---
title: "Dog Age Calculator (Human Years, Size-Adjusted)"
method: POST
path: "/api/v1/tools/dog-age-calculator"
tags: ["pet"]
---

# Dog Age Calculator (Human Years, Size-Adjusted)

`POST /api/v1/tools/dog-age-calculator`

## Request

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

Convert your dog age into human years the AKC way, adjusted for body size — not the old myth of multiplying by seven. Enter age and size for a real estimate.

## Request body

- object
  - `age` integer, required
  - `sizeClass` 'small' | 'medium' | 'large', 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)