Best Rebar Grid Calculator Apps

216+ iOS apps curated and reviewed

4.6 avg rating
16 free apps
Updated May 2026

If you already know Rebar Calc, this is the deeper bench. 216+ rebar grid calculator apps for iPhone, all reviewed and ranked by user rating, recency, and download trend as of May 2026.

Compare top Rebar Grid Calculator Apps (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Rebar CalcRebar CalcFree4.9★ (579)YesNoJul 2026
2Rebar Grid CalculatorRebar Grid Calculator$1.994.7★ (13)NoNoJun 2026
3Concrete Calc Pro CalculatorConcrete Calc Pro CalculatorFree was $39.994.9★ (526)NoYesJul 2026
4Concrete Calculator PlusConcrete Calculator PlusFree4.8★ (21K)YesNoJul 2026
5Rebar Grid Calculator ProRebar Grid Calculator Pro$4.99NoNoMay 2026
6Calculator‰Calculator‰Free4.9★ (404K)YesNoJul 2026
7Calculator for iPad!Calculator for iPad!Free4.7★ (60K)NoNoJul 2026
8Feet and Inches CalculatorFeet and Inches CalculatorFree4.6★ (384)YesYesJul 2026

Top Picks for Rebar Grid Calculator

Rebar Calc#1

Rebar Calc by Appco LLC (USA)

concrete calcs made easy
Editor's Choice
🔧 Utilities
4.9(579 ratings)
FreeAds
Rebar Calc screenshot 1
Rebar Calc screenshot 2
Rebar Calc screenshot 3
Rebar Calc screenshot 4
Rebar Calc screenshot 5
Rebar Calc screenshot 6

This app simplifies concrete and rebar calculations for construction projects. It helps estimate rebar tonnage, mesh quantities, and concrete volume, and can even provide quotes for materials.

Rebar Grid Calculator#2

Rebar Grid Calculator by H3 Apps, LLC

Number and Spacing of Rebar
Strong Contender
💼 Business
4.7(13 ratings)
$1.99
#99in Business
Rebar Grid Calculator screenshot 1
Rebar Grid Calculator screenshot 2
Rebar Grid Calculator screenshot 3
Rebar Grid Calculator screenshot 4
Rebar Grid Calculator screenshot 5

Quickly calculate the number of rebars needed for concrete slab reinforcement. Input slab dimensions and rebar spacing for accurate grid layout. Supports both imperial and metric units, with results easily shareable via text or email.

Concrete Calc Pro Calculator#3

Concrete Calc Pro Calculator by Calculated Industries

Calculate Concrete & Rebar
Worth Considering
🔧 Utilities
4.9(526 ratings)
FreeIn-App Purchases
Concrete Calc Pro Calculator screenshot 1
Concrete Calc Pro Calculator screenshot 2
Concrete Calc Pro Calculator screenshot 3
Concrete Calc Pro Calculator screenshot 4
Concrete Calc Pro Calculator screenshot 5
Concrete Calc Pro Calculator screenshot 6

Instantly calculate concrete volumes for various construction elements like slabs, footings, and walls. This app also estimates rebar, formwork, and batch requirements, supporting multiple measurement units and conversions for efficient project planning.

More Rebar Grid Calculator apps to explore

4
Concrete Calculator Plus
Concrete Calculator Plus
Concrete Calculator Plus
by Inch Calculator
Free

This app provides 15 calculators for estimating concrete, blocks, mortar, rebar, and gravel. It supports various shapes and units, offering material cost estimations for construction projects.

15 concrete estimation calculatorsEstimates cubic yards or bagsCalculates material costs
🔧 Utilities
(21K)
ad-supported
5
Rebar Grid Calculator Pro
Rebar Grid Calculator Pro
Rebar Grid Calculator Pro
Reinforcement & Spacing Calc
$4.99
🔧 Utilities
(0)
6
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

This utility app offers a clean and intuitive interface for performing calculations. It prioritizes a user-friendly design with large buttons and a clear display for quick and efficient use.

Large buttonsClear displayFast calculations
🔧 Utilities
(404K)
ad-supported
7
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
8
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
9
Concrete and Agg Calculator
Concrete and Agg Calculator
Concrete and Agg Calculator
by Chaney Enterprises
Free

Calculate precise amounts of concrete, aggregate, and masonry materials needed for various construction projects. Accounts for potential waste and overages to ensure you order the right quantity.

