Best Conversion Calculator Free Metric Apps

20 conversion categoriesLive currency updates155 world currencies

Easily convert between a wide range of units across 20 categories, including length, weight, temperature, and more. Features live currency updates for 155 world currencies, refreshed daily. Designed for simplicity and visual appeal.

✈️ Travel

(193K)

Conversion Calculator Units

Unit Conversion Calculator All

Converts over 140 unitsSupports 12 conversion categoriesCustomizable themes

This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.

(4.8K)

Units - Conversion Calculator

Unit & Currency Converter

57 conversion categoriesBuilt-in calculators (currency, finance, health)Size lookup tables

Instantly convert any unit with this comprehensive tool. It offers 57 categories, built-in calculators for finance and health, and size lookup tables for clothing and hardware. Enjoy offline functionality and a clean, ad-free experience.

Unit Converter, 50+ Calculator

(6)

free

All in one Unit Calculator

All-in-one unit conversion45+ free convertersCurrency converter (150+ currencies)

This app offers a comprehensive solution for converting various units, including currencies, measurements, and more. With over 45 converters in a single, user-friendly interface, it simplifies calculations and saves device storage. It works offline and supports over 150 international currencies.

(53)

Units & Currency Converter

Convert Any Unit Lite

Intelligent unit search with autocompleteAutomatic category selectionIntegrated calculator

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

✈️ Travel

(48K)

ad-supported

Calculator+ - Unit Conversion

Advanced Calculator Utility

General and scientific calculationsExtensive unit conversions (length, area, volume, etc.)BMI, investment, EMI, and tax calculators

This advanced utility app offers a comprehensive suite of calculation and conversion tools, serving as a powerful alternative to standard device calculators. It features a sleek interface and supports a wide range of everyday and scientific computations, including unit conversions for length, area, volume, and more.

Standard/Metric Calculator

Cross-unit calculationsDecimal and fraction supportMetric unit conversion

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.

Graphing, Percentage, Triangle

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support

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.

(10K)

Plus Calc for iPad & iPhone

Calculator: Pro

Basic and scientific calculatorCurrency converterUnit converter

This app offers a versatile calculator with both basic and scientific functions. It includes advanced features like currency and unit conversions, customizable themes, and history tracking. Optimized for both portrait and landscape modes, it's designed for users needing precise calculations and conversions.

(579)

Calculator

by Apple

Basic and scientific calculatorsType or write math expressionsInline equation solving

This app offers both basic and scientific calculators for quick solutions to mathematical expressions. It also features a "Math Notes" function that allows users to type or write out equations and see them solved inline, with support for variables and graphing.

Basic, Scientific, Plus Calc

Basic and scientific calculationsUnit and currency converterAI-powered math solver with photo recognition

This app offers a comprehensive suite of calculation tools, including basic, scientific, and unit conversion functions. It features an AI-powered math solver that can solve problems from photos and a dedicated math notes section for jotting down equations and diagrams. Accessibility options like dynamic text size and VoiceOver support are also included.

(1.7M)

Algebraic entryScientific calculationsUnit conversions (length, area, volume, etc.)

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.

Convert Units: Unit Conversion

(1)

paid

Metric to US Converter tool

Metric to imperial conversionsOffline accessFavorites list

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.

Smart Calculator & Converter

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.

Standard CalculatorScientific CalculatorUnit Converter

(577)

by Carolina Biological Supply

Metric Practice Free

Metric prefix conversion practiceS.I. unit conversionsSelectable units and values

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.

📚 Education

(3)

Decimal Plus Units Converter

Fraction Calculator

Decimal to fraction conversionFraction to decimal conversionUnit conversion (feet, inches, metric)

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.

(157)