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.
Use our free online tool. No download needed.
Step 1: Calibrate Your Screen
Place a standard credit card on your screen for pixel density calibration.
Place your ring on the screen and drag the handles to match its inner edge.
Your Ring Size
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US Size
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UK Size
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EU Size
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Japan Size
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Diameter (mm)
Tip: Calibrate your screen with a credit card first for maximum accuracy. Want size history, family profiles, and advanced features? Download the app.
A standard credit card is 85.6mm wide. Drag the handles to match your card's width exactly.
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
: Synchronizes parts and net names between the board view and schematic PDF automatically. Part Search
Searching online for a or a bypassed license key for Paul Daniels' FlexBV software is a common temptation for budget-conscious repair technicians. FlexBV5 is a highly respected, commercial cross-platform boardview application. It seamlessly synchronizes PDF schematics with physical circuit board traces. This functionality makes it indispensable for diagnosing complex faults in MacBook, iPhone, and laptop motherboards.
The temptation to search for a "FlexBV crack" is understandable, driven by a desire to access professional tools without a financial investment. However, the hidden costs of this path are immense. By choosing to download a cracked version, you gamble not only with the security of your personal data but also with the stability of your system, the integrity of your work, and your professional reputation.
Many users may not realize that the creator of FlexBV offers a completely free version of the software. The "FlexBV Free" version is not a time-limited trial; it is a fully functional edition with the core features for viewing boardview files and schematics, albeit likely with some advanced features disabled compared to the paid version. You can download the official FlexBV Free version directly from the developer's website at https://pldaniels.com/flexbv5/ . This is the safest possible way to use FlexBV without paying. Flexbv Crack
A "Flexbv crack" is a modified version of the original software application. Hackers or developers remove, bypass, or neutralize the software's license verification mechanisms (such as serial numbers, activation codes, or cloud-based checks). This allows users to run the program without paying for a legitimate license. These files are typically distributed via: Torrent websites Shadowy file-sharing platforms "Warez" forums Social media groups promising "free premium software." The Severe Dangers of Using a Flexbv Crack
However, a quick search for “FlexBV crack” reveals a darker side. Many users, particularly students, small agencies, or independent researchers, seek unauthorized versions to avoid the software’s licensing cost. This article explores what FlexBV truly offers, the severe risks of using cracked software, and legitimate pathways to access similar capabilities—without breaking the law or compromising your systems.
Cracked executables ( .exe or .app files) are common vehicles for malware. A could contain keyloggers, Trojans, or ransomware that can lock your computer, steal client data, and damage your repair business reputation. 2. Lack of Updates : Synchronizes parts and net names between the
Cracks, keygens, and "patched" executables are the primary delivery methods for malware. Because you have to disable your antivirus to install them, you are essentially giving a backdoor to your system. This can lead to stolen passwords, encrypted files, or your computer being used in a botnet.
Detailed visualization of motherboard components, nets, and layers.
Using a cracked version of FlexBV can lead to: However, the hidden costs of this path are immense
Most modern "cracks" for niche engineering software contain silent trojans like RedLine or Vidar. These programs scrape your browser histories, saved passwords, crypto wallets, and active session cookies, uploading them directly to hackers.
: Other paid boardview tools exist in the market, such as XinZhiZao, which some users have noted as an interesting alternative. However, given FlexBV's reasonable price point and perpetual license, it remains highly competitive.
Here is that article.
Cracked software is often buggy. Because the original code has been tampered with, it may cause: Frequent crashes. Inability to save files correctly. Corruption of your existing files.
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.