Best Right Triangle Calculator Apps & Games

209+ iOS apps & games curated and reviewed

4.4 avg rating
19 free apps & games
Updated June 2026

Whether you're new to right triangle calculator or looking for an upgrade, our curated collection of 209+ iOS apps and games has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.

Top Picks for Right Triangle Calculator

Triangle Calculator#1

Triangle Calculator by Kent Johansson

Right angle triangle solver
Editor's Choice
📊 Productivity
5.0(2 ratings)
Free
Triangle Calculator screenshot 1
Triangle Calculator screenshot 2
Triangle Calculator screenshot 3
Triangle Calculator screenshot 4
Triangle Calculator screenshot 5
Triangle Calculator screenshot 6

Calculate side lengths, angles, area, and perimeter of right-angle triangles. Visualizes the triangle with adjustable precision and offers options to rotate, flip, and customize themes. Reuses previous entries for efficiency.

Figure calculator ShapeInfo#2

Figure calculator ShapeInfo by Noriyasu Kutsuzawa

Geometric shape calculator
Strong Contender
📊 Productivity
4.7(134 ratings)
FreeAds
Figure calculator ShapeInfo screenshot 1
Figure calculator ShapeInfo screenshot 2
Figure calculator ShapeInfo screenshot 3
Figure calculator ShapeInfo screenshot 4
Figure calculator ShapeInfo screenshot 5
Figure calculator ShapeInfo screenshot 6

Easily calculate lengths, angles, and areas of various geometric shapes. Input known values and instantly get precise results for a wide range of 2D and 3D figures. Ideal for students and engineers needing quick geometric computations.

Right Angle#3

Right Angle by Jerry Mayers

Triangle and circle calculator
Worth Considering
📊 Productivity
3.9(28 ratings)
FreeIn-App Purchases
Right Angle screenshot 1
Right Angle screenshot 2
Right Angle screenshot 3

This app calculates triangles and segments of circles. It supports various angle input formats and offers solutions for oblique triangles and circle segments with optional add-ons. A right triangle calculator is included for free.

More Right Triangle Calculator apps to explore

4
Trig Solver
Trig Solver
Trig Solver
by Creature Code Mobile, LLC
Free

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

Regular triangle solverRight triangle solverCalculate with 2 sides and an angle
🔧 Utilities
(78)
free
5
Right Triangle - Calculator
Right Triangle - Calculator
Right Triangle - Calculator
Calculates all quantities
Free

Instantly solve geometry homework and prepare for exams with this free calculator. It provides complete step-by-step solutions for all triangle quantities, including legs, hypotenuse, height, angles, perimeter, and area. Access learning videos and manage your solutions.

Step-by-step solutionsCalculates legs, hypotenuse, height, angles, perimeter, areaSupports all length units
📚 Education
(6)
free with in-app purchases
6
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Triangle Calculator Pythagoras
Right Triangle Pythagoras
Free

This geometry tool simplifies right-angled triangle calculations. It instantly solves for missing sides, angles, area, and perimeter using the Pythagorean theorem and trigonometry. It also displays the formulas used for each calculation, aiding understanding.

Pythagorean Theorem SolverTrigonometry FunctionsInstant Area and Perimeter Calculation
📚 Education
(1)
free with in-app purchases
7
Pythagoras Calculator
Pythagoras Calculator
Pythagoras Calculator
With solution steps
Free

Easily calculate any side of a right-angled triangle using the Pythagorean theorem. Input two sides to find the third, with all calculations saved in a history. Supports fractions and offers an ad-free option.

Pythagorean theorem calculationsCalculate any of the three sidesHistory of calculations
📚 Education
(237)
free with in-app purchases
8
Trigonometry Help Lite
Trigonometry Help Lite
Trigonometry Help Lite
Triangle Calculator + Workings
Free

This app quickly calculates unknown angles and sides of right-angled triangles. It offers a workings view for detailed solutions, scale drawings, and a formula reference. Input angles in various formats and customize decimal precision.

Solve right-angled trianglesView detailed math workingsScale drawing of solved triangle
📚 Education
(688)
free with in-app purchases
9
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

This app is a powerful construction calculator designed for professionals working with dimensions. It offers a wide range of solutions for dimensional math, right angle calculations, area and volume, and special functions, helping to improve speed and accuracy in layouts, bids, and estimates.

