Best Conversion Calculator Free Metric Apps

Conversion Calculator Plus

Unit Metric Currency Converter

Free

This app is a versatile unit and currency converter with a user-friendly interface. It supports a wide range of conversion categories, including real-world and crypto currencies, with automatic exchange rate updates. Customize your experience with design options, dark mode, and adjustable home screen layouts.

Calculator+ - Unit Conversion

Advanced Calculator Utility

Free

This advanced utility app offers a comprehensive suite of calculation and unit conversion tools, replacing your device's default calculator. It features a sleek interface and supports a wide range of everyday and scientific calculations, along with extensive unit conversions for length, area, volume, and more.

SM Calculator

Standard/Metric Calculator

Free

Easily convert between standard and metric units for calculations. Supports decimal and fraction values in inches, and millimeters. Tap values to see equivalents or add them to a pin list for quick access.

Conversion: Unit Converter

Currency, metric & imperial

$0.99

This utility app provides instant conversions between a wide range of units, including metric, imperial, and currency. It features live exchange rates and supports 33 languages, all within a clean, clutter-free interface.

Calculator +

Graphing, Percentage, Triangle

Free

This app offers a free basic and scientific calculator with an elegant interface. Upgrade for advanced features like graphing, equation solving, and unit conversions. Supports fractions, percentages, and multiple themes.

Fraction Calculator

Decimal Plus Units Converter

Free

This tool converts between decimals and fractions, and also handles unit conversions for construction and metric measurements. It offers an intuitive interface for calculations and editing, with advanced features available through upgrades.

Metric To US Converter

by Lucid Atomics Corporation

Free

Easily convert between common metric and US imperial units. This application offers straightforward conversions for distance, temperature, volume, and weight across four dedicated tabs. A comprehensive wheel provides access to a wide range of additional conversions.

Convert Units: Unit Conversion

Metric to US Converter tool

Free

Easily convert between metric and imperial units for everyday needs. Offers a wide range of converters including currency, temperature, and length, with offline access and a favorites list for quick use.

Unit Converter - Convert all

Measurements & Calculations

Free

Easily convert between various units of measurement, including currencies, temperature, length, and weight. This intuitive tool provides real-time currency exchange rates and a comprehensive list of conversions for everyday use.

Calculator: Unit Converter

by Apero Technologies Group

Free

This utility app offers a comprehensive suite of calculation tools for everyday needs. It includes basic and scientific functions, unit and currency conversions, world time, health metrics, and GPA calculation. Customize your calculator experience with practical, easy-to-use features.

Calculator: Basic & Scientific

Currency, Units & History Calc

Free

This app offers a versatile calculator with basic, scientific, currency, and unit conversion functions. It provides a familiar interface for everyday math, advanced calculations, and quick conversions, with a history log for easy reference. Offline functionality and customizable themes enhance the user experience.

Calculator

by Byte Works, Inc.

$1.99

This app offers a comprehensive scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.

Metric Practice Free

by Carolina Biological Supply

Free

Practice converting between metric prefixes and S.I. units. This app allows you to select units, values, or both to find equivalents. The free version includes novice-level practice for each conversion type.

Units - Pro Unit Converter

Convert 800+ units & currency

Free

Easily convert between hundreds of units across 43 categories, including currency with daily updated rates. Customize your workflow by hiding or reordering units and categories.

Calculator XLt

5 in 1 Calculator

Free

This app combines five essential calculation tools into one convenient package. It offers standard, scientific, unit conversion, loan, and tip calculators with a user-friendly interface and large buttons. Available on multiple Apple devices, it streamlines everyday calculations.