{"uid":"cap_Xhx00iFkI19ZrAjUi1NSB","slug":"baker-s-percentages-hydration-calculator-0eea8249","name":"Baker's Percentages & Hydration Calculator","description":"Baker's percentages and hydration from a gram formula, counting sourdough starter, with scaling to a flour or dough weight.","url":"https://cooking-calc.x402tookit.com/bakers-percentages?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":["formula"],"properties":{"formula":{"type":"string","description":"Weights in grams as name:grams lines separated by semicolons, for example 'bread flour:900; whole wheat flour:100; water:750; salt:20; starter:200'"},"targetDoughG":{"type":"number","description":"Or scale to this total dough weight in grams"},"targetFlourG":{"type":"number","description":"Scale the formula so total flour is this many grams"},"starterHydrationPct":{"type":"number","description":"Water as % of flour in the starter, 30 to 300 (default 100)"}}}},"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"]},"starterG":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"ingredients":{"type":["array","null"],"items":{"type":"object","properties":{"grams":{"type":["null","number"]},"ingredient":{"type":["null","string"]},"percentOfTotalFlour":{"type":["null","number"]}}}},"saltPercent":{"type":["null","number"]},"scaleFactor":{"type":["null","number"]},"totalDoughG":{"type":["null","number"]},"totalFlourG":{"type":["null","number"]},"totalWaterG":{"type":["null","number"]},"starterFlourG":{"type":["null","number"]},"starterWaterG":{"type":["null","number"]},"overallHydrationPercent":{"type":["null","number"]},"starterHydrationPercent":{"type":["null","number"]},"prefermentedFlourPercent":{"type":["null","number"]},"starterPercentOfTotalFlour":{"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_vrnXZPpEVdVYASYKljuRw","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":"Computes baker's percentages, hydration, and sourdough starter breakdown from a gram-based formula, with optional scaling to a target flour or dough weight.","exampleAgentPrompt":"Can you work out the baker's percentages and overall hydration for my sourdough — 900g bread flour, 100g whole wheat flour, 750g water, 20g salt, 200g starter — and scale it so the total flour comes to 500g?","exampleUseCases":[{"title":"Sourdough recipe hydration check","prompt":"I have a sourdough recipe: 800g bread flour, 200g whole wheat, 680g water, 18g salt, 160g starter at 100% hydration. What are the baker's percentages and overall hydration?"},{"title":"Scaling a loaf to a target dough weight","prompt":"Take my bread formula — 500g white flour, 350g water, 10g salt, 100g starter — and scale it up to a 2000g total dough weight. What does each ingredient become?"},{"title":"Checking prefermented flour with stiff starter","prompt":"My formula is 600g flour, 420g water, 12g salt, and 150g of a 65% hydration stiff starter. Can you calculate the baker's percentages, split the starter into its flour and water, and tell me the overall hydration and prefermented flour percentage?"}],"resultDescription":"Returns a structured breakdown including: each ingredient with its weight in grams and percentage of total flour, overall hydration percent, total flour grams, total water grams, total dough grams, starter flour and water split, salt percent, prefermented flour percent, scale factor applied, and any disclaimer or warnings.","failureModes":["Missing or malformed formula query parameter returns an error","Formula with no flour ingredients cannot compute percentages","starterHydrationPct outside 30–300 range may be rejected or clamped","Conflicting targetFlourG and targetDoughG may produce unexpected scale factor","Ingredient names with special characters may not parse correctly"],"whenToPreferThis":"Use this endpoint when a user needs to compute baker's percentages, hydration levels, or sourdough starter breakdowns from gram-weight bread formulas, especially when scaling to a target flour or dough weight. Prefer this over general cooking calculators when the recipe involves bread flour mixtures, sourdough starters, or professional bakery-style percentage analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:12:44.273Z","isFirstParty":false,"canonicalSlug":"baker-s-percentages-hydration-calculator-0eea8249"}