{"uid":"cap_DsBRRxw_AinYuwGM0igVg","slug":"home-energy-calculators-ev-charging-time-cost-range-dda09c8a","name":"Home Energy Calculators – EV Charging Time, Cost & Range","description":"Electric vehicle charging time, cost and range added from battery size, charge levels, charger power or circuit, and price.","url":"https://home-energy-calc.x402tookit.com/ev-charging?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":["batteryKwh","startPercent","endPercent"],"properties":{"level":{"type":"string","description":"Or level1 (120 V, 12 A) or level2 (240 V, 32 A)"},"volts":{"type":"number","description":"Circuit voltage with breakerAmps, 100 to 480 (default 240)"},"chargerKw":{"type":"number","description":"Charger power in kW delivered to the car's charger, 0.5 to 400 (or use breakerAmps, or level)"},"batteryKwh":{"type":"number","description":"Usable battery capacity in kWh, 5 to 300"},"endPercent":{"type":"number","description":"State of charge wanted, 1 to 100 (above the start)"},"breakerAmps":{"type":"number","description":"Or the circuit breaker size in amps; a continuous load may use 80% of it (voltage from volts, default 240)"},"milesPerKwh":{"type":"number","description":"Vehicle efficiency in miles per kWh, 0.5 to 8, for range added"},"pricePerKwh":{"type":"number","description":"Electricity price per kWh, for cost"},"startPercent":{"type":"number","description":"State of charge at the start, 0 to 99"},"chargingEfficiency":{"type":"number","description":"Wall-to-battery efficiency 0.7 to 1 (default 0.90 for AC charging)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"cost":{"type":["null","number"]},"hours":{"type":["null","number"]},"source":{"type":["null","string"]},"lossKwh":{"type":["null","number"]},"minutes":{"type":["null","number"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"chargerKw":{"type":["null","number"]},"batteryKwh":{"type":["null","number"]},"disclaimer":{"type":["null","string"]},"endPercent":{"type":["null","number"]},"milesAdded":{"type":["null","number"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"circuitAmps":{"type":["null","number"]},"costPerMile":{"type":["null","number"]},"circuitVolts":{"type":["null","number"]},"startPercent":{"type":["null","number"]},"chargerSource":{"type":["null","string"]},"energyFromWallKwh":{"type":["null","number"]},"chargingEfficiency":{"type":["null","number"]},"energyAddedToBatteryKwh":{"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_G0w7Lv53SSGZE3yVHM3r6","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 EV charging time, electricity cost, and range added from battery size, charge levels, charger power or circuit specs, and price per kWh.","exampleAgentPrompt":"How long will it take to charge my EV from 20% to 90% with a 77 kWh battery on a Level 2 charger at 240V/32A, and what will it cost if electricity is $0.14 per kWh? My car gets about 4 miles per kWh — also tell me how much range I'll add.","exampleUseCases":[{"title":"Overnight home charging plan","prompt":"My EV has a 75 kWh battery and is at 15% right now — I want to charge it to 100% overnight on my 240V/50 amp home circuit. How long will that take and what will it cost me at $0.12 per kWh?"},{"title":"Road trip top-up cost estimate","prompt":"I need to add about 150 miles of range to my car, which gets 3.5 miles per kWh. My battery is 82 kWh and I'm at 30%. How much will it cost to charge to 80% at a public Level 2 charger charging $0.25 per kWh?"},{"title":"New charger sizing decision","prompt":"I'm installing a home EV charger and want to know how fast I could charge my 100 kWh battery from 10% to 80% with an 11 kW charger versus a 7.2 kW charger — and what the electricity cost difference would be at $0.15 per kWh?"}],"resultDescription":"Returns a JSON object with charging time in hours and minutes, total electricity cost, energy added (net kWh), charging losses (kWh), charger power (kW), miles of range added (if efficiency provided), a plain-language summary, verdict, and any advisory reasons or warnings about the inputs.","failureModes":["Missing required parameters (batteryKwh, startPercent, endPercent) returns a validation error","endPercent must be greater than startPercent; invalid range returns an error","chargerKw, breakerAmps, or level must be specified for power; missing all three may cause degraded or null results","Out-of-range values (e.g. batteryKwh > 300, efficiency outside 0.7–1) return validation errors","pricePerKwh or milesPerKwh omitted causes cost or range fields to return null","Conflicting power inputs (chargerKw + breakerAmps + level) may lead to ambiguous results"],"whenToPreferThis":"Choose this endpoint when you need accurate EV charging calculations grounded in real electrical parameters (battery kWh, circuit amperage/voltage, charger kW) rather than rough app estimates. It is especially useful for home energy planning — comparing charger tiers, estimating overnight charge completion, or computing cost with block pricing. It supports both simple level-based inputs (level1/level2) and precise electrical circuit specs, making it suitable for both consumers and energy planning agents.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-29T13:13:39.395Z","isFirstParty":false,"canonicalSlug":"home-energy-calculators-ev-charging-time-cost-range-dda09c8a"}