# OmniConverter Web Suite

> OmniConverter is a free, fast, private, zero-dependency, client-side web utility for converting unit measurements (Temperature, Weight & Mass, Volume & Capacity, Time & Duration, Area, Speed) and client-side file media formats (Image, Document, Data).

## Key Features & Capabilities
- **Instant Browser Calculations**: All mathematical unit conversions execute in $O(1)$ time in the user's web browser without server requests.
- **Client-Side Media Conversion**: Convert image formats (PNG, JPEG, WebP, BMP) using HTML5 Canvas & Blob API with 100% data privacy.
- **Document Format Transformation**: Parsing between JSON, CSV, and HTML text formats.
- **Accessibility & SEO**: Semantic HTML5 markup, WCAG AAA contrast ratios, keyboard navigation, and JSON-LD structured data.

## Documentation & Primary Routes
- [/index.html](https://omniconverter.co.uk/index.html): Interactive unit converter calculator suite for Temperature, Weight, Volume, Time, Area, and Speed.
- [/blog.html](https://omniconverter.co.uk/blog.html): Official blog hub and technical articles.
- [/blog/1-3-cup-to-grams](https://omniconverter.co.uk/blog/1-3-cup-to-grams): Culinary guide for 1/3 cup to grams baking conversions.
- [/blog/1-4-cup-is-ml](https://omniconverter.co.uk/blog/1-4-cup-is-ml): Culinary guide for 1 4 cup is mL liquid and dry measurement conversions.
- [/llms-full.txt](https://omniconverter.co.uk/llms-full.txt): Complete, exhaustive technical reference of mathematical pivot formulas and unit definitions.

## Core Conversion Formulas Summary

### Temperature
- **Celsius to Fahrenheit**: °F = (°C × 9/5) + 32
- **Fahrenheit to Celsius**: °C = (°F − 32) × 5/9

### Area (Pivot: Square Meters m²)
- **1 Square Kilometer (km²)** = 1,000,000 Square Meters (m²)
- **1 Hectare (ha)** = 10,000 Square Meters (m²)
- **1 Acre (ac)** = 43,560 Square Feet (ft²)

### Speed (Pivot: Meters per Second m/s)
- **1 Kilometer per Hour (km/h)** = 0.277778 m/s
- **1 Mile per Hour (mph)** = 0.44704 m/s
- **1 Mach (sea level)** = 343 m/s
- [1 Bar to PSI Conversion Guide & Formula](https://omniconverter.co.uk/blog/1-bar-to-psi-conversion)
- [1 Cup Milk in Milliliters: Exact Fluid Volume Guide](https://omniconverter.co.uk/blog/1-cup-milk-in-milliliters)
- [100 USD to AUD Exchange Rate & Currency Guide](https://omniconverter.co.uk/blog/100-usd-to-aud)
- [100 Fahrenheit to Celsius Conversion & Temperature Guide](https://omniconverter.co.uk/blog/100-fahrenheit-to-celsius)