CalcResult - Everyone can Calculate
A Calculator for every formula, with built in unit conversion and printable calculation history.
Throw away your 'dumb' calculators!
Calculation is now as easy as 1, 2 Free!
Find the right calculator in the Main Menu Enter your data Get accurate, reliable results, all for Free!
To get started, visit
the Alphabetical Index of Named Scientific Laws ,
the Illustrated Index
or for the full catalog use the Main Menu
More information about CalcResult's calculators can be found on each page, or at the Information Page
Please leave us feedback, whether criticism or requests for new calculators, on the CalcResult Feedback Page
Latest Calculators
How long will it take to get there?
The new Speed Converter
tool makes it easy to convert speeds, such as the MPH of a car speedo,
into the time needed/taken to complete a journey, helping to answer the eternal "Are we there yet?" with something more useful than "No!"
Have you ever wondered "How old am I, measured in days?"
or maybe, "How long (in seconds) until my Birthday?"
or the ever-popular "How many sleeps until Christmas?"
Well, wonder no more, just pick a date with the newly updated
Date Difference Calculator
and find out instantly.
The Reference Section now contains a new, opinionated reference guide to internationally-recognised flags of the countries of the world,
both present versions and in some cases those from the near past - e.g. USSR, Yugoslavia.
Fans of Isaac Newton, and specifically of his Second Law, will be glad to hear that the Force/Mass/Acceleration
has had a bit of an update.
Latest News
The Simple Prime Number Series Generator
has had an update, to allow you to calculate a single, specific Prime Number, whether that is the 9th or the Nine hundred and ninety ninth.
A variety of word games, such as the classic children's game: 'Hangman'; Wordle, or cryptic crosswords,
require the player to identify a word (partly) based on a limited number of letters.
Five-Letter Word-Finder
will narrow down the list five-letter English words, potentially identifying the only possible matching word.
tools to find words of various lengths.
The Flag Reference Guide
has had a couple of updates, mainly to reflect the end of the Assad dictatorship in Syria, and the return of triple-star / red-stripe flag version.
The Resistor Colour-Band Calculator
has had a handful of updates to improve the user experience.
Use it to help with picking out the right descrete resistor from a pile, or with checking the value of a resistor while it is 'in circuit'.
A new Modelling Section has been added to the site, with OpenSCAD models of things like Landrover / Clansman radio kit; Bailey Bridge parts; STL files of these models in various scales, and other relevant files.