ConvertCalc

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.