---
title: "Free Health & Fitness Tools & Calculators: Online Utilities | ShoutingNow"
description: "Free health and fitness calculators: BMI, height, and body metrics. Get instant results in your browser on ShoutingNow, with no signup needed."
url: "https://shoutingnow.com/tools/category/calculators/health-fitness-calculators/"
image: "https://shoutingnow.com/wp-content/uploads/2026/07/shoutingnow-preview-scaled.webp"
---

# Health & Fitness

Estimate BMI, body metrics, and wellness numbers with free health calculators. Enter your details, review clear results, and use the guidance to understand what the numbers mean.

## Items
- [Height Calculator](https://shoutingnow.com/tools/height-calculator/)
  Free child height predictor with Khamis-Roche regression and parents-only method. Visual comparison chart with male and female silhouettes, plus cm ↔ ft/in converter.
- [BMI Calculator](https://shoutingnow.com/tools/bmi-calculator/)
  Free BMI calculator with a gauge meter, WHO adult categories, healthy weight range, BMI Prime, and Ponderal Index. Use US or metric units for adults and teens, then save the result in your browser.

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