Best Metric Conversion Calculator Apps

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.

Calculator₊

Basic, Scientific, Plus Calc

Free

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.

Convert Any Unit Lite

Units & Currency Converter

Free

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.

Conversion Calculator Units

Unit Conversion Calculator All

Free

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.

Calculator+ - Unit Conversion

Advanced Calculator Utility

Free

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.

Units - Conversion Calculator

Unit & Currency Converter

Free

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.

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.

Calculator²

by Richard Walters

Free

This app offers a suite of specialized calculators, including scientific, financial, programmer, and basic functions. It also features a currency converter and a comprehensive unit converter for various needs.

Totient: Fraction Calculator

Flooring, tile & deck math

Free

This app performs complex calculations with measurements involving feet, inches, and fractions. It supports addition, subtraction, multiplication, and division, with customizable precision and instant conversions to both imperial and metric units. Save and copy results for easy integration into project plans or notes.

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.