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.
Instead, visit the official Tachosoft website. Download the free trial. If you like it, pay for the license. Your time, data security, and accurate paychecks are worth the investment.
Because Tachosoft is a premium professional tool, many users search for cracked or free versions. While tempting, downloading a from unofficial sources carries significant risks: 1. Malware and Viruses --- Tachosoft Mileage Calculator 23.1 Free Download
Most "cracked" software found on file-sharing sites is bundled with trojans, ransomware, or keyloggers. Since this software often requires you to disable your antivirus to run the "patch," your computer becomes highly vulnerable. 2. Data Corruption Instead, visit the official Tachosoft website
: Designed for both beginners and professionals to navigate mileage adjustment tasks easily. Professional Application Your time, data security, and accurate paychecks are
Mileage correction is a precision task. A "free" version of the software may have corrupted database files. If the hex calculation is off by even a single digit, you risk "bricking" (permanently disabling) the vehicle's instrument cluster, leading to expensive repairs. 3. Legal and Ethical Concerns
When you search for version "23.1 free download," you will likely land on "cracked" software sites, torrents, or file-sharing boards. Here is why that is dangerous:
Unlike simple fuel trackers, this software is a technical tool used to rebuild the code stored in a digital dashboard's memory. It identifies the exact lines and bytes where mileage data is stored, allowing users to input a desired value and generate the corresponding hexadecimal code for manual modification or automated writing. Key Features of Version 23.1 Extensive Vehicle Support : Covers over 2,500 vehicle models
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
Instead, visit the official Tachosoft website. Download the free trial. If you like it, pay for the license. Your time, data security, and accurate paychecks are worth the investment.
Because Tachosoft is a premium professional tool, many users search for cracked or free versions. While tempting, downloading a from unofficial sources carries significant risks: 1. Malware and Viruses
Most "cracked" software found on file-sharing sites is bundled with trojans, ransomware, or keyloggers. Since this software often requires you to disable your antivirus to run the "patch," your computer becomes highly vulnerable. 2. Data Corruption
: Designed for both beginners and professionals to navigate mileage adjustment tasks easily. Professional Application
Mileage correction is a precision task. A "free" version of the software may have corrupted database files. If the hex calculation is off by even a single digit, you risk "bricking" (permanently disabling) the vehicle's instrument cluster, leading to expensive repairs. 3. Legal and Ethical Concerns
When you search for version "23.1 free download," you will likely land on "cracked" software sites, torrents, or file-sharing boards. Here is why that is dangerous:
Unlike simple fuel trackers, this software is a technical tool used to rebuild the code stored in a digital dashboard's memory. It identifies the exact lines and bytes where mileage data is stored, allowing users to input a desired value and generate the corresponding hexadecimal code for manual modification or automated writing. Key Features of Version 23.1 Extensive Vehicle Support : Covers over 2,500 vehicle models
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.
