# Services from units-convert.x402tookit.com on Zero

> units-convert.x402tookit.com serves 9 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/units-convert.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/units-convert.x402tookit.com/health.json

## Services

- [Cooking Unit Converter](https://www.zero.xyz/c/cooking-unit-converter-90792616/llms.txt): $0.02/call via x402. Converts cooking measurements between volume and weight units (cups, tablespoons, teaspoons, ml, oz, grams, etc.) with ingredient-aware density for flour, sugar, butter, and more.
- [Roman Numeral Converter and Validator](https://www.zero.xyz/c/roman-numeral-converter-and-validator-9a4450d2/llms.txt): $0.02/call via x402. Converts integers (1-3999) to Roman numerals, Roman numerals to integers, and validates whether a Roman numeral is in canonical form.
- [Base Number Converter](https://www.zero.xyz/c/base-number-converter-29b16799/llms.txt): $0.02/call via x402. Converts a number between any two bases from 2 to 36 (binary, octal, decimal, hex, etc.) with big-integer precision
- [Data Size Unit Converter with Transfer Time](https://www.zero.xyz/c/data-size-unit-converter-with-transfer-time-a5a94120/llms.txt): $0.02/call via x402. Converts a data size value between decimal (B/KB/MB/GB/TB/PB) and binary (KiB/MiB/GiB/TiB/PiB) units, and optionally calculates transfer time at a given link speed in Mbps.
- [Duration Format & Parse](https://www.zero.xyz/c/duration-format-parse-75b771cf/llms.txt): $0.02/call via x402. Formats a number of seconds into a human-readable duration string or parses a duration text like '1d 3h 20m' back into numeric components (seconds, minutes, hours, days).
- [Apparent Temperature Calculator (Heat Index & Wind Chill)](https://www.zero.xyz/c/apparent-temperature-calculator-heat-index-wind-chill-e9daef1a/llms.txt): $0.02/call via x402. Calculates apparent (feels-like) temperature using heat index from temperature and humidity, or wind chill from temperature and wind speed, with a danger category.
- [Fuel Economy Unit Converter](https://www.zero.xyz/c/fuel-economy-unit-converter-48b3ce66/llms.txt): $0.02/call via x402. Converts a fuel economy value between US mpg, UK mpg, km/L, and L/100km, optionally calculating trip fuel usage and cost.
- [Number to Words Converter](https://www.zero.xyz/c/number-to-words-converter-e488a2b8/llms.txt): $0.02/call via x402. Converts a whole number (or dollar amount) into its English cardinal words, ordinal words, and check-writing dollar/cents format.
- [Units and Conversions – Physical Unit Converter](https://www.zero.xyz/c/units-and-conversions-physical-unit-converter-663c5781/llms.txt): $0.02/call via x402. Converts a numeric value from one physical unit to another across length, mass, volume, area, speed, pressure, energy, power, time, and temperature.

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

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