Best Hole Size Calculator Apps

Free basic and scientific calculatorIntuitive interface with equation and result displayFraction and percent support

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.

(10K)

Standard and scientific calculator modesCustomizable look (iPad only)Portrait and landscape orientation

Calculator!

by 7th Gear

$0.99

This app offers a versatile calculator experience with both standard and scientific modes. Customize its appearance, use it in any orientation, and access additional tools like a notes tab and calculation history. It's designed for students and professionals needing accurate calculations.

(4.3K)

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)

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)

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.

(401)

Drill and Tap Tool - Thread Tapping & Through Hole

by Chewy Applications

$1.99

Calculate the correct drill bit size for your tapping operations. Supports various thread types and inch/metric measurements. Provides precise calculations for depth of thread and clearance.

Metric and US Standard tap/drill supportSpinning dial interface for easy selectionCalculates drill size for tapping

This app offers a versatile calculator with three distinct modes: Basic, Scientific, and Programmer. It provides a history view, sharing capabilities, and supports various input and output formats. The app is designed for iPhone, iPad, and iPod Touch.

Multi-mode calculator (Basic, Scientific, Programmer)Calculation historyShare results via email

Calculator with History Tape

(3.6K)

free

No Ads Calculator with Memory

History record functionDisplay input equationAdjustable keyboard size and font

This app provides a straightforward calculator experience with a comprehensive history log of all your computations. Customize the keyboard, display, and history records to suit your needs. Easily add annotations and titles to past calculations for better organization.

📊 Productivity

(3.2K)

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.

📊 Productivity

(5K)

Touch-based graphing and editingNatural textbook notation inputAdvanced math and statistical functions

GraphNCalc83

Graphing calculator

$12.99

This app offers a powerful graphing calculator experience with touch-based input for enhanced interaction. It supports natural textbook notation, advanced math functions, and various plotting capabilities. Users can also utilize its programming features and built-in tools like unit conversion and a periodic table.

A highly customizable calculator app offering a modern interface and powerful features. Personalize themes, button layouts, and visual elements to your preference. Track and save calculations with a detailed history, and access scientific functions when needed.

Customizable themes with gradients, colors, or photosMultiple button shapes and color customizationDual-line display for input and result

(2.1K)

Construction Master Pro Calc

Feet Inch Fraction Calculator

Dimensional math and conversionsRight angle and rafter calculationsArea and volume solutions

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.

(39K)

Calculator

by The App Tower Inc.

Basic calculationsOver 80 themesTheme customization

This utility app offers a straightforward calculation experience with a vast selection of over 80 customizable themes. Personalize your calculator's appearance to suit your style while performing everyday math tasks.

(146K)

HDPE/PP Pressure Calculator

McCalc Fusion Calculator

Select McElroy fusion machinesChoose from nine international standardsEnter pipe size in multiple units

This app calculates the correct fusion pressure for HDPE and Polypropylene pipe jobs. It simplifies the process by selecting your fusion machine and entering pipe details to determine the recommended theoretical gauge pressure.

💼 Business

(18)

free

(Not Boring) Calculator

Basic, Readable & Not Boring

Shows full equation as you typeEditable equation for mistake correction3D interface with game-inspired animations

This app reimagines the everyday calculator with a fun, game-like interface and animations. It displays your full equation as you type, making it easy to spot and correct mistakes. Customizable skins and seasonal updates keep the experience fresh.

(3.8K)

Soil Calculator Plus

by Inch Calculator

Estimate soil volumeSupports rectangular and circular areasMultiple measurement units (inches, feet, yards, cm, meters)

Easily estimate the volume of soil, topsoil, dirt, and landscaping materials needed for any project. Supports various area shapes and multiple measurement units, providing results in multiple volume and weight formats, including the number of bags.

Best One-step Calculator

$0.99

This app offers a user-friendly calculator experience with a focus on ease of use. It features a live voice input, an ergonomic layout with large keys, and a usage history for quick reference. Results can be easily copied or emailed.

Live voice calculatorErgonomic key layoutExtra large '+' key

(1.2K)