What's New

General improvements.

App Description

A handy app to convert between energy units.

Supported energy units:
• Joule
• Kilojoule
• calorie (small calorie)
• Calorie (Kilocalorie)
• Watt hour
• Kilowatt hour
• Electronvolt
• British thermal unit (BTU)
• Therm (US)
• Foot pound

"Flip" button to easily switch between the "from" and "to" units.

Supports fractions.

Results are shown in the decimal and fractional forms.

App's Settings:

- Rounding to the specified number of decimal places: for decimal numbers, you can select the number of decimal places you want to display. By default, the app displays 2 decimal places.
To round results to the nearest whole number, select 0 decimal places.

- For fractions, you can select rounding to the nearest 1/2, 1/4, 1/8, 1/16, 1/32, 1/64, 1/128, 1/256. By default, the app rounds fractions to the nearest 1/32.
If you do not need to round fractions, just select "-".

Sends results and history via email.

Conversion history.

Supports both portrait and landscape orientation.

iPhone Screenshots

(click to enlarge)

Energy Units Converter screenshot 1 Energy Units Converter screenshot 2 Energy Units Converter screenshot 3 Energy Units Converter screenshot 4 Energy Units Converter screenshot 5

iPad Screenshots

(click to enlarge)

Energy Units Converter screenshot 6 Energy Units Converter screenshot 7 Energy Units Converter screenshot 8 Energy Units Converter screenshot 9 Energy Units Converter screenshot 10

App Changes

  • July 13, 2016 Initial release
  • November 09, 2016 New version 1.0.1
  • June 14, 2019 New version 1.1.2
  • October 23, 2020 Price increase: $0.99 -> $2.99