the circle, or switch to finger width mode when no ring is available.
Align the Guide
Use the ruler, slider, and plus/minus controls to match the ring or finger width precisely.
Save or Convert
See the measurement instantly, save it for later, or convert it between international standards.
Buy jewelry anywhere in the world with confidence.
US
& Canada
UK
& Australia
EU
Europe
JP
Japan
IN
India
mm
Diameter
Ring Sizer works entirely offline. Your measurements never leave your device. We don't collect, share, or sell any of your data. Ever.
"Used this app to measure ring size. It's accurate and it's really helpful."
Pradep12 · App Store Review
LGBTQ culture is rich and diverse, with a wide range of expressions and experiences. The transgender community is an integral part of this culture, with many significant contributions to art, literature, music, and activism.
The transgender community and LGBTQ culture are intricately linked, with a rich history and a vibrant present. The transgender community, in particular, has faced significant challenges and marginalization, but has also made tremendous strides in recent years.
Despite the challenges faced by the transgender community, there is a strong tradition of activism and resistance. Many organizations, advocates, and allies are working to promote understanding, acceptance, and equality.
The transgender community and LGBTQ culture are vibrant and diverse, with a rich history and a strong tradition of activism. While significant challenges remain, there is also a growing movement for change, with many advocates, organizations, and allies working to promote understanding, acceptance, and equality.
Overall, I would give this topic a 5/5 rating, reflecting the complexity and importance of the issues discussed. The review highlights the challenges faced by the transgender community, as well as the rich cultural heritage and ongoing activism that define this community.
The modern transgender rights movement is often traced back to the 1950s and 1960s, with key events such as the Compton's Cafeteria riot (1966) and the Stonewall riots (1969). These events marked a turning point in the fight for LGBTQ+ rights, with transgender individuals, particularly trans women of color, playing a leading role.
Guides, tools, and charts to help you find the perfect fit.
Ring Size Chart
Complete conversion chart for US, UK, EU, Japan, and Australian ring sizes with diameter in mm.
How to Measure Ring Size at Home
5 free methods to find your ring size without visiting a jeweler — app, string, paper strip, and more.
Ring Size Calculator
Enter your ring diameter or circumference to instantly find your size in every international standard.
UK Ring Sizes (A–Z)
British letter-based sizing guide with full chart, Hatton Garden tips, and UK to US conversion.
Men's Ring Size Guide
Average men's ring sizes, measurement tips, and a complete chart for wedding bands and signet rings.
Secret Engagement Ring Sizing
How to find your partner's ring size without them knowing — clever tips for surprise proposals.
Free to download. Works on iPhone. No tools needed.
