# Concrete Calculator: Pour — Construction Volume Estimator

> Construction Volume Estimator (iPhone/iPad app by Chengdu Rongyishuo Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/concrete-calculator-pour/id6808857381 (this page in markdown: same URL + `.md`)
- Developer: [Chengdu Rongyishuo Technology Co., Ltd.](https://appshunter.io/developer/1689559601)
- Category: Utilities
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 15.0 · 11 MB
- Languages: American English
- Released: 2026-09-10
- Data updated: 2026-10-01

## What is Concrete Calculator?

Plan concrete pours with confidence. Concrete Calculator turns project dimensions into concrete volume and whole-bag estimates for slabs, walls, footings, columns, circular pads, post holes, and known-area pours.

BUILT FOR REAL POUR TYPES
• Concrete slabs for floors, patios, and driveways
• Poured walls with deductions for multiple rectangular openings
• Strip and isolated footings
• Solid round columns
• Circular slabs, pads, and bases
• Round or square post holes with post-displacement deductions
• Area-based slabs for projects where the surface area is already known

VOLUME AND BAG ESTIMATES
See the total concrete required in cubic yards and cubic feet, or cubic meters and liters. Add an adjustable extra percentage for waste, choose a common bag size or enter a custom size, then use the package yield to calculate the number of whole bags to buy.

US AND METRIC UNITS
Work in feet, inches, meters, centimeters, and millimeters. Switch unit systems or mix supported dimension units while preserving the physical measurements of your estimate.

FREE SLAB CALCULATOR + OPTIONAL PRO
The Concrete Slab calculator is free to use. Optional Pro access unlocks six additional calculators: Wall, Footing, Post Hole, Column, Circular Slab, and Area-Based Slab. Choose from available subscription or lifetime purchase options in the app. Purchases are managed by the App Store and can be restored.

SAVE, EDIT, AND SHARE
Save estimates to on-device history, search and sort saved work, rename projects, reopen calculations for changes, and share a clean full-results image with your crew or customer.

CLEAR CALCULATION DETAILS
Review the calculated volume, extra amount, total required volume, package yield, and rounded bag count. Built-in formula references explain how each supported pour type is calculated.

No sign-up is required. After initial setup, calculations and saved history are available on device; purchases and restoration require an internet connection.

Always verify site measurements, product yield, local building requirements, and material needs before purchasing or pouring concrete.

Terms of Use:
https://sites.google.com/view/roys-cc-terms

Privacy Policy:
https://sites.google.com/view/roys-cc-privacy

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Premium Weekly | $3.99 | per 7 days |
| Premium Annual | $19.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Premium Lifetime | $39.99 | one-time |


## Is Concrete Calculator safe?

Not enough ratings yet to assess Concrete Calculator.

## Is Concrete Calculator legit?

Concrete Calculator: Pour appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Concrete Calculator is 70 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-09-14

We’ve refined the app experience and made behind-the-scenes improvements to keep concrete estimating smooth and reliable.

### 1.0.0 — 2026-09-11

No release notes.

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All apps by Chengdu Rongyishuo Technology Co., Ltd.: https://appshunter.io/developer/1689559601

## Related topics

[concrete slab calculator](https://appshunter.io/ios/topics/concrete-slab-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-01.*