Mila's Energy Converter PRO
Joules, Calories, BTU & kWh
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Part of the award-winning Mila's Tools family. Convert joules, calories, BTU, kWh, and more — type one value and see every energy unit instantly.
13 units. Every energy standard. One effortless converter.
Mila's Energy Converter — part of the award-winning Mila's Tools family of converters — makes it easy to convert between every major energy unit. Whether you're working with food calories, electric bills, physics homework, or engineering specs, type one value and instantly see the result in every format.
13 SUPPORTED UNITS
Metric/SI
• joules (J)
• kilojoules (kJ)
• megajoules (MJ)
• gigajoules (GJ)
Thermal/Heat
• calories (cal)
• British thermal units (BTU)
• kilocalories (kcal)
• therms
Electrical
• watt-hours (Wh)
• kilowatt-hours (kWh)
Mechanical
• foot-pounds (ft·lb)
Scientific
• electronvolts (eV)
• ergs
WHY IT MATTERS
Energy is measured differently across industries: nutritionists use calories, electricians use kilowatt-hours, physicists use joules, and gas companies use therms. Converting between them requires knowing the right factors — this app handles the math so you can focus on the numbers that matter.
FAVORITES
Star the units you use most. Drag and drop to reorder. Your favorites appear right at the top, every time.
BUILT FOR PRECISION
Choose automatic smart formatting or set manual decimal precision from 0 to 10 places. Locale-aware number formatting respects your region's separators and conventions.
DESIGNED FOR YOU
• Dark mode with rich color themes
• Comfortable or compact view styles
• Show or hide any unit you don't need
• Quick-copy any value with a swipe
• Custom numeric keyboard (iOS)
• Available on iPhone, iPad, and Mac
Whether you're a student, engineer, nutritionist, or just trying to understand your energy bill — this is the energy converter for you.
- - - - -
If you have any questions, please don't hesitate to reach out at scott@scottdesapio.com.
- - - - -
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
New features & improvements:
- UI enhancements and improvements
Thank you for using Mila's Tools! If you have any feedback, suggestions, or questions, please don't hesitate to reach out at scott@scottdesapio.com.
The developer, Scott DeSapio, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Used to Track You
The following data may be used to track you across apps and websites owned by other companies:
- Location
- Identifiers
Data Linked to You
The following data may be collected and linked to your identity:
- Location
- Identifiers
- Usage Data
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Diagnostics
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Scott DeSapio
- Size
- 6.3 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 3 more
- English, French, Hindi, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- Mila's Energy Converter PRO Monthly $0.99
- Energy Converter PRO Lifetime $4.99
- Mila's Energy Converter PRO Yearly $2.99
- Copyright
- © 2026 Scott DeSapio