---
title: "Appliance Electricity Cost Calculator"
method: POST
path: "/api/v1/tools/electricity-cost-calculator"
tags: ["home"]
---

# Appliance Electricity Cost Calculator

`POST /api/v1/tools/electricity-cost-calculator`

## Request

- Base URL: `https://calcfleet.com`
- URL: `https://calcfleet.com/api/v1/tools/electricity-cost-calculator`
- Auth: none declared

Work out what any appliance really costs to run. Enter its watts, hours per day, and your kWh rate to see the cost per day, month, and year at a glance.

## Request body

- object
  - `watts` number, required
  - `hoursPerDay` number, required
  - `rate` number, required

## Response `200`

Successful calculation result.

- object
  - `result` object, required: Structured calculation output (fields vary per calculator).

## Other responses

- `400`: Invalid input — the issues array contains Zod validation errors.
- `403`: Forbidden — an Authorization: Bearer cf_… key was supplied but is invalid.
- `404`: Unknown tool slug.

---

[API](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api.md) · [All operations](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api/llms.txt) · [OpenAPI document](https://skmtc.dev/calcfleet/apis/calcfleet-financial-calculators-api/revisions/cd9abd595bbe?raw)