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.