Best Metric Conversion Tool Apps

Converter (unit conversions)

by Brent Royal-Gordon

Free

Easily convert between 76 measurement units across eight common types, including length, weight, temperature, and volume. Features a built-in calculator and optional currency conversion with daily exchange rate updates.

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.

CONVERT UNITS

Metric, Science & Engineering

Free

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

Unit Converter - Pro Units App

Convert Any Unit

Free

This app offers a powerful and user-friendly unit converter with 16 categories, including currency, length, and temperature. It allows for custom unit lists and provides live exchange rate updates for 148 currencies. Unlock all features with a one-time in-app purchase.

Engineers Toolbox

by Charles Crawford

Free

This utility app offers essential conversion functions for common engineering units like distance, area, volume, pressure, and weight. It allows users to save default units for faster, repeated conversions without re-selecting them each time.

Metric Converter Pro

Quick Unit Converter

$2.99

This tool offers instant unit conversions without clutter or ads. It features a one-screen design for quick input and results, supporting a wide range of smart unit groups and common metric and imperial units. It works offline and is ideal for everyday use, travel, work, and school.

Unit Converter: Mila's Tools

Metric Conversion Calculator +

Free

This app offers a comprehensive unit conversion tool with over 300 units across 27 categories. It supports compound units, date calculations, and conversions between various number systems, including historical units. The interface is designed for ease of use with smart keyboards and customizable display options.

Converter+ (Units, Currencies)

Unit and Currency Converter

Free

This app offers a comprehensive unit and currency converter with a vast array of categories and calculators for everyday needs. It allows users to customize templates, download shared ones, and provides automatic exchange rate updates for 167 world currencies.