{"uid":"cap_Cf2dzaGUOI0xriCNQWc7c","slug":"agenttools-weight-mass-unit-converter-38b31873","name":"AgentTools Weight & Mass Unit Converter","description":"Convert between weight and mass units: metric tons, kilograms, grams, milligrams, pounds, ounces and stones with exact international definitions. Use this when an agent needs to kilograms, pounds, ounces and more.","url":"https://agentstoolshub.com/api/v1/converters/weight-converter?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["value","from","to"],"properties":{"to":{"enum":["t","kg","g","mg","lb","oz","st"],"type":"string","description":"To"},"from":{"enum":["t","kg","g","mg","lb","oz","st"],"type":"string","description":"From"},"value":{"type":"number","description":"Value"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_o-sqZPPDrIDosVMruWFZp","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a numeric value between weight/mass units including metric tons, kilograms, grams, milligrams, pounds, ounces, and stones using exact international definitions.","exampleAgentPrompt":"Can you convert 175 pounds to kilograms for me?","exampleUseCases":[{"title":"Fitness weight tracking conversion","prompt":"I weigh 13 stone 4 pounds — what is that in kilograms?"},{"title":"Recipe ingredient unit conversion","prompt":"My recipe calls for 250 grams of flour but I only have an ounce scale — how many ounces is that?"},{"title":"Shipping weight calculation","prompt":"I need to know how many metric tons 45,000 kilograms works out to for my freight quote."}],"resultDescription":"Returns the numeric converted value in the requested target unit, computed using exact international unit definitions. The response includes the converted amount ready for display or further processing.","failureModes":["Missing required query parameter (value, from, or to) returns an error","Unsupported unit code outside the allowed enum (t, kg, g, mg, lb, oz, st) returns a validation error","Non-numeric value input causes a bad request error","Payment failure or missing x402 payment header results in 402 Payment Required"],"whenToPreferThis":"Choose this endpoint when an agent needs a quick, precise weight or mass unit conversion between any of the seven standard units (metric tons, kg, g, mg, lb, oz, st). It is ideal for recipe scaling, fitness tracking, shipping calculations, or any workflow requiring reliable unit normalization. Prefer it over general-purpose math tools when the explicit weight-unit semantics and guaranteed international definitions matter.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:50:35.313Z","isFirstParty":false,"canonicalSlug":"agenttools-weight-mass-unit-converter-38b31873"}