Best Ratio Calculator Total Tool Apps

224+ iOS apps curated and reviewed

4.5 avg rating
16 free apps
Updated May 2026

Finding the right ratio calculator total tool app can be overwhelming with so many options. We've analyzed 224+ apps to bring you the best choices for 2026, from free options to premium solutions with advanced features.

Top Picks for Ratio Calculator Total Tool

Ratio Calculator Total Tool#1

Ratio Calculator Total Tool by SHIGETO TAKAGI

Back Calculation from Total
Editor's Choice
🔧 Utilities
4.9(7 ratings)
FreeAds
Ratio Calculator Total Tool screenshot 1

This application calculates ratios and totals from input values and also performs back calculations. It can be used to solve problems like determining heating time based on microwave oven output wattage.

Ratio Calculator Tool#2

Ratio Calculator Tool by Kubilay Erdogan

Ratio calculating companion
Strong Contender
🔧 Utilities
3.3(12 ratings)
FreeIn-App Purchases
Ratio Calculator Tool screenshot 1
Ratio Calculator Tool screenshot 2

This proportion calculator helps you find the missing value in an equation, determining the relationship between two sets of quantities, whether they increase or decrease proportionally. Simply input your values and get the calculated result to solve problems involving direct and inverse proportions.

Calculator ∞#3

Calculator ∞ by Incpt.Mobis

The Best Scientific Calculator
Worth Considering
📚 Education
4.7(6.2K ratings)
$5.99In-App Purchases
Calculator ∞ screenshot 1
Calculator ∞ screenshot 2
Calculator ∞ screenshot 3
Calculator ∞ screenshot 4
Calculator ∞ screenshot 5
Calculator ∞ screenshot 6

A top-rated scientific calculator app on iOS devices offering advanced math functions with a user-friendly interface for users of all levels. Features include step-by-step solutions, math photo solving, and handwriting recognition. Enhance your calculations with this versatile tool.

More Ratio Calculator Total Tool apps to explore

4
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

Experience the award-winning calculator app for iPad and iPhone, offering a free basic and scientific calculator with an elegant design, simple usability, and beautiful interface. Calculate with ease and precision today!

🔧 Utilities
(9.6K)
5
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Scientific Calculator Plus 991
Designed for math calculator
Free

A versatile scientific calculator app designed for math enthusiasts, offering features like natural display for textbook-like equations, symbolic and numeric modes, complex number calculations, calculus functions, statistical analysis, and unit conversion. With a premium upgrade option for additional advanced features and customization. Access the power of NCalc FX now!

📚 Education
(12K)
6
CNC Machinist Calculator Ultra
CNC Machinist Calculator Ultra
CNC Machinist Calculator Ultra
All-in-One Machining Tool
Free

Enhance your CNC machining operations with an all-in-one tool for machinists and engineers. Access a range of calculations and features to streamline workflow and boost productivity in turning, milling, drilling, and more.

📊 Productivity
(0)
7
Calculator⁼
Calculator⁼
Calculator⁼
Fraction, Scientific Calc +
Free

A handy math assistant for solving basic and scientific calculations intuitively and quickly. Become a math master with this free app!

🔧 Utilities
(357K)
8
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Measuring Math Made Easy
$3.99

A handy measurement tool for quick and accurate calculations, perfect for DIY enthusiasts and professionals alike. Easily perform math on measurements, save time, and avoid costly mistakes on materials. Check out the app now for a simpler and more efficient measuring experience!

🔧 Utilities
(2.1K)
9
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

📊 Productivity
(4.8K)
10
iFraction Calculator
iFraction Calculator
iFraction Calculator
Calculator for fraction number
Free

iFraction is a powerful fraction calculator app that helps with everyday fraction math problems, featuring step-by-step equation explanations, decimal and fraction calculations, large number support, and previous calculation storage. Ideal for students, woodworkers, constructors, and anyone needing fast and accurate fraction calculations on their Apple devices. Turn your iPhone, iPod, or iPad into a versatile calculator with iFraction.

📊 Productivity
(1.6K)
11
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

🔧 Utilities
(38K)
12
PCalc Lite
PCalc Lite
PCalc Lite
The Best Calculator
Free

PCalc Lite is the ideal calculator app for scientists, engineers, students, and programmers offering RPN mode, multi-line display, unit conversions, constants, and more. Try it for free on your iPad and upgrade for additional features or themes. Also available on Apple Watch for on-the-go calculations.

🔧 Utilities
(213)
13
Desmos Scientific Calculator
Desmos Scientific Calculator
Desmos Scientific Calculator
by Desmos, Inc.
Free

Explore a powerful scientific calculator with functions beyond basic arithmetic - trigonometry, statistics, and combinatorics. Create and evaluate custom functions, work offline, view multiple expressions at once, and enjoy a seamless user experience - all for free.

📚 Education
(327)
14
Card Centering Calculator
Card Centering Calculator
Card Centering Calculator
TCG & Sports Card Grading Tool
Free

Calculate the optimal positioning for cards in trading card game decks with this convenient tool. Ensure perfect centering and alignment for professional-looking decks. Try it now for precise card arrangement!

🔧 Utilities
(1K)
15
QuickTip™ Tip Calculator
QuickTip™ Tip Calculator
QuickTip™ Tip Calculator
by Doug Penny
Free

Calculate tips quickly and conveniently with this popular tip calculator app, featuring large text, intuitive controls, real-time updates, and support for international currencies. Easily adjust tip percentages and round totals with just a tap. Download now for a seamless gratuity calculation experience!

💰 Finance
(64)
16
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

Calculate measurements with ease using this construction calculator designed for quick and accurate results. Perfect for all your project needs – download now and simplify your work!

🔧 Utilities
(384)
17
Calculator⁻
Calculator⁻
Calculator⁻
Best hand calculator
Free

Discover the best hand calculator for all your basic math needs - addition, subtraction, multiplication, division, and more, with customizable features like recording and recalling past calculations and touch sound. Perfect for school children and anyone seeking a simple and efficient calculator solution!

🔧 Utilities
(3.4K)
18
Slope Calculation Tool
Slope Calculation Tool
Slope Calculation Tool
Incline, Percentage & Ratio
Free

This tool calculates essential information about a ramp, including slope, length, and height, based on just two inputs, and offers various calculation scenarios. It also features a built-in tool to measure the slope of an existing ramp or surface using your device, providing accurate results with proper use.

🔍 Reference
(75)
19
CNC Machinist Calculator Pro
CNC Machinist Calculator Pro
CNC Machinist Calculator Pro
by Shane Anderson
$14.99

Enhance your machining operations with a specialized calculator built for manufacturing professionals and CNC operators. Optimize efficiency, speed, and accuracy in your processes with this essential tool.

📊 Productivity
(642)
20
PCalc
PCalc
PCalc
The Best Calculator
$9.99

A powerful calculator app for scientists, engineers, students, and programmers with features like RPN mode, multi-line display, unit conversions, constants, paper tape, undo/redo, and support for various calculation formats. Also available on Apple Watch for convenient wrist calculations. Try it now!

🔧 Utilities
(758)