๐Ÿ‘ค About Us

Built for Builders,
By a Builder

The story behind BuildCalcTools โ€” why it exists, who built it, and what drives every calculator on this site.

Malik Obaid Ur Rehman โ€” Developer of BuildCalcTools
Malik Obaid Ur Rehman
Developer & Founder ยท BuildCalcTools

BS Computer Science student at COMSATS University Abbottabad, Department of Computer Science. Passionate about building practical web tools that solve real-world problems for engineers, contractors, and construction professionals.

What Is BuildCalcTools?

BuildCalcTools is a free, browser-based collection of construction calculators designed for engineers, contractors, builders, and construction students. Every tool on this site runs entirely in your browser โ€” no server, no account, no data collection.