---
title: "Ideal Weight Calculator"
method: POST
path: "/api/v1/tools/ideal-weight-calculator"
tags: ["tools"]
---

# Ideal Weight Calculator

`POST /api/v1/tools/ideal-weight-calculator`

## Request

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

Ideal body weight from height and sex by the common formulas: Robinson (1983), Miller (1983), Devine (1974) and Hamwi (1964), with their average and the WHO healthy BMI band of 18.5 to 24.9 for the same height, all in kilograms and pounds. This is an indication, not medical advice.

## Request body

- object
  - `heightCm` integer
  - `sex` string

## Response `200`

Successful result

- object
  - `ok` boolean
  - `data` object
    - `sex` string
    - `heightCm` integer
    - `formulas` object[]
      - `name` string
      - `kg` number
      - `lb` number
    - `averageKg` number
    - `averageLb` number
    - `healthyBmiRange` object
      - `minKg` number
      - `maxKg` number
      - `minLb` number
      - `maxLb` number
    - `note` string

## 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)