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.
Compounding trigonometric expressions into single sine or cosine functions.
Modeling with Sine/Cosine functions. How to Find the TeeJay Higher Maths PDF (Updated)
: Solving complex growth and decay problems. teejay higher maths textbook pdf updated
For those with print disability or specific educational needs, the Books for All Database provides accessible PDF versions provided by TeeJay Publishers.
References to how graphing software (like Desmos or GeoGebra) can be used to visualize functions and calculus concepts. For those with print disability or specific educational
If you need extra practice without buying a full textbook, several reputable Scottish education websites offer free, high-quality Higher Maths PDF resources, notes, and step-by-step solutions:
Frequent exercises allow for constant reinforcement of learning. The updated TeeJay Higher Maths textbook is a
The updated TeeJay Higher Maths textbook is a powerful tool in any student’s toolkit. By providing a structured approach, extensive practice, and alignment with SQA standards, it helps bridge the gap between understanding concepts and achieving a high grade. Ensure you are using the latest version to get the best out of your revision. If you’d like, Links to . Tips on how to structure your exam answers .
The book adheres to the TeeJay philosophy of "progression and consolidation," helping students build confidence gradually.
Scottish schools can often access digital versions for pupils with additional support needs through the Books for All Scotland Database .
: Provides comprehensive guidance on using RStudio (Posit) and Excel , including links to online datasets and demo videos.
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
Compounding trigonometric expressions into single sine or cosine functions.
Modeling with Sine/Cosine functions. How to Find the TeeJay Higher Maths PDF (Updated)
: Solving complex growth and decay problems.
For those with print disability or specific educational needs, the Books for All Database provides accessible PDF versions provided by TeeJay Publishers.
References to how graphing software (like Desmos or GeoGebra) can be used to visualize functions and calculus concepts.
If you need extra practice without buying a full textbook, several reputable Scottish education websites offer free, high-quality Higher Maths PDF resources, notes, and step-by-step solutions:
Frequent exercises allow for constant reinforcement of learning.
The updated TeeJay Higher Maths textbook is a powerful tool in any student’s toolkit. By providing a structured approach, extensive practice, and alignment with SQA standards, it helps bridge the gap between understanding concepts and achieving a high grade. Ensure you are using the latest version to get the best out of your revision. If you’d like, Links to . Tips on how to structure your exam answers .
The book adheres to the TeeJay philosophy of "progression and consolidation," helping students build confidence gradually.
Scottish schools can often access digital versions for pupils with additional support needs through the Books for All Scotland Database .
: Provides comprehensive guidance on using RStudio (Posit) and Excel , including links to online datasets and demo videos.
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.
