---
title: "Free Online Calculators – Method Calculator"
description: "Free online calculators and generators for finance, health and fitness, math and everyday life. Mortgage, BMI, percentage, age, QR code, password and more — simple, accurate and fast."
canonical_url: "https://methodcalculator.com/"
meta:
  "og:description": "Free online calculators and generators for finance, health and fitness, math and everyday life. Mortgage, BMI, percentage, age, QR code, password and more — simple, accurate and fast."
  "og:image": "https://methodcalculator.com/_og/s/o_705fb31c07491cd7.png"
  "og:image:height": "600"
  "og:image:type": image/png
  "og:image:width": "1200"
  "og:title": "Method Calculator: Free Online Calculators"
  "twitter:image": "https://methodcalculator.com/_og/s/o_705fb31c07491cd7.png"
---

> Index of every page on this site: [llms.txt](https://methodcalculator.com/llms.txt)

# **Free Online Calculators **

Simple, accurate calculators for financial, health, math and everyday questions. Every tool shows the method behind the result, so you can understand it, not just read it.

- [Mortgage](https://methodcalculator.com/mortgage-calculator)
- [Loan](https://methodcalculator.com/loan-calculator)
- [Compound Interest](https://methodcalculator.com/compound-interest-calculator)
- [Salary](https://methodcalculator.com/salary-calculator)
- [Tip](https://methodcalculator.com/tip-calculator)
- [Discount](https://methodcalculator.com/discount-calculator)
- [BMI](https://methodcalculator.com/bmi-calculator)
- [Calorie](https://methodcalculator.com/calorie-calculator)

## [Financial Calculators](https://methodcalculator.com/financial-calculators)

**12**

- [Mortgage Calculator](https://methodcalculator.com/mortgage-calculator)
- [Loan Calculator](https://methodcalculator.com/loan-calculator)
- [Auto Loan Calculator](https://methodcalculator.com/auto-loan-calculator)
- [Compound Interest Calculator](https://methodcalculator.com/compound-interest-calculator)
- [Simple Interest Calculator](https://methodcalculator.com/simple-interest-calculator)
- [Salary Calculator](https://methodcalculator.com/salary-calculator)

[**View all 12 → **](https://methodcalculator.com/financial-calculators)

## [Fitness & Health Calculators](https://methodcalculator.com/fitness-and-health-calculators)

**13**

- [BMI Calculator](https://methodcalculator.com/bmi-calculator)
- [BMR Calculator](https://methodcalculator.com/bmr-calculator)
- [Calorie Calculator](https://methodcalculator.com/calorie-calculator)
- [Body Fat Calculator](https://methodcalculator.com/body-fat-calculator)
- [Ideal Weight Calculator](https://methodcalculator.com/ideal-weight-calculator)
- [Macro Calculator](https://methodcalculator.com/macro-calculator)

[**View all 13 → **](https://methodcalculator.com/fitness-and-health-calculators)

## [Math Calculators](https://methodcalculator.com/math-calculators)

**14**

- [Percentage Calculator](https://methodcalculator.com/percentage-calculator)
- [Fraction Calculator](https://methodcalculator.com/fraction-calculator)
- [Average Calculator](https://methodcalculator.com/average-calculator)
- [Standard Deviation Calculator](https://methodcalculator.com/standard-deviation-calculator)
- [Ratio Calculator](https://methodcalculator.com/ratio-calculator)
- [Pythagorean Theorem Calculator](https://methodcalculator.com/pythagorean-theorem-calculator)

[**View all 14 → **](https://methodcalculator.com/math-calculators)

## [Other Calculators](https://methodcalculator.com/other-calculators)

**12**

- [Age Calculator](https://methodcalculator.com/age-calculator)
- [Date Calculator](https://methodcalculator.com/date-calculator)
- [Time Calculator](https://methodcalculator.com/time-calculator)
- [GPA Calculator](https://methodcalculator.com/gpa-calculator)
- [Grade Calculator](https://methodcalculator.com/grade-calculator)
- [Height Converter](https://methodcalculator.com/height-converter)

[**View all 12 → **](https://methodcalculator.com/other-calculators)

## [Generators & Tools](https://methodcalculator.com/tools)

**9**

- [QR Code Generator](https://methodcalculator.com/qr-code-generator)
- [Password Generator](https://methodcalculator.com/password-generator)
- [Random Number Generator](https://methodcalculator.com/random-number-generator)
- [Dice Roller](https://methodcalculator.com/dice-roller)
- [Random Picker](https://methodcalculator.com/random-picker)
- [UUID Generator](https://methodcalculator.com/uuid-generator)

[**View all 9 → **](https://methodcalculator.com/tools)

## About Method Calculator

Calculators should be fast, free and honest about how they work. Each page on this site pairs a simple calculator with a plain-English explanation of the formula, a worked example and answers to common questions. Nothing to install, no sign-up and results update as you type.

Browse by category above, or search for a calculator by name. If you spot an error or want a calculator we don't have yet, [let us know](https://methodcalculator.com/contact).

```json
{"@context":"https://schema.org","@graph":[{"@id":"https://methodcalculator.com/#website","@type":"WebSite","description":"Free online calculators and generators for finance, health and fitness, math and everyday life. Mortgage, BMI, percentage, age, QR code, password and more — simple, accurate and fast.","inLanguage":"en","name":"Method Calculator","url":"https://methodcalculator.com/","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://methodcalculator.com/search?q={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"publisher":{"@id":"https://methodcalculator.com/#identity"}},{"@id":"https://methodcalculator.com/#webpage","dateModified":"2026-11-03T23:24:59+01:00","datePublished":"2026-11-02T05:13:30+01:00","description":"Free online calculators and generators for finance, health and fitness, math and everyday life. Mortgage, BMI, percentage, age, QR code, password and more — simple, accurate and fast.","name":"Free Online Calculators","url":"https://methodcalculator.com/","@type":["WebPage","CollectionPage"],"about":{"@id":"https://methodcalculator.com/#identity"},"isPartOf":{"@id":"https://methodcalculator.com/#website"},"potentialAction":[{"@type":"ReadAction","target":["https://methodcalculator.com/"]}],"primaryImageOfPage":{"@id":"https://methodcalculator.com/#logo"}},{"@id":"https://methodcalculator.com/#identity","@type":"Organization","name":"Method Calculator","url":"https://methodcalculator.com","logo":{"@id":"https://methodcalculator.com/#logo"}},{"@id":"https://methodcalculator.com/#logo","@type":"ImageObject","caption":"Method Calculator","contentUrl":"https://methodcalculator.com/favicon.svg","inLanguage":"en","url":"https://methodcalculator.com/favicon.svg"}]}
```

## Sitemap

See the full [sitemap](https://methodcalculator.com/sitemap.md) for all pages.