---
title: "Dog Age Calculator"
method: POST
path: "/api/v1/tools/dog-age-calculator"
tags: ["tools"]
---

# Dog Age Calculator

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

## Request

- Base URL: `https://toolforte.com`
- URL: `https://toolforte.com/api/v1/tools/dog-age-calculator`
- Auth: HTTP bearer

Convert a dog's age into human years with the epigenetic research formula, 16 x ln(age) + 31, and return the size-adjusted chart estimate and the old multiply-by-seven answer next to it. Cats are handled by the standard veterinary chart.

## Request body

- object
  - `age` integer
  - `species` string
  - `size` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `species` string
    - `size` string
    - `age` integer
    - `humanYears` number
    - `method` string
    - `chartYears` integer
    - `sevenTimesRule` integer

## Other responses

- `400`: Missing or invalid request fields
- `401`: Invalid or missing API key
- `429`: Monthly plan limit reached

---

[API](https://skmtc.dev/toolforte/apis/toolforte-api.md) · [All operations](https://skmtc.dev/toolforte/apis/toolforte-api/llms.txt) · [OpenAPI document](https://skmtc.dev/toolforte/apis/toolforte-api/revisions/4d814d484dfc?raw)