# FreeCalculators.ai - LLMs.txt

## About
FreeCalculators.ai is a comprehensive online platform offering 100+ free calculators across multiple categories including Math, Finance, Business, Health, Education, and more. All calculators are free to use with no signup required.

## Base URL
https://freecalculators.ai

## Main Sections

### Homepage
- URL: /
- Description: Main landing page featuring featured calculators, calculator of the day, trending calculators, and quick access to popular tools

### Calculators Directory
- URL: /calculators
- Description: Browse all calculators organized by category

### Calculator Categories
Calculators are organized into the following main categories:

1. **Math** (/calculators/math)
   - Basic calculator
   - Scientific calculator
   - Graphing calculator
   - Matrix calculator
   - Unit converter

2. **Finance** (/calculators/finance)
   - Mortgage calculator
   - Net worth calculator
   - Investment calculators
   - Loan calculators
   - Financial planning tools

3. **Business** (/calculators/business)
   - Business calculators and analysis tools
   - ROI calculators
   - Profit margin calculators

4. **Health** (/calculators/health)
   - BMI calculator
   - Health assessment tools
   - Medical calculators

5. **Education** (/calculators/education)
   - GPA calculator
   - Grade calculators
   - Academic planning tools

6. **Percentage** (/calculators/percentage)
   - Discount calculator
   - Tip calculator
   - Percentage change calculator

7. **Crypto** (/calculators/crypto)
   - Cryptocurrency converters
   - Crypto calculators

8. **Business Charts** (/calculators/business-charts)
   - Radar chart generator
   - Chart creation tools

9. **Financial Planning** (/calculators/financial-planning)
   - Debt payoff calculator
   - Savings calculators
   - Retirement planning tools

### Special Pages

- **Featured Calculators**: /featured-calculators
- **Calculator of the Day**: /calculator-of-the-day
- **Trending Calculators**: /trending-calculators
- **Brain Teasers and Puzzles**: /brain-teasers-and-puzzles
- **Math Formulas**: /math-formulas
- **Request a Calculator**: /request-calculator
- **Search**: /search
- **About**: /about
- **Contact**: /contact
- **Privacy Policy**: /privacy
- **Terms of Service**: /terms

## Calculator URL Structure
Individual calculators follow this pattern:
- Format: /calculators/[category]/[calculator-name]
- Example: /calculators/finance/mortgage-calculator
- Example: /calculators/math/basic-calculator

## Key Features

1. **No Signup Required**: All calculators are free and accessible without registration
2. **Calculator of the Day**: Featured calculator highlighted daily
3. **Trending Calculators**: Popular calculators based on usage
4. **Search Functionality**: Search across all calculators
5. **Responsive Design**: Works on desktop, tablet, and mobile devices
6. **Dark Mode Support**: Theme toggle for light/dark mode
7. **Quick Calculator Widget**: Fast access to common calculations
8. **Recently Viewed**: Track recently used calculators
9. **Calculator Recommendations**: Quiz-based calculator recommendations

## API Endpoints

The site includes several API endpoints for dynamic content:

- `/api/calculator-of-the-day` - Get the featured calculator of the day
- `/api/trending` - Get trending calculators
- `/api/ai-search` - AI-powered search functionality
- `/api/calculator-request` - Submit calculator requests
- `/api/stocks` - Stock market data
- `/api/crypto` - Cryptocurrency data
- `/api/youtube` - YouTube content integration
- `/api/celebrities` - Celebrity-related data
- `/api/contact` - Contact form submissions

## Technical Details

- **Framework**: Next.js (React)
- **Styling**: Tailwind CSS
- **UI Components**: shadcn/ui with Radix UI primitives
- **TypeScript**: Full TypeScript implementation
- **SEO**: Server-side rendering with dynamic metadata
- **Analytics**: Vercel Analytics integration

## Content Types

1. **Calculators**: Interactive calculation tools with input forms and result displays
2. **Math Formulas**: Educational content about mathematical formulas
3. **Brain Teasers**: Puzzles and brain teasers
4. **Educational Content**: Guides and explanations related to calculations

## Navigation Structure

- Main navigation includes categories and featured calculators
- Footer contains links to important pages (About, Contact, Privacy, Terms)
- Breadcrumb navigation for calculator pages
- Mobile-responsive menu for smaller screens

## SEO Features

- Dynamic metadata for each calculator
- Structured data (JSON-LD) for search engines
- Canonical URLs
- Open Graph and Twitter Card support
- Sitemap generation
- Robots.txt configuration

## User Experience

- Fast loading times
- Intuitive interface
- Clear calculator descriptions
- Step-by-step guidance where applicable
- Error handling and validation
- Accessible design (WCAG compliant)

## Calculator Features

Each calculator typically includes:
- Input form with validation
- Real-time calculation results
- Clear explanations
- Related calculators suggestions
- Share functionality
- Print-friendly layouts

## Contact Information

- Contact page: /contact
- Calculator requests: /request-calculator

## Last Updated
This file was last updated to reflect the current structure of FreeCalculators.ai as of 2024.