Best Rebar Calculator Apps

208+ iOS apps curated and reviewed

4.6 avg rating
17 free apps
Updated June 2026

Looking for free rebar calculator apps? 17 of our 208+ tracked titles are free to download β€” no subscription, no trial. The rest are premium picks worth paying for.

Top Picks for Rebar Calculator

Rebar Calc#1

Rebar Calc by Appco LLC (USA)

concrete calcs made easy
Editor's Choice
πŸ”§ 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

Rebar Calc simplifies concrete and rebar calculations, offering tools to determine rebar, mesh, and concrete materials needed for projects. Customize calculations and get quick quotes on supplies. Essential for construction planning.

Concrete Calculator Plus#3

Concrete Calculator Plus by Calc Hub, LLC

by Inch Calculator
Worth Considering
πŸ”§ Utilities
4.8😊(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

Estimate concrete quantities with ease using 15 free calculators available in the app for various construction projects such as slabs, walls, and columns. Input dimensions in different units and receive results in both US customary and metric measurements. Access these trusted calculators by visiting www.inchcalculator.com.

What We Love

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

Room to Improve

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

More Rebar Calculator apps to explore

4
CSiRebar
CSiRebar
CSiRebar
by Computers and Structures, Inc.
Free

This application conveniently converts between bar sizes, steel area, and spacing requirements, allowing structural and civil engineers to quickly view and select reinforcement layouts during member design and analysis. It generates multiple reinforcement layouts, offers combined layouts, and enables users to define custom rules for bar selection.

πŸ”§ Utilities
(1)
5
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Concrete Calc Pro Calculator
Calculate Concrete & Rebar
Free
$39.99 | 100% OFF

This application helps construction professionals and DIY enthusiasts calculate concrete and rebar requirements for various projects, such as slabs, footings, and walls, and provides tools for estimating materials, designing stairs, and converting between different units of measurement. Try it out with a free trial period and take your construction projects to the next level with accurate calculations and efficient planning.

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6
Gravel Calculator Plus
Gravel Calculator Plus
Gravel Calculator Plus
by Inch Calculator
Free

Estimate the amount of gravel, stone, sand, and more for your projects with this free gravel calculator. Get accurate measurements in tons, cubic yards, and cubic meters. Trusted by millions worldwide, it's your go-to tool for landscaping and hardscaping projects!

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7
Material Estimator Calculator
Material Estimator Calculator
Material Estimator Calculator
Estimate Construction Projects
Free

Estimate construction projects with precision using the ultimate Material Estimator Calculator app by Calculated Industries. Effortlessly calculate material costs, utilize an integrated database for precise estimations, and access advanced measurement tools for accurate results. Upgrade your building material estimation process today!

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8
Block Calculator Plus
Block Calculator Plus
Block Calculator Plus
by Inch Calculator
Free

Estimate materials for masonry projects with 9 free calculators like block, brick, and concrete estimators. Convert dimensions and measurements in various units for accurate results.

πŸ”§ Utilities
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9
Construction Calculator A1
Construction Calculator A1
Construction Calculator A1
Construction calculator app
Free

This construction calculator app is a trusted tool for contractors, builders, and engineers, offering a range of calculators for concrete, rebar, steel, area, volume, and unit conversions, as well as professional features for estimating and reporting. Download now and start estimating like a pro with a suite of tools to streamline your construction calculations and project management.

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10
Construction Calculator SS
Construction Calculator SS
Construction Calculator SS
Design & Building Math Calc
Free
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11
Rebar Grid Calculator
Rebar Grid Calculator
Rebar Grid Calculator
Number and Spacing of Rebar
$1.99

Calculate the number and spacing of rebar needed to reinforce a concrete slab by entering slab dimensions and desired rebar spacing. Get instant results in imperial or metric units and easily share them via email or text.

πŸ’Ό Business
(13)
12
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
OneCalc: All-in-one Calculator
Calculates everything. Try it.
Free

A versatile calculator app for iPhone and iPad offering over 40 calculators and unit converters for finance, health, and more. Simplify your calculations with just one app today!

πŸ“Š Productivity
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13
Construction Master Pro Calc
Construction Master Pro Calc
Construction Master Pro Calc
Feet Inch Fraction Calculator
Free

An essential tool for professionals working with dimensions, this app optimizes speed and accuracy while reducing errors. Try it for free before purchase on your App Store account. Ideal for enhancing productivity on the go.

πŸ”§ Utilities
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14
Concrete and Agg Calculator
Concrete and Agg Calculator
Concrete and Agg Calculator
by Chaney Enterprises
Free

This application provides a set of calculators for construction materials, including concrete and aggregate, to help users determine the exact amount needed for various projects, taking into account potential waste and irregularities. With individual calculators for different types of projects, such as slabs, footings, walls, and steps, users can get accurate estimates and recommended order amounts to ensure they have enough materials.

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15
Constropedia Steel BBS Calc
Constropedia Steel BBS Calc
Constropedia Steel BBS Calc
Steel bar, beam, column & slab
Free
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(4)
16
CRSI Rebar Reference
CRSI Rebar Reference
CRSI Rebar Reference
Ready reference data for rebar
Free

This handy reference app provides essential data on reinforcing bars, including specifications, hook details, and marking requirements, making it a valuable resource for professionals in the field. Download the app to access quick and easy reference information on ASTM standard reinforcing bars and industry standards.

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(16)
17
Calculator‰
Calculator‰
Calculator‰
Default Calculator
Free

Experience a beautifully designed calculator with large buttons and a clear display for quick and efficient calculations. Try it now to discover the simplicity and ease of use for your everyday arithmetic needs.

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18
TMT Rebar Steel calculator
TMT Rebar Steel calculator
TMT Rebar Steel calculator
TMT bar Steel Calculator
$1.99
πŸ”§ Utilities
(0)
19
Panecal Scientific Calculator
Panecal Scientific Calculator
Panecal Scientific Calculator
For engineers and students
Free

A scientific calculator app designed for engineers and students, offering features like formula display, quick editing, memory functions, and various calculation modes. Improve accuracy and efficiency with easy formula navigation and editing tools. Explore advanced functions for different number systems and mathematical operations.

πŸ”§ Utilities
(1.9K)
20
Baluster Calculator Elite
Baluster Calculator Elite
Baluster Calculator Elite
Spindle and Railing Calculator
$8.99

This calculator simplifies solving baluster spacing measurements for handrails, allowing users to easily determine the number of balusters, spacing, and measurements for marking centers, for both flat and stair railings. Try it out to accurately calculate baluster spacing and make your railing projects a breeze!

πŸ”§ Utilities
(307)