Online Calculators and Converters

Basic Calculator

The Internet is brilliant for finding just about everything!

It is especially easy to find plenty of free online apps for calculating and converting. There are free online converters for just about anything you could ever want to do.  

In this lesson we provide links to our favorite free online converters.

Note that to get to each converter, it is necessary to Click the Link that we have supplied. Clicking the screen shot of the Converter, does not take you to the online app.

 

Scientific Calculator

Sci Calc

This calculator works like TI and Casio calculators, and so is very easy to use. It also has a “Full Size” button we can click to make it go full screen.

Click the link below to use this scientific calculator online.

http://www.mathopenref.com/calculator.html

 

Advanced Scientific Calculator

Advanced Scientific Calculator Tab

This online calculator has very useful functions such as x to the power of y function, as well as a +/- change sign button.

It is free can be accessed by clicking the following link:

http://www.calculator-tab.com/

 

Graphing Calculator

Graphing Calc

The above online calculator can draw graphs with up to four different variables input.

As shown above, we enter a Quadratic Parabola in the form: x*x + 2*x + 1

http://www.mathopenref.com/graphfunctions.html

 


Online Basic Calculator

Basic Calculator

This calculator can be used online to do any basic calculation, and is full screen size.

Even without special function buttons, we can still do tasks like converting Fractions to Percentages.

Eg. To convert 1/4 to % we could type in 1 divided by 4 then x100 and then press the equals button to get our required answer of 25%.

http://www.amblesideprimary.com/ambleweb/mentalmaths/BigCalculator.html

 


Online Percentage Calculators

Here are some Online Percentage Calculators that are very useful.

Fraction to Decimal Calculator

Frac Dec Calculator

Simply enter the fraction we want to convert into the bottom right hand corner area and then click the “Calculate” button.

http://www.amblesideprimary.com/ambleweb/mentalmaths/fracto.html

 

Percentages and Amounts Calculator

Per Calc

This calculator is easy to use and gives Percentages and Values as shown above. Pick which calculation you want to do. You do not have to do both calculations like we have done.

http://www.onlineconversion.com/percentcalc.htm

 

3-Way Online Percent Calculator

Sorry Picture Not Found

http://www.math.com/everyone/calculators/calc_source/percent.htm

 

Fractions and Percents Converters

Per Frac Calc

These two calculators can be found at the following links, and work as shown above.

http://www.calculatorsoup.com/calculators/conversions/fractiontopercent.php

and

http://www.calculatorsoup.com/calculators/conversions/percenttofraction.php

 

Fractions Calculators

“Calculator Soup” has a full set of fractions calculators, including Simplifying, Conversions, and Addition, Subtraction, Multiplication, and Division.

To use any of these great free online calculators, simply click the link below:

http://www.calculatorsoup.com/calculators/math/fractionscalculators.php

 

Rounding Off Calculator

Rounding Off

“Calculator Soup” also has a great rounding off Calculator that can do whole numbers as well as decimals rounding.

http://www.calculatorsoup.com/calculators/math/roundingnumbers.php

 

Factors Calculator

Factors Calc

This calculator finds all of the factors of any number.

http://www.classbrain.com/artteach/publish/article_48.shtml

 

Highest Common Factor Calculator

HCF Calc

This calculator will find the Highest Common Factor for a group of number. Remember to separate the numbers with commas when entering them.

http://www.calculatorsoup.com/calculators/math/gcf.php

 

Multiples Calculator

100 Multiples

This online calculator gives the first hundred multiples of any number.

http://www.calculatorsoup.com/calculators/math/multiples.php

 

World Time Converters

Time Zone Time

The “Time and Date” website has everything we need for working our World Time. As shown above, it is very easy to use the world time converter.

http://www.timeanddate.com/worldclock/converter.html

 

World Time Now

World Clock

The “Time and Date” website also has a World clock we can bring up that tells us the current time in all of the world’s major cities.

http://www.timeanddate.com/worldclock/

 

Metric Length Converter

Length Converter

The following web page has an easy to use metric length converter.

http://www.onlineconversion.com/length_metric.htm

 

Calculators to Convert Anything

Conver Anything

The “Online Conversion” website has calculators to convert just about anything: Length, Weight, Volume, Angles, Temperature, Cooking Measures, etc. Go to this page and then navigate down through the calculators to find what you need.

http://www.onlineconversion.com/

 

Currency Conversion

Money Converter

The XE converter has been around for a few years and is very easy to use.

http://www.xe.com/ucc/

Once we have our converted result, we can click on the “Rates” tab to see the current major conversion rates for the two currencies we just converted.

Rates Tab

We get a listing of conversion rates like this.

Money Rates

Note the above listing also has “Inverse” values for going backwards, from say Canadian Dollars to Australian dollars, where 1 Canadian will get 0.96891 Australian.

 

Simple Interest Calculator

Simple Int

This is a great online Interest Calculator, because it gives a fully worked solution on the answer page.

Simple Int Ans

This is a very impressive piece of web page programming.
You can access the calculator at this link:

http://www.webmath.com/simpinterest.html

 

Compound Interest Calculator

Compound Interest

This is a Compound Interest Calculator, which allows for a savings plan, where we can add to our money each month if we want to.

If we did not want to have any extra amount added, we could just set the “Add an extra” to box zero.

This is a very well set up application.

http://jaw.iinet.net.au/stuff/interest.html

 

Discount Calculator

Percent Discount

We can use this calculator to get discounts. But this calculator is extra nice, because we can also enter the “Reduced” discounted price, and will it will calculate the original price.

So the calculator works in both directions.

Note that we always have to enter the Percent Value, but we only have to enter one of the three items on the top input line.

http://discount.miniwebapps.net/

 


There is a Calculator for anything!

Just Google for what you want, (for example, something like “Roman Numerals” which we haven’t included on our post), and click the first item that comes up in Google that is non-sponsored.

Well that’s everything converted !

 

Please note that Passy’s World of Mathematics has no financial interest in any of the websites reviewed in this lesson.

 

Related Items

Free Online Math Tests
Free Online Math Videos
Free Online Math Worksheets
Free Online Graph Makers
GeoGebra Online Interactives and Demonstrations
Mathwarehouse Interactives
Microsoft Mathematics Free App for Windows PC
My Virtual Home

If you enjoyed this post, why not get a free subscription to our website.
You can then receive notifications of new pages directly to your email address.

Go to the subscribe area on the right hand sidebar, fill in your email address and then click the “Subscribe” button.

To find out exactly how free subscription works, click the following link:

How Free Subscription Works

If you would like to submit an idea for an article, or be a guest writer on our blog, then please email us at the hotmail address shown in the right hand side bar of this page.

Enjoy,
Passy

Share
This entry was posted in Online Calculators, Online Math Resources, Online Math Tools and tagged , , , , , , , , . Bookmark the permalink.