Best Slope Calc Apps

201+ iOS apps curated and reviewed

4.1 avg rating
17 free apps
Updated June 2026

From beginner-friendly picks to power-user tools, our slope calc list covers 201+ iPhone apps updated through June 2026. Compare ratings, prices, and screenshots in one place.

Top Picks for Slope Calc

Underground Safety#1

Underground Safety by DevDigital LLC

Slope Calculator
Editor's Choice
📊 Productivity
4.1(35 ratings)
Free
Underground Safety screenshot 1
Underground Safety screenshot 2
Underground Safety screenshot 3
Underground Safety screenshot 4
Underground Safety screenshot 5

This tool helps construction professionals compare excavation methods. Input soil type and excavation dimensions to get calculated results and a visual guide. Save and share findings as PDFs.

Slope Calculator - Calc#2

Slope Calculator - Calc by Phan Nhat Đang

Ratio, Angle, Length, Percent
Strong Contender
🔧 Utilities
4.4(102 ratings)
FreeAdsIn-App Purchases
Slope Calculator - Calc screenshot 1
Slope Calculator - Calc screenshot 2
Slope Calculator - Calc screenshot 3

Calculate slope in angle, percentage, or ratio by inputting two sides of a right triangle. This intuitive and easy-to-use application provides the remaining necessary values.

More Slope Calc apps to explore

4
勾配電卓-%と1/xで勾配計算
勾配電卓-%と1/xで勾配計算
勾配電卓-%と1/xで勾配計算
Slope Calculation by % or 1/x
Free
📊 Productivity
(0)
5
Slope Calculation Tool
Slope Calculation Tool
Slope Calculation Tool
Incline, Percentage & Ratio
Free

Calculate all aspects of a ramp's dimensions, including slope, run, length, and rise. It can also measure the slope of existing surfaces using your device's sensors. Supports various input combinations for flexible calculations.

Calculate slope, run, length, and riseSupports multiple input combinationsMeasure existing surface slopes
🔍 Reference
(75)
free
6
Slope Calculator & Arc Finder
Slope Calculator & Arc Finder
Slope Calculator & Arc Finder
Calculate Angle & Distance
$3.99

Instantly calculate slopes, arcs, and curves with precision. This app simplifies complex geometry for students, engineers, architects, and fabricators, providing quick and accurate results for various design and construction needs.

Slope calculation using two pointsArc length, radius, and angle calculationChord length and sagitta determination
🔧 Utilities
(3)
paid
7
Feet and Inches Calculator
Feet and Inches Calculator
Feet and Inches Calculator
Perfect Construction Calc!
Free

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.

Construction math and estimatingLayout, framing, and jobsite calculationsImperial and metric unit conversion
🔧 Utilities
(384)
free with in-app purchases
8
Desmos Graphing Calculator
Desmos Graphing Calculator
Desmos Graphing Calculator
by Desmos, Inc.
Free

Explore mathematical concepts by graphing any equation, from simple lines to complex series. This powerful tool allows for interactive exploration with sliders, data tables, and animations. It also includes a scientific calculator and supports inequalities and accessibility features.

Graph any equation (polar, cartesian, parametric)Interactive sliders for function transformationsInput and plot data with tables
📚 Education
(1.3K)
free
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
Bubble Level: AR, Angle Finder
Bubble Level: AR, Angle Finder
Bubble Level: AR, Angle Finder
Inclinometer & Ruler Measure
Free

This app transforms your phone into a precise leveling tool. It offers accurate angle measurement, inclination detection, and augmented reality features for DIY and professional use. Calibration is simple and quick.

Ultra-precise angle measurementInclination and slope meterAugmented reality ruler and protractor
🔧 Utilities
(670)
free with in-app purchases
11
Calculator #
Calculator #
Calculator #
Scientific Calculator
Free

This multi-function calculator offers basic to advanced scientific and algebraic computations. It includes features like handwriting recognition, equation solvers, and 2D graphing, making it suitable for students and professionals. In-app purchases unlock advanced capabilities.

Math Photos SolverHandwriting RecognitionAI Math Problem Solver
🔧 Utilities
(36K)
free with in-app purchases
12
Calculus doodlus
Calculus doodlus
Calculus doodlus
Friendly everyday calculator
Free

This app offers a multi-page calculator with automatic saving and advanced functions like percentage and VAT calculation. It uniquely presents calculations in an interactive, handwritten style that can be customized with your own script.

Multi-page interfaceAutomatic work savingPercentage calculation
🔧 Utilities
(540)
free with in-app purchases
13
Construction Calculator Pro #1
Construction Calculator Pro #1
Construction Calculator Pro #1
Feet to inch conversion & more
Free

This app provides advanced construction math tools for builders and contractors. It offers precise calculations for framing, material estimation, and complex angles, helping to reduce errors and save time on the job.

Dimensional conversions (feet-inch, decimal, metric)Rafter, stair, and angle calculationsArea, volume, and material estimations
🔧 Utilities
(0)
free
14
Rapid & Quick Calculator
Rapid & Quick Calculator
Rapid & Quick Calculator
History Tape, Tax and Discount
Free

A user-friendly calculator with essential functions and advanced features like tax and discount calculations. Easily reuse past calculations or edit expressions with intuitive controls. Offers customization options for themes and fonts.

History Tape for reusing answersSales tax calculationsDiscount calculations
💰 Finance
(1.5K)
ad-supported
15
Pipe Slope Calculator
Pipe Slope Calculator
Pipe Slope Calculator
Pipe Fall & Drainage Slope
$2.99
🔧 Utilities
(0)
16
Slope intercept form Cal
Slope intercept form Cal
Slope intercept form Cal
slope intercept Calculator
Free

This application helps users calculate linear equations in slope-intercept form. It provides detailed step-by-step explanations and visual graphs for better understanding. Supports multiple input methods for flexibility.

Slope-intercept form calculationDetailed step-by-step resultsVisual graph of linear equations
📊 Productivity
(4)
free
17
Protractor for Angle Measuring
Protractor for Angle Measuring
Protractor for Angle Measuring
Measure Angles in Few Taps
Free

Transform your iPhone into a precision angle measuring tool. Easily measure angles in real-time using touch or camera modes, and even analyze angles in existing photos. Customize your tools for a seamless experience.

Real-time angle measurementTouch and camera modesMeasure angles in photos
🔧 Utilities
(976)
free with in-app purchases
18
Slope Calculator
Slope Calculator
Slope Calculator
Construction & Survey
$9.99
$13.99 | 29% OFF

This app provides professional-grade calculations for slope, elevation, and distance, essential for surveyors, engineers, and contractors. It features real-time updates, visual diagrams, and project organization with iCloud sync.

Slope, elevation, and distance calculationsiCloud sync across devicesOrganize by project
📊 Productivity
(3)
paid
19
Construction Calculator SS
Construction Calculator SS
Construction Calculator SS
Design & Building Math Calc
Free

This app provides construction professionals and DIYers with precise calculations for area, volume, and measurements. It includes material estimation for concrete, tiles, and paint, along with multi-language support and an intuitive interface.

Area and volume calculationsFeet-inch calculationsUnit conversions
🔧 Utilities
(8)
ad-supported
20
Construction Calculator
Construction Calculator
Construction Calculator
Feet Inch Calculator
Free

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.

Decimal to fraction converterFraction to decimal conversionSimultaneous equation and result display
🔧 Utilities
(554)
free with in-app purchases

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