The Visual Encyclopedia for Charts & Calculators
Instant calculations, interactive size guides, color swatches, and math reference tables. Customizable, mobile-ready, and 100% free to download as high-res PDF & PNG sheets.
244+
Curated Charts & Tables
15+
Distinct Chart Categories
100%
Free & Open Access
Instant
PDF & Image Exports
15+ Chart Categories, One Unified Library
From school mathematics and international sizing to color engineering and team trees.
Featured & Trending Charts
Explore popular calculation tools and reference tables accessed by users today.
Math & Multiplication
Multiplication tables, addition grids & fraction matrices
Interactive Calculators
BMI, unit converters, calorie & financial estimation tools
Size & Fit Guides
Shoe sizes, clothing, ring diameters & international sizing
Colour Palettes & Codes
RAL color standards, Pantone matching & hex swatch books
Org & Depth Charts
Corporate hierarchies, sports depth charts & team trees
Market & Price Trends
Commodity prices, economic histories & benchmark lines
How Chartspedia Works in 3 Simple Steps
Find the exact data reference you need, interact dynamically, and export in seconds.
1. Search & Discover
Search from thousands of indexed reference charts, size conversion sheets, and visual calculators.
2. Dynamic Interaction
Hover, adjust inputs, change units, and analyze calculated results in real time with responsive graphs.
3. Export & Print
Download crisp, high-resolution vector PDF documents or print directly for classroom and office use.
Why Thousands Choose Chartspedia Over Static Images
Traditional internet charts are blurry JPEG images that can't calculate numbers or adapt to your screen. Chartspedia transforms static data into living, interactive visualization tools.
Configurable Parameters
Toggle units between Metric and Imperial (kg/cm vs lbs/inches) with a single click.
Standardized Data Sources
Built using verified formulas from ISO, NRC, WHO, and ASHRAE technical documentation.
No Privacy Tracking
Calculations run locally in your browser. We never store personal input measurements.
Instant PDF Generator
Download perfectly styled reference sheets for your binders, workshop, or classroom.
Frequently Asked Questions
Everything you need to know about accessing and exporting Chartspedia charts.