Best Conversion Calculator Free Metric Apps

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.

Unit & Currency Converter Calc

Conversion Calculator Plus

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.

Conversion Calculator - Metric

Unit Converter & Measurements

Free

Easily convert between metric and imperial units for weight, length, temperature, area, and time. This app offers precise, fast results with a clean interface, working offline for daily, travel, school, or work needs.

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.

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.

Calculator +

Graphing, Percentage, Triangle

Free

This app offers a free basic and scientific calculator with an intuitive interface. It supports fractions, percentages, and advanced editing. Optional upgrades provide specialized calculators for fractions with units, polynomial and linear equation solving, graphing, and geometric shapes.

Unit Converter

Conversion Calculator

Free

This app offers a wide range of unit conversions for various measurements, from temperature to length. It features a user-friendly interface, customizable themes, and smart features that remember your frequent conversions. It also links to external apps for specialized tasks.

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.

Metrica Calculator

Metric and imperial converter

Free

Instantly convert between common metric and imperial units for temperature, weight, distance, height, and length. Designed for quick checks in daily life, travel, and school, it offers a simple interface with customizable themes.

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 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.

Calculator: Basic & Scientific

Currency, Units & History

Free

This app combines basic, scientific, currency, and unit conversion tools into a single, powerful calculator. It offers features like history records, number speech, and seamless result inheritance across different calculator types for an efficient workflow.

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.

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.

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.

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.