Windows 10 Calculator & so much more

Most of us think we have seen and used the Windows calculator app before. If it was just the basic and scientific calculators you remember from Windows 3.1, 95, 98, NT, ME, XP and Vista then you would be right…but guess what? You haven’t seen anything yet. Windows 10 calculator is so much more than a basic calculator.

Windows 95 Calculator
Windows 95 Standard Calculator

Beginning with Windows 7 and continuing through 8, 8.1 and 10 the Windows calculator has been given a whole host of additional functionality.  Let’s take a look.

5 different Calculators

For starters, the built-in calculator app in Windows 10 comes with 5 calculation modes now instead of just two.

  • Standard
  • Scientific
  • Graphing
  • Programming
  • Date Calculation
Windows 10 Calculator - Standard
Windows 10 Calculator - Scientific
Windows 10 Calculator - Graphing Display
Graphing – Display
Windows 10 Calculator - Graphing Formula
Graphing – Formula
Windows 10 Calculator - Programmer
Windows 10 Calculator - Date Calculation
Date Calculation

To switch to a different mode, click the 3 bars menu, sometimes referred to as a hamburger menu.

Windows 10 Calculator 
Mode selector button
3-bars menu / Hamburger menu

13 modes of conversion

If the calculation modes weren’t enough to impress you how about 13 modes of conversion? No more need to search the Internet every time you need to do a calculation or conversion. You have it all built-in with the Windows 10 calculator. Click the 3 bars menu as shown above and the Converters are listed below the Calculators.

I won’t go into detail about each converter or you would be reading this article for quite a bit longer.  You can see in the table below all the units of measurement you can convert between.


ConverterUnits of measurement that can be converted
Currency134 countries
VolumeMillimeters, Cubic centimeters, Liters, Cubic meters, Teaspoons (US), Tablespoons (US), Fluid ounces (US), Cups (US), Pints (US), Quarts (US), Gallons (US), Cubic inches, Cubic feet, Cubic yards, Teaspoons (UK), Tablespoons (UK), Fluid ounces (UK), Pints (UK), Quarts (UK), Gallons (UK)
LengthNanometers, Microns, Millimeters, Centimeters, Meters, Kilometers, Inches, Fee, Yards, Miles, Nautical Miles
Weight and MassCarats, Milligrams, Centigrams, Decigrams, Grams, Dekagrams, Hectograms, Metric Tonnes, Ounces, Pounds, Stone, Short tons (US), Long tons (UK)
TemperatureCelsius, Fahrenheit, Kelvin
EnergyElectron volts, Joules, Kilojoules, Thermal calories, Food calories, Foot-pounds, British thermal units (BTU)
AreaSquare millimeters, Square centimeters, Square meters, Hectares, Square kilometers, Square inches, Square feet, Square yards, Acres, Square miles
SpeedCentimeters per second, Meters per second, Feet per second, Miles per hour, Knots, Mach
TimeMicroseconds, Milliseconds, Seconds, Minutes, Hours, Days, Weeks, Years
PowerWatts, Kilowatts, Horsepower (US), Foot-pounds/minute, BTUs/minute
DataBits, Bytes, Kilobits, Kibibits, Kilobytes, Kibibytes, Megabits, Mebibits, Megabytes, Mebibytes, Gigabits, Gibibits, Gigabytes, Gibibytes, Terabits, Tebibits, Terabytes, Tebibytes, Petabits, Pebibits, Petabytes, Pebibytes, Exabits, Exbibits, Exabytes, Exbibytes, Zettabits, Zebibits, Zettabytes, Zebibytes, Yottabit, Yobibits, Yottabyte, Yobibytes
PressureAtmospheres, Bars, Kilopascals, Millimeters of mercury, Pascals, Pounds per square inch
AngleDegrees, Radians, Gradians
Units of measurement the converters can calculate

Currency converter

The Currency converter provides real-time updates to exchange rates and even lets you seen when the last time the rate was updated. It should automatically update when you open up the converter but you can also manually trigger an update. You do need to have an Internet connection, however, to get updates.

Windows 10 Calculator
Currency Converter mode
Currency converter in Windows 10 calculator

In the example above, US Dollars is bold. Type in an amount to get an equivalent amount of Euros.  If you wanted to do the reverse conversion, click on the Euro to make it bold and then type a number for the equivalent amount in US dollars.  This is much simpler than having to change the country in each dropdown to get a reverse conversion.

The paper tape roll goes digital

It gets even better with a digital paper tape roll called History. Go back and see what calculations you made to check for any mistakes made entering data.

To see history you can check it one of two ways.  The first way is to hit the clock symbol in the upper right hand corner just below the X.

Windows 10 Calculator 
History display button
Calculation History button

The second way is to drag the right edge of the window to the right making the calculator bigger until you see the History and Memory bars pop up.

Windows 10 Calculator 
History and Memory pane
Calculation History and Memory bar

Calculator keeps your mode

Depending on your point of view this could be a time saver or slightly annoying.  When you close the calculator app it will remember what mode you were using. When you open it again, it will open to that same calculation or conversion mode.

And that’s it! Hopefully this article has shown you the power of the built-in calculator in Windows 10.  Stay tuned for more tips & tricks in future posts.

Other useful tools in Windows 10


Share any comments below. Did you know it could do all this? Do you have a favorite mode or conversion?

Last Updated on October 29, 2021