ConvertCalc
Units, Currency & Themes
Free · In‑App Purchases · Designed for iPad
ConvertCalc – Pro Calculator & Unit Converter
Fast. Private. Ad-free.
Over 200+ units.
The only calculator you’ll ever need.
ConvertCalc combines a powerful everyday calculator with an advanced unit converter in one clean, distraction-free app. Built for students, travelers, freelancers, and professionals who need accurate results instantly — without ads or clutter.
WHY CONVERTCALC?
Unified Workflow
Calculate and convert in one step.
Enter an equation, get the result, and instantly convert it to any unit.
No switching apps. No extra taps.
POWERFUL UNIT CONVERSION
19 categories. Hundreds of units. Real-world use cases:
Essentials
Length, Mass, Volume, Area, Temperature, Time, Speed
Travel & Finance
Live currency conversion (30+ major currencies)
Shoe size conversion (Men, Women, Kids)
Science & Engineering
Force, Energy, Power, Pressure, Torque, Fuel Consumption
Technology
Data storage (Bit to Yottabyte)
Data transfer speeds
Calendar Systems
Convert dates across:
Gregorian, Japanese, Buddhist, Islamic, Hebrew, Chinese Lunar, Indian, Persian, ISO 8601, ROC
Age Finder
Instant age calculator and estimator
GO PRO – TOTAL CONTROL
Unlock the full power of ConvertCalc Pro:
Favorite Pairs
Save common conversions for quick access
(USD to EUR, Meters to Feet, Celsius to Fahrenheit)
One-Handed Layouts
Compact, Right-handed and Left-handed modes
Unlimited Named History
Save, label, and organize your calculations
Saved Shoe Profiles
Store sizes for family and friends
Full Organization
Reorder currencies and units your way
Advanced Rounding
Control decimals and precision
Premium Customization
50+ themes and custom colors
Design your perfect calculator
100% Ad-Free Forever
BUILT FOR DAILY USE
Works offline (except live currency updates)
Smart history tracking
No tracking, no ads
Clean, modern interface
Download ConvertCalc
One app. Endless calculations.
- New keypad button shapes.
- Improved keypad visuals so backgrounds match your selected shape.
- 24 new premium themes.
- Reliability fixes to protect your saved settings and history.
- Minor bug fixes.
The developer, Michael Riehl, 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 Not Linked to You
The following data may be collected but it is not linked to your identity:
- Identifiers
- Usage Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Michael Riehl
- Size
- 28.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
Japanese and 2 more
- Japanese, Simplified Chinese, Spanish
- Age Rating
4+
- 4+
- Contains
Advertising
- In-App Purchases
Yes
- ConvertCalc Pro $8.99
- Copyright
- © 2025 Michael Riehl
