{"uid":"cap_smPzgKzR4C1u00qX2J6Uh","slug":"investing-math-inflation-adjustment-calculator-c87a6666","name":"Investing Math – Inflation Adjustment Calculator","description":"What an amount costs or is worth after years of steady inflation, plus the real return after inflation for a nominal return.","url":"https://invest-math.x402tookit.com/inflation-adjust?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":["amount","inflationPct","years"],"properties":{"years":{"type":"number","description":"Years, 0 to 100"},"amount":{"type":"number","description":"Amount in today's money"},"inflationPct":{"type":"number","description":"Yearly inflation in percent, -10 to 100"},"nominalReturnPct":{"type":"number","description":"A nominal yearly return in percent, to get the real return"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"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"}},"halvingYears":{"type":["null","number"]},"priceMultiple":{"type":["null","number"]},"realReturnPct":{"type":["null","number"]},"futureCostOfToday":{"type":["null","number"]},"realGrowthOfAmount":{"type":["null","number"]},"cumulativeInflationPct":{"type":["null","number"]},"purchasingPowerOfAmount":{"type":["null","number"]}}}}}}},"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_tQTBgcbMf45V-eQQx9_ec","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":"Calculates the inflation-adjusted future cost of an amount and the real return after inflation for a given nominal return rate.","exampleAgentPrompt":"What will $25,000 cost in 15 years if inflation averages 3.5% per year, and what's the real return if I earn a nominal 7% annually?","exampleUseCases":[{"title":"Retirement savings inflation planning","prompt":"I have $150,000 saved for retirement and want to know what that will be worth in 25 years with 3% average inflation — also tell me the real return if my investments earn 6% nominal."},{"title":"College fund future cost estimate","prompt":"If college costs $60,000 today, what will it cost in 18 years assuming 5% annual inflation in education costs?"},{"title":"Fixed pension purchasing power check","prompt":"My pension pays $3,000 a month in today's money — what will its purchasing power be in 20 years if inflation runs at 4% per year?"}],"resultDescription":"Returns the future cost of the input amount after the specified years of inflation, the remaining purchasing power of that amount, cumulative inflation percentage, the price multiple, how many years until purchasing power halves, real growth of the amount, and optionally the real return percentage if a nominal return is provided. Also includes a summary, disclaimer, and data source metadata.","failureModes":["Missing required query parameters (amount, inflationPct, years) returns a validation error","Years outside 0–100 range may be rejected or produce extreme results","inflationPct outside -10 to 100 range may be rejected","Non-numeric parameter values cause parsing errors","Payment failure (x402) prevents the call from completing"],"whenToPreferThis":"Use this endpoint when you need fast, deterministic inflation math — specifically the future cost of a present-day amount, purchasing power erosion over time, or the real return after inflation for a nominal rate. Prefer it over general LLM estimates when you need precise numerical outputs like cumulative inflation percent, price multiples, or halving years for financial planning, retirement, or budgeting workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:35:31.978Z","isFirstParty":false,"canonicalSlug":"investing-math-inflation-adjustment-calculator-c87a6666"}