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Number Tools

Tools for working with numbers – generate number sequences, convert numbers to words and words to numbers, sort, round, factor numbers, and much more.


  • Sum — Calculate sum of numbers
  • Generate — Generate random numbers in specified ranges
  • Arithmetic Sequence — Generate arithmetic sequences
  • Random Port Generator — Generate random network ports
  • Random Number Generator — Generate random numbers in custom ranges
  • Radix Converter — Convert between binary, octal, decimal, and hex
  • Byte Converter — Quickly convert values between byte units
  • Ohm's Law — Calculate voltage, current, or resistance in electrical circuits using Ohm's Law
  • Round trip voltage drop in cable — Calculate voltage drop and power loss in electrical cables based on length, material, and current
  • Area of a Sphere — Calculate the surface area of a sphere based on its radius
  • Volume of a Sphere — Calculate the volume of a sphere using radius or diameter
  • Slackline Tension — Calculate the approximate tension of a slackline or clothesline. Do not rely on this for safety.

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