- Electric Bill & Energy Usage Calculator - Use this electrical appliance worksheet to calculate and chart your energy consumption and cost.
- Mortgage/Amortization Calculator - Use this to calculate monthly payments to your home mortgage loan, learn the lifetime interest paid, and more.
- Calculate Distance Between Two Latitude/Longitude Points - Calculates the straight line distance between two decimal degree points.
- Convert a Latitude/Longitude Position from DMS Format to Decimal Degrees - Convert your lat/long in degrees/minutes/seconds (DMS) format to decimal degrees.
- Text to Morse Code Converter - Convert your text to dits/dashes and downloadable audio Morse code.
- Calculate How Much Time To Transfer Files (Internet Download/Upload) - Easy-to-use calculator to estimate the amount of time to download or upload a large file.
Number Generators, Converters, and Calculators
- 1D Barcode Generator - Generate EAN, Code 39, UPC and other one-dimensional barcodes.
- 2D Barcode Generator - Generate QR Code or Data Matrix two-dimensional barcodes.
- Age, Life Expectancy, & Death Date - Determine your life expectancy and other details on your age
- ASCII Art Generator - Create ASCII Art from you uploaded image.
- Random Integer & Real Number Generator - Generate many randomized whole or real numbers.
- Convert a Number to a Roman Numeral - Converts a number to roman numeral.
- Text Formatter - Convert string to uppercase, lowercase, reverse order or find character/word count.
- Base/Number System Conversion Calculator - Convert a number to many different base number system.
- HTML Color to RGB Value Converter
- chmod (Change Mode) Permission Calculator - Easily determine your Unix/Linux chmod permission value based on your the level of access you specify.
- Bulk Unique Customizable Random Code Generator - Generate 1000s of customizable random codes for raffle tickets, confirmation numbers, validation codes and similar applications.
- Bulk Unique Customizable Consecutive Number Generator - Generate 1000s of customizable consecutive numbers for raffle tickets, confirmation numbers, validation codes and similar applications.