Best Rebar Calc Apps

203+ iOS apps curated and reviewed

4.6 avg rating
15 free apps
Updated May 2026

With an average user rating of 4.6โ˜…, the rebar calc category is one of the App Store's strongest. Browse all 203+ apps we track, sorted so the most loved ones surface first.

Top Picks for Rebar Calc

Rebar Calc#1

Rebar Calc by Appco LLC (USA)

concrete calcs made easy
Editor's Choice
๐Ÿ”ง 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.

Concrete Calculator Plus#2

Concrete Calculator Plus by Calc Hub, LLC

by Inch Calculator
Strong Contender
๐Ÿ”ง Utilities
4.8๐Ÿ˜Š(21K ratings)
FreeAds
Concrete Calculator Plus screenshot 1
Concrete Calculator Plus screenshot 2
Concrete Calculator Plus screenshot 3
Concrete Calculator Plus screenshot 4
Concrete Calculator Plus screenshot 5
Concrete Calculator Plus screenshot 6

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.

What We Love

  • ๐Ÿš€ Easy to use
  • ๐Ÿš€ Accurate calculations
  • ๐Ÿš€ Convenient for on-the-go use
  • ๐Ÿš€ Helpful for various projects

Room to Improve

  • ๐Ÿ” Limited features (no cost calculation, no 50 lb bag option)
  • ๐Ÿ“ฑ Issues with display on some devices

More Rebar Calc apps to explore

4
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Calculate Concrete & Rebar
Free
$39.99 | 100% OFF

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.

Concrete volume calculation (yards, feet, meters)Rebar spacing, sizing, and quantity estimationStair and foundation design tools
๐Ÿ”ง Utilities
(526)
free with in-app purchases
5
CSiRebar
CSiRebar
CSiRebar
by Computers and Structures, Inc.
Free

This app helps structural and civil engineers quickly convert between bar sizes, steel area, and spacing requirements. It supports ASTM, Metric, and Imperial standards, offering various reinforcement layout options for design and analysis.

Converts bar sizes, steel area, and spacingSupports ASTM, Metric, and Imperial standardsGenerates multiple reinforcement layouts
๐Ÿ”ง Utilities
(1)
free
6
Constropedia Steel BBS Calc
Constropedia Steel BBS Calc
Constropedia Steel BBS Calc
Steel bar, beam, column & slab
Free

This app provides fast and accurate steel reinforcement calculations for construction professionals. It simplifies planning and execution by generating detailed bar bending schedules, estimating steel weights, and performing comprehensive quantity calculations for various structural elements. The user-friendly interface ensures accessibility for all users.

Bar bending schedules for slabs, columns, footings, beamsSteel weight estimationQuantity calculations for structural elements
๐Ÿ“Š Productivity
(4)
free
7
CRSI Rebar Reference
CRSI Rebar Reference
CRSI Rebar Reference
Ready reference data for rebar
Free

Access essential data for reinforcing bars (rebar) including specifications, hook details, and marking requirements. This app serves as a quick reference for industry standards and links to online resources.

ASTM standard reinforcing bar specificationsStandard hook details (90, 135, 180 degrees)Stirrup/tie hook details
๐Ÿ“Š Productivity
(16)
free
8
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
๐Ÿ”ง Utilities
(39K)
free with in-app purchases
9
Rebar Grid Calculator
Rebar Grid Calculator
Rebar Grid Calculator
Number and Spacing of Rebar
$1.99

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.

Calculate rebar quantityDetermine rebar spacingImperial and metric support
๐Ÿ’ผ Business
(13)
paid
10
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
๐Ÿ”ง Utilities
(845)
ad-supported
11
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Figure calculator ShapeInfo
Geometric shape calculator
Free

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.

Calculate lengths, angles, and areaSupports 2D shapes (triangle, circle, ellipse)Supports 3D shapes (pyramid, prism, cone, cylinder, sphere)
๐Ÿ“Š Productivity
(134)
ad-supported
12
Concrete Tools
Concrete Tools
Concrete Tools
Slab, Footing, Rebar Estimator
Free
๐Ÿ”ง Utilities
(0)
13
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
๐Ÿ’ผ Business
(37)
ad-supported
14
Concrete Calculator - NorthOne
Concrete Calculator - NorthOne
Concrete Calculator - NorthOne
Calculate Cement Volume
Free

This tool accurately estimates the cement volume needed for various construction projects, including slabs, blocks, and footings. It helps determine the exact number of concrete bags or yards required, simplifying material ordering for professionals and DIYers.

Accurate volume calculationsEstimates bags or yards of concreteSupports slab, block, footing, column, stair, and curb projects
๐Ÿ”ง Utilities
(7)
free
15
Stamp Concrete Calculator
Stamp Concrete Calculator
Stamp Concrete Calculator
stamp concrete calcs made easy
Free

Easily calculate the required amounts of color, release, sealer, and overlay mix for stamp concrete projects. This tool also assists with calculations for concrete countertops and concrete stain, specifically for Sikaยฎ products.

Calculate stamp concrete mix amountsCalculate overlay mix amountsCalculate concrete countertop needs
๐Ÿ”ง Utilities
(16)
ad-supported
16
TMT Rebar Steel calculator
TMT Rebar Steel calculator
TMT Rebar Steel calculator
TMT bar Steel Calculator
$1.99

Calculate the estimated weight and price of TMT rebar steel for construction projects. Input the number of steel rods needed and the price per kilogram for accurate costings.

Estimate TMT rebar weightCalculate TMT rebar priceInvoice generation
๐Ÿ”ง Utilities
(0)
paid
17
Rebars+
Rebars+
Rebars+
by Kamran Saberihaghighi
$0.99

Calculate the area of steel rebars for beams, slabs, and shear reinforcement. Supports standard US, Canadian, and European rebar sizes in both metric and non-metric units.

Beam Reinforcement calculatorSlab Reinforcement calculatorShear Reinforcement calculator
๐Ÿ”ง Utilities
(1)
paid
18
BuildCalc
BuildCalc
BuildCalc
Construction Calculator
$24.99

This app enhances traditional construction calculators with advanced functions for layout, material estimation, and complex calculations. It offers interactive features, customizable material sizes, and streamlined results presentation to reduce complexity and improve accuracy for professionals.

Advanced baluster and stair layoutFence post and material estimationInteractive calculation adjustments
๐Ÿ”ง Utilities
(68)
paid
19
Chippy Tools: Construction
Chippy Tools: Construction
Chippy Tools: Construction
Construction Calculator
Free

This app simplifies complex calculations for construction professionals. It offers a variety of tools for tasks like spacing, measurements, and material estimation, helping to reduce errors and save time on job sites. Available on iPhone and iPad, it aims to be an essential tool for tradespeople.

Baluster spacing calculatorFlat run attached baluster calculatorSquare calculator
๐Ÿ”ง Utilities
(946)
freemium
20
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Tape Measure Calculator Pro
Measuring Math Made Easy
$3.99

Perform complex calculations directly on a visual tape measure. Easily add, subtract, multiply, and divide measurements, mixing decimals and fractions. Get results in inches, feet, and centimeters, in both decimal and fractional formats, saving time and preventing errors.

Visual tape measure calculationsAdd, subtract, multiply, divide measurementsMix decimals and fractions
๐Ÿ”ง Utilities
(2.1K)
paid

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