General
You will find information such as paper sizes, component colour codes, metric prefixes etc kept here. This category also features a collection of conversion and equivalents tables, including battery sizes and the difference between metric and binary computer prefixes – i.e. the difference between a kilobyte and a kibibyte.
- Batteries – button cell equivalents
- Batteries – dry and alkaline international equivalents
- Batteries – lead acid equivalents
- Battery formulation IEC codes
- Commonly used computing terminology
- Domain name country suffixes
- Electromagnetic Spectrum
- Electronic component colour codes
- Form Factors for Media Storage
- ISO 216 (DIN 476) “A”, “B” & ISO 269 “C” series paper sizes
- International airport names and IATA codes
- International clothing size equivalents
- International METAR stations and ICAO codes
- International Morse Code
- Keyboard shortcuts
- Mathematical and other constants
- Metric conversion factors
- Metric non-SI units
- Metric prefixes
- Metric SI units
- Metric versus binary computing prefixes
- MP3-ID3v1 genre tags
- Original ARPA domain abbreviations
- Periodic Table
- Photography film and sensor speed equivalents
- Photography neutral density filter equivalents
- Roman numerals
- Sound pressure levels
- UK national parks
- UK potted history
- Unicode Codes
- Wind speeds
- Wire gauge equivalents
- World Population
I have tried very hard to ensure the accuracy of these tables. However, they are supplied as-is without any warranty, express or implied!