Grid9

Uniform Global Precision Coordinate Compression

Revolutionary 9-character coordinate system delivering uniform 3-meter precision worldwide. Eliminates precision variations between cities and rural areas for consistent global accuracy.

View on GitHub Try Demo

Why Grid9?

🎯

Uniform Precision

Consistent 2.4-3.5m accuracy globally - no variation between cities, rural areas, or remote locations.

⚡

High Performance

Over 6 million operations per second with minimal memory allocation. Perfect for real-time systems.

🔧

Production Ready

Comprehensive test suite, detailed documentation, and proven reliability for mission-critical applications.

🚗

Built for Automation

Designed specifically for autonomous vehicles, precision agriculture, and automated systems requiring exact positioning.

👥

Human-Readable

Optional XXX-XXX-XXX formatting makes codes easy to read and communicate for operations teams.

🌍

Global Coverage

Works everywhere on Earth including land, oceans, and polar regions with consistent precision worldwide.

Try Grid9 Live

Latitude

Longitude

Grid9 Code:

Q7KH2BBYF

Human-Readable: Q7K-H2B-BYF

Precision: ~3.0m | Location: New York City

Grid9 vs Alternatives

System	Length	Precision	Example	Uniform?
Grid9	9 characters	2.4-3.5m globally	`Q7KH2BBYF`	Yes ✅
what3words	19+ characters	3m globally	`filled.count.soap`	Yes ✅
Plus Codes	11+ characters	2-14m variable	`87G8Q23F+GF`	No ❌
Geohash	12 characters	1-18m variable	`dr5regw3p`	No ❌

Grid9: 53% shorter than what3words with same precision!

Get Started

Quick Installation

# Install via NuGet
dotnet add package Grid9

# Basic usage
string code = UniformPrecisionCoordinateCompressor.Encode(40.7128, -74.0060);
// Result: "Q7KH2BBYF"

GitHub Repository NuGet Package

Contact & Licensing

Commercial Licensing

For commercial use of Grid9:

grid9@ukdataservices.co.uk

Technical Support

Report issues or get help:

GitHub Issues

Documentation

API reference and guides:

View Docs