{"id":"length-convert","version":"1.0.0","description":"Convert a canonical integer length between exact SI and international customary units.","supported_operations":["length convert","convert length units","convert integer length between units"],"unsupported_operations":["nautical miles","survey feet","SI prefixes other than nm um mm cm m km","floating-point lengths"],"semantics":["value is a canonical integer string amount in the from unit and may be negative.","from and to are exactly one of nm, um, mm, cm, m, km, in, ft, yd, mi using the LENGTH_NM table.","The result is the reduced rational (value * from_nm) / to_nm expressed in to units.","Sign lives only on the numerator; zero is numerator 0 over denominator 1.","Input integers and the reduced numerator and denominator may have at most 1000 digits excluding sign."],"limits":{"max_digits":1000,"units":["nm","um","mm","cm","m","km","in","ft","yd","mi"]},"pricing":{"status":"unpriced","charge_usd":null},"input_schema":{"type":"object","additionalProperties":false,"required":["value","from","to"],"properties":{"value":{"type":"string","pattern":"^-?(0|[1-9][0-9]*)$","maxLength":1001},"from":{"type":"string","enum":["nm","um","mm","cm","m","km","in","ft","yd","mi"]},"to":{"type":"string","enum":["nm","um","mm","cm","m","km","in","ft","yd","mi"]}}},"output_schema":{"type":"object","additionalProperties":false,"required":["numerator","denominator"],"properties":{"numerator":{"type":"string","pattern":"^(0|-?[1-9][0-9]*)$"},"denominator":{"type":"string","pattern":"^[1-9][0-9]*$"}}},"examples":[{"input":{"value":"1","from":"ft","to":"in"},"output":{"numerator":"12","denominator":"1"}}],"execute_url":"/v1/tools/length-convert/versions/1.0.0/execute"}