Screenshots
About this app
Carit is the essential calculator app for bench jewelers. Built by a working jeweler who got tired of spreadsheets, scrap paper, and guesswork. FREE FEATURES: - Ring size chart with international size systems - Live gold, silver, platinum and palladium spot prices - Stone size charts - round + 10 fancy shapes - Ring blank length - strip length for any ring size and gauge - Unit converter - weight and length, including fractions - Gemstones reference - 30 languages, multi-currency support PRO FEATURES (7-day free trial): - Metal value calculator - melt value at live spot, all karats - Casting weight - CAD/wax volume to metal weight, live pricing - Wire, sheet and tube weight calculator, live pricing - Investment mixing and burnout - flask volume and casting plan - Models Library - save your molds and CAD models, priced in any alloy - Reference library - gauges, alloys, saw blades, files, abrasives, solders - Ring weight, live pricing - Sizing calculator, live pricing - Stone weight estimation from dimensions - Pave TCW counter - Eternity calculator - Halo calculator - stone count, spacing and fit around any center stone - Parallel heel - V graver heel and rotation for dual-angle fixture - STL Viewer with ring size identification and live metal pricing - Polygon ring layout calculator - Alloy mixing - build or convert any gold/silver alloy - Scrap buying calculator - what to pay for scrap metal - Full quote builder with import and export (XLSX) and local saving Whether you're sizing a ring, quoting a commission, or mixing an alloy at the bench - Carit gives you the answer in seconds. NO ACCOUNT NEEDED Carit works without an email, login, or signup. Your data stays on your device. WHO IT'S FOR - Bench jewelers and goldsmiths - Silversmiths and metalsmiths - Custom and bespoke makers - Repair and restoration workshops - Jewelry students and apprentices - Independent designers and small studios Built by a working jeweler. For jewelers. Questions or feedback? Email hello@getcarit.com or visit getcarit.com. Terms of Use: https://getcarit.com/terms.html Privacy Policy: https://getcarit.com/privacy.html
What's new
Version 1.2.3 · Jun 11, 2026
What's New in Version 1.2.3 Halo Calculator - plan stone counts and carat weight for any halo setting, with support for round and fancy-cut centre stones Parallel Heel Calculator - calculate V-graver heel and rotation angles for the GRS dual-angle fixture, with saveable presets and step-by-step grind guidance Gem Map Import - in the TCW Counter, import stone counts directly from a MatrixGold gem map image using on-device OCR; review and edit before confirming Solder Mix - new "From an alloy I have" mode for building a solder mix starting from an existing alloy Alloy Mixing - reworked Convert mode for faster metal conversion calculations Vietnamese - Carit is now available in Vietnamese
In-app purchases
The most popular purchases on the App Store.
- Carit Pro Monthly SubscriptionSubscription · 7 days free trial$199.00 / month
- Carit Pro Yearly SubscriptionSubscription · 7 days free trial$1,499.00 / year
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