---
title: "Baking Pan Size Conversion Calculator"
method: POST
path: "/api/v1/tools/baking-pan-conversion-calculator"
tags: ["cooking"]
---

# Baking Pan Size Conversion Calculator

`POST /api/v1/tools/baking-pan-conversion-calculator`

## Request

- Base URL: `https://calcfleet.com`
- URL: `https://calcfleet.com/api/v1/tools/baking-pan-conversion-calculator`
- Auth: none declared

Convert a recipe between round, square, and rectangular baking pans. Scale batter by pan area, not diameter, to see the exact ratio and bake-time guidance.

## Request body

- object
  - `original` object, required
    - `shape` 'round' | 'rectangular' | 'square', required
    - `diameter` number
    - `length` number
    - `width` number
    - `side` number
  - `target` object, required
    - `shape` 'round' | 'rectangular' | 'square', required
    - `diameter` number
    - `length` number
    - `width` number
    - `side` number

## 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)