Concrete slab calculationConcrete footing calculationConcrete wall calculation
💼 Business
(37)
ad-supported
10
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

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.

Over 40 calculators and unit convertersStandard and scientific calculator functionsFinancial calculators (interest, loan, currency)
📊 Productivity
(4.8K)
free with in-app purchases
11
Ozinga Concrete Calculator
Ozinga Concrete Calculator
Ozinga Concrete Calculator
by Ozinga Ready Mix Concrete, Inc.
Free

Easily calculate concrete quantities for various projects like flatwork, footings, and walls. If within the service area, connect live with customer service for quotes and orders.

Calculate concrete for flatwork, footings, walls, columns, and caissonsAccurate project estimationsShare calculations with suppliers
🔧 Utilities
(18)
free
12
Rebar Calculator Pro
Rebar Calculator Pro
Rebar Calculator Pro
Calculate in meter, cm, in, ft
Free
🔧 Utilities
(0)
13
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
14
Block Calculator Plus
Block Calculator Plus
Block Calculator Plus
by Inch Calculator
Free

This app provides nine specialized calculators to accurately estimate masonry materials for various construction projects. It helps calculate blocks, bricks, mortar, concrete, and gravel needed for walls and other structures, supporting multiple units of measurement.

9 concrete block estimation calculatorsEstimate blocks, bricks, mortar, and fillSupports US customary and metric units
🔧 Utilities
(845)
ad-supported
15
Construction Calculator .
Construction Calculator .
Construction Calculator .
Feet Inch Calculator
Free

This app provides essential tools for contractors, builders, and DIYers to perform fast, accurate construction calculations on the job site. It streamlines planning, estimating, and material measurement for various building tasks, reducing errors and saving costs.

Specialized calculators for concrete, lumber, drywall, and roofingAdvanced stair and framing calculatorsInstant unit conversions
🔧 Utilities
(62)
freemium
16
Calculator for iPad₊
Calculator for iPad₊
Calculator for iPad₊
Basic, Scientific, Plus Calc
Free

This app offers both basic and advanced scientific calculations with an intuitive interface designed for tablets and phones. It includes features like currency conversion, calculation history, and the ability to share results. An optional premium membership removes ads and provides enhanced support.

Basic & Scientific CalculatorAdvanced Scientific FunctionsLive Currency Converter
🔧 Utilities
(126K)
free with in-app purchases
17
Quilt Geek Quilting Calculator
Quilt Geek Quilting Calculator
Quilt Geek Quilting Calculator
Quilt Design Made Easy
Free

Design and calculate fabric needs for your quilts with precision. This tool helps plan patterns, block layouts, borders, and sashing, ensuring accurate measurements for backing and binding. Save time and money on your quilting projects.

Quilt pattern creatorFabric yardage calculationBorder and sashing calculator
🔧 Utilities
(91)
freemium
18
RPN Calculator 48
RPN Calculator 48
RPN Calculator 48
RPN Scientific Calculator
$3.99

This app offers a scientific calculator with Reverse Polish Notation (RPN) functionality, providing an alternative to the default calculator. It features a large, easy-to-read display, a 100-entry stack, and extensive undo/redo capabilities. Its design is inspired by classic HP calculators.

Reverse Polish Notation (RPN)Scientific calculator functionsSwipe gestures for undo/redo
🔧 Utilities
(216)
paid
19
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
20
PCalc
PCalc
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.

Optional RPN modeMulti-line displayExtensive unit conversions
🔧 Utilities
(758)
free with in-app purchases

FAQ about Rebar Grid Calculator

What are the best rebar grid calculator apps for iPhone?
Rebar Calc tops our rebar grid calculator apps ranking as of May 2026, with a 4.9-star average from 579 App Store ratings, and it's free to download.
Yes — 16 of the top rebar grid calculator apps we rank are free to download, including Rebar Calc and Concrete Calc Pro Calculator.
Rebar Calc shows ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 216+ rebar grid calculator apps on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Rebar Calc is a tool designed to simplify calculations for concrete and rebar projects. It helps users determine the required amounts of rebar, sheet mesh, and roll mesh, as well as estimate concrete volume in cubic yards. The app can also assist in getting quotes for concrete supplies.
Key features include calculating rebar tonnage and linear feet, estimating sheets of sheet mesh and rolls of roll mesh, and a concrete volume estimator for slabs and cores. Users can also configure lap amounts and select rebar/mesh sizes, and request material quotes.

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