Best Calculators Metric Conversions Apps

Real-time currency conversionsExtensive unit categories (weight, temp, length, volume, etc.)Simple and intuitive interface

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.

✈️ Travel

(13K)

Conversion Calculator Plus

Currency, Cooking & Imperial

Unit and currency conversionSupports 160+ currencies (real & crypto)Automatic currency exchange rate updates

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.

(15K)

Metric, Science & Engineering

CONVERT UNITS

Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currencyAutomatic currency updates160 currencies available

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.

Converter-Universal Conversion

(1.4K)

ad-supported

by Trelleborg Sealing Solutions

Currency converter with live exchange ratesOver 300 engineering and scientific unitsSpecialized hardness converter

This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.

CalConvert: Currency Converter

(897)

free

Calculator & Unit Conversion $

Advanced scientific calculatorCurrency exchange ratesUnit conversions (27+ categories)

This app offers advanced scientific calculation and comprehensive currency and unit conversion. It supports a wide range of measurements, global currencies, and includes features like history logs and home screen widgets for quick access.

✈️ Travel

(6.4K)

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)

Unit Converter: Mila's Tools

Conversion Calculator PLUS

27 conversion categories300+ unitsCompound unit support

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.

(1.4K)

Feet and Inches Calculator

Perfect Construction Calc!

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion

A powerful construction calculator designed for tradespeople. It offers a wide range of tools for estimating, layout, framing, and jobsite calculations, helping to save time and improve accuracy. Supports both imperial and metric units.

(409)

CalConvert: Pro Calculator $€

Currency Metric Unit Converter

$24.99

This app offers a powerful scientific calculator, extensive unit conversion capabilities across dozens of categories, and real-time foreign exchange rates for over 150 currencies. It also includes a world clock and convenient home screen widgets for quick access to its functions.

Advanced scientific calculatorExtensive unit conversions (600+ units)Real-time currency exchange rates (150+ currencies)

💰 Finance

(299)

paid

Feet&Inches Calculator

Fraction Calculator

Comprehensive measurement conversionFeet-inches and inches as fractionsFlexible rounding options

This app simplifies complex measurements and fraction calculations. Convert between various units, perform addition and subtraction of measurements, and work with feet-inches and fractional inches. It also includes a full fraction calculator with advanced functions and a history tape.

Decimal Plus Units Converter

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)

Carpentry & Stair Trigonometry

Construction Calculator

Decimal to fraction converterFraction to decimal conversionSimultaneous equation and result display

This app is a powerful calculator designed for construction and woodworking professionals, as well as students. It simplifies calculations involving feet, inches, and fractions, offering conversions between various measurement units and displaying equations and results simultaneously. Advanced features are available through optional in-app purchases.

(625)

Unit Converter Calculator Pro

Simple With Metric & Imperial

Metric to Imperial unit conversionImperial to Metric unit conversionArea, speed, temperature, volume, weight conversions

Easily convert between metric and imperial units for a wide range of measurements including area, speed, temperature, and weight. Supports scientific prefixes and offers a history of your conversions. No internet connection required.

(977)

OneCalc: All-in-one Calculator

Calculates everything. Try it.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)

This app offers a comprehensive suite of over 40 calculators and unit converters for various needs, including finance, health, construction, and everyday math. It features standard, scientific, and specialized calculators for tasks like loan amortization, currency conversion, and material estimation.

(5.1K)

Optional RPN modeMulti-line displayExtensive unit conversions

PCalc

The Best Calculator

$9.99

A powerful calculator designed for professionals and students, offering advanced features like RPN mode, multi-line display, and extensive unit conversions. It supports various number systems and includes an Apple Watch app for on-the-go calculations.

(770)

PCalc Lite

The Best Calculator

Optional RPN modeMultiple undo and redoUnit conversions and constants

This free scientific calculator offers essential features like RPN mode, unit conversions, and multiple undo/redo. It provides a taste of a more powerful version, with optional in-app purchases for expanded functionality.

(214)

The Best Calculator - Calc Pro

10 Powerful Calculators

10 powerful calculators (Standard, Scientific, Graphing, etc.)10 financial worksheets (Mortgage, Loan, Compound Interest, etc.)Unit Converter with 3000+ conversions

This app offers a comprehensive suite of 10 powerful calculators and 10 financial worksheets, designed to handle everything from basic arithmetic to complex scientific and financial calculations. It includes features like unit conversion, currency exchange, graphing, and statistical analysis, making it a versatile tool for students and professionals.

(4.7K)