Block Calculator: Wall Masonry
CMU Estimator & Material List
USD 1.99 · Designed for iPad. Not verified for macOS.
Accurately estimate every block, every material, and every cost — before a single block is laid.
Block Calculator is the professional-grade masonry estimating tool built for blocklayers, builders, and construction professionals. Whether you're quoting a residential garage or planning a commercial retaining wall, get precise block quantities and material lists in seconds — right from your iPhone or iPad.
PRECISE BLOCK-BY-BLOCK BREAKDOWN
No more guesswork. The calculator identifies exactly how many of each block type you need:
• Stretchers, Halves, Knockouts, Lintels
• Knockout Lintels, Corner Knockouts
• Half Heights, Half Height Halves, Sills
Each block type is calculated based on your wall dimensions, openings, bond beams, and wall ends — matching real-world masonry layout rules.
COMPLETE MATERIAL ESTIMATES
Beyond blocks, get a full material summary:
• Mortar (loam volume)
• Cement bags
• Pallets required
• Concrete fill volume
• Beam plates
• Horizontal reinforcing steel (with 16% lap and waste allowance)
• Net wall area and total wall length
FLEXIBLE INPUT FOR REAL JOBS
• Multiple walls — add as many wall lengths as your project needs
• Multiple openings — doors, windows, or any opening with individual width, height, head height, quantity, and sill beam toggle
• Wall ends, bond beams, starters, and steel door frames
• Adjustable material ratios (blocks per pallet, per bag, per cubic unit)
METRIC & IMPERIAL
Switch instantly between 200-series metric blocks (mm) and 8-inch imperial blocks (inches). All defaults, increments, and validation rules adapt automatically. Your inputs are preserved when switching — nothing is lost.
BLOCK TYPES REFERENCE GUIDE
Not sure which block goes where? The built-in Block Types & Placement screen shows all 9 block types with:
• Product codes and dimensions
• Detailed placement descriptions
• Color-coded example wall diagrams — plain wall, block types overlay, grouted, with reinforcement, and grout-only views
Tap any block to see exactly where it sits in a real wall layout.
EXPORT & SHARE
Generate professional PDF reports to share with your team, clients, or suppliers:
• Calculator Report — full input summary, block quantities table, and materials list
• Block Types Reference — printable quick-reference sheet with all block codes, dimensions, and usage notes
BUILT FOR THE JOB SITE
• No internet connection required — works fully offline
• Clean, fast interface designed for quick estimates between tasks
• Input validation catches errors before you calculate
• Smart warnings for unusual configurations (e.g. wall end count vs. wall count)
• Supports 34 languages
Stop over-ordering materials. Stop running short mid-job. Get the exact quantities you need — download Block Calculator now.
Ratings & Reviews
- This app has not received enough ratings or reviews to display an overview.
The developer, Vladislav Zhirnov, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Vladislav Zhirnov
- Size
- 3.9 MB
- Category
- Utilities
- Compatibility
Requires iOS 17.6 or later.
- iPhone
Requires iOS 17.6 or later. - iPad
Requires iPadOS 17.6 or later. - Mac
Requires macOS 14.6 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.3 or later.
- iPhone
- Languages
English and 31 more
- English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hindi, Hungarian, Indonesian, Italian, Japanese, Korean, Malay, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Spanish, Swedish, Thai, Traditional Chinese, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- Copyright
- © zhirnov.zsystems
