# Services from jewelry-calc.x402tookit.com on Zero

> jewelry-calc.x402tookit.com serves 8 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/jewelry-calc.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/jewelry-calc.x402tookit.com/health.json

## Services

- [Jewelry Maker Calc – Ring Size Converter](https://www.zero.xyz/c/jewelry-maker-calc-ring-size-converter-81fd4a25/llms.txt): $0.02/call via x402. Converts a ring size among US, EU (ISO circumference), UK letter, inside diameter, and circumference in both mm and inches.
- [Jewelry Maker Calc – Necklace Length](https://www.zero.xyz/c/jewelry-maker-calc-necklace-length-f05cd0af/llms.txt): $0.02/call via x402. Returns the length range, body placement, and style name for a necklace given a style name, neck circumference, or chain length in inches.
- [Jewelry Maker Calc – Metal Casting Weight](https://www.zero.xyz/c/jewelry-maker-calc-metal-casting-weight-c17d13ab/llms.txt): $0.02/call via x402. Calculates the casting weight of metal jewelry pieces (in grams, pennyweight, and troy ounces) from a wax model weight or volume, for 15+ metals including gold alloys, silver, platinum, and more.
- [Jewelry Melt Value Calculator](https://www.zero.xyz/c/jewelry-melt-value-calculator-0dc63881/llms.txt): $0.02/call via x402. Calculates the intrinsic melt value of gold, silver, or platinum jewelry from weight, purity (karat or fineness), and a user-supplied spot price per troy ounce.
- [Jewelry Maker Calc – Karat & Alloy Calculator](https://www.zero.xyz/c/jewelry-maker-calc-karat-alloy-calculator-072823f1/llms.txt): $0.02/call via x402. Converts a gold karat to fineness and purity percentage, calculates how much alloy to add to fine gold to reach a target karat, or finds the resulting karat when mixing two pieces of gold.
- [Jewelry Maker Calc – Diamond Weight Estimator](https://www.zero.xyz/c/jewelry-maker-calc-diamond-weight-estimator-e16ca90a/llms.txt): $0.02/call via x402. Estimates a diamond's carat weight from its millimetre dimensions and shape, or calculates the typical diameter of a round stone for a given carat weight.
- [Jewelry Maker Calc – Bracelet & Anklet Length Calculator](https://www.zero.xyz/c/jewelry-maker-calc-bracelet-anklet-length-calculator-8161660e/llms.txt): $0.02/call via x402. Calculates the finished bracelet or anklet length from wrist/ankle circumference and desired fit, accounting for ease allowance and clasp length.
- [Jewelry Maker Calc – Bead Count](https://www.zero.xyz/c/jewelry-maker-calc-bead-count-133c09a5/llms.txt): $0.02/call via x402. Calculates the number of beads needed for a strand of a given finished length, given bead diameter and optional spacing, and returns total weight if bead weight is provided.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

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