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions
🔧 Utilities
(39K)
free with in-app purchases
10
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
Triangle Solver Free - Geometry Calculator
by 境 饶
Free

This app calculates missing values for both right and irregular triangles. Simply input two known values for a right triangle or three for an irregular one, and it will compute the remaining sides and angles.

Right triangle solverIrregular triangle solverCalculates missing sides
📊 Productivity
(40)
free
11
Triangle Calculators
Triangle Calculators
Triangle Calculators
by V PUGAZHENTHI
Free

This app simplifies triangle calculations with intuitive inputs and clear diagrams. It covers various triangle types and theorems, offering over 125 calculations and supporting multiple units and languages.

125+ triangle calculationsVisual diagramsBuilt-in formulas
📚 Education
(1)
ad-supported
12
Triangle Solver
Triangle Solver
Triangle Solver
by William Jockusch
Free

Calculate unknown sides and angles of a triangle with ease. Supports various input combinations, including two angles and one side, two sides and one angle, or three sides.

Calculate unknown sidesCalculate unknown anglesTwo angles and one side input
📚 Education
(30)
free
13
Calculator for iPad!
Calculator for iPad!
Calculator for iPad!
Basic & Scientific Calculator
Free

This app offers both basic and scientific calculation modes with over 30 scientific operations. It allows for customization of the app's appearance and includes features for note-taking, drawing, and viewing calculation history. It supports high accuracy calculations and nested parentheses.

Basic and scientific calculator modesOver 30 scientific operationsCustomizable appearance (iPad)
🔧 Utilities
(60K)
free
14
Trigonometry calc
Trigonometry calc
Trigonometry calc
Calculations on right triangle
Free

Calculate side lengths and angles in right-angled triangles using Pythagorean theorem and trigonometry functions. Learn basic trigonometry concepts. An optional premium version removes ads and unlocks a general triangle calculator.

Calculate side lengthsCalculate anglesPythagorean Theorem
📚 Education
(2)
free with in-app purchases
15
Calculator +
Calculator +
Calculator +
Scientific Calc Plus Fraction
Free

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.

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support
🔧 Utilities
(9.6K)
free with in-app purchases
16
Calculator ∞
Calculator ∞
Calculator ∞
The Best Scientific Calculator
$5.99

This advanced calculator app offers a powerful math core and algebra engine for basic to complex calculations. It includes features like step-by-step solutions, handwriting recognition, and 2D graphing, making it suitable for students, engineers, and programmers.

Step-by-step solution hintsMath Photos SolverHandwriting Recognition
📚 Education
(6.2K)
free with in-app purchases
17
Block! Triangle puzzle:Tangram
Block! Triangle puzzle:Tangram
Block! Triangle puzzle:Tangram
Triangle block puzzle games!
Free

Arrange colorful triangle blocks to fill various shapes and designs. With over 2000 levels and no time limits, this game offers endless fun and challenges. Play online or offline with stunning graphics and optimized performance.

Over 2000 unique levelsNo time limitsOffline play supported
🎮 Games
(44K)
free with in-app purchases
18
Quick Graph
Quick Graph
Quick Graph
Scientific Graphing Calculator
Free

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

2D and 3D graphingMultiple coordinate systemsEquation evaluation
📚 Education
(405)
free with in-app purchases
19
Triangle & Angle calculator
Triangle & Angle calculator
Triangle & Angle calculator
Geometry, angle, formulas
Free

Easily solve geometry exercises and verify your calculations with this tool. It simplifies complex problems with a single click, making math more accessible.

Solve geometry exercisesCheck calculationsSimple click interface
📚 Education
(209)
free with in-app purchases
20
Geometry Calculator lite
Geometry Calculator lite
Geometry Calculator lite
Circle,Triangle,Cylinder,cube
Free

Calculate key parameters for 26 geometric shapes, including 2D planes and 3D solids. Offers 783 calculations with interactive 3D views for solids. Supports multiple languages and devices.

Calculates parameters for 26 geometric shapesSupports 783 different calculationsInteractive 3D view for solids
📚 Education
(77)
free with in-app purchases

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