Stone to KG Converter — John

Convert stone to kilograms instantly with precision up to one decimal place. This lightweight Firefox extension provides a quick and easy way to convert weights without leaving your browser.

Key Features:

Instant Conversion: Real-time conversion as you type - no need to click any buttons
One Decimal Precision: Results rounded to one decimal place for practical use
Completely Offline: Works without internet connection - all calculations done locally in your browser
Lightweight & Fast: Minimal resource usage with instant results
Clean Interface: Simple, intuitive design that's easy to use for everyone
Accurate Calculation: Uses the precise conversion rate of 1 stone = 6.35029318 kg
Privacy Focused: No data collection, no tracking, no permissions required

How to Use:

Click the Stone to KG Converter icon in your Firefox toolbar
Enter the weight in stone in the input field
See the result in kilograms instantly displayed below

Perfect For:

UK residents converting weights for international use
Fitness enthusiasts tracking weight loss or gain
Healthcare professionals working with different measurement systems
Anyone needing quick stone to kilogram conversions
Students learning about metric and imperial systems

Technical Details:

Works entirely offline - no internet required
No permissions needed - completely safe and secure
No data collection or tracking
Manifest Version 3 compliant
Compatible with all modern Firefox versions