{"uid":"cap_HsjWWTYu4fjB_tOPZ8MBB","slug":"electronics-calculators-decibel-converter-14496a8d","name":"Electronics Calculators – Decibel Converter","description":"Decibel conversions: power or voltage ratio to dB and back, and dBm to milliwatts and watts and back.","url":"https://electronics-calc.x402tookit.com/decibels?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":[],"properties":{"db":{"type":"number","description":"dB value to convert to a ratio"},"dbm":{"type":"number","description":"dBm to convert to mW and W"},"kind":{"type":"string","description":"power (10 log, default) or amplitude (20 log: voltage, current, pressure)"},"ratio":{"type":"number","description":"Linear ratio to convert to dB"},"milliwatts":{"type":"number","description":"mW to convert to dBm"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"db":{"type":["null","number"]},"asOf":{"type":["null","string"]},"kind":{"type":["null","string"]},"ratio":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1PAeur1X6RYj_PDs0dmBf","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts between decibels and linear ratios (power or voltage/amplitude) and between dBm and milliwatts/watts.","exampleAgentPrompt":"What is a power ratio of 100 in decibels, and also convert 23 dBm to milliwatts and watts?","exampleUseCases":[{"title":"RF signal power level lookup","prompt":"I'm seeing a signal at 17 dBm — can you tell me what that is in milliwatts and watts?"},{"title":"Audio amplifier voltage gain conversion","prompt":"My audio amp has a voltage gain ratio of 10 — what is that in decibels? Use the amplitude (20 log) method."},{"title":"Antenna gain ratio to dB","prompt":"Convert a power ratio of 50 to decibels so I can express my antenna gain in dB."}],"resultDescription":"Returns the computed dB value, linear ratio, dBm, milliwatts and/or watts depending on the conversion requested, along with a summary string, the kind of conversion (power or amplitude), and any relevant disclaimer or source information.","failureModes":["Missing required input parameter (no ratio, db, dbm, or milliwatts provided) — returns an error or null results","Invalid kind parameter (not 'power' or 'amplitude') — may default to power or return an error","Non-numeric input for numeric fields — schema validation failure","Providing conflicting parameters simultaneously — undefined behavior or first-match logic"],"whenToPreferThis":"Use this endpoint when you need precise mathematical decibel conversions — ratio-to-dB, dB-to-ratio, dBm-to-mW/W, or mW-to-dBm — especially when you need to distinguish between power (10 log) and amplitude/voltage (20 log) conventions. Prefer this over general-purpose calculators when working in RF, audio, or telecom contexts where dBm is a native unit.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-26T00:35:31.371Z","isFirstParty":false,"canonicalSlug":"electronics-calculators-decibel-converter-14496a8d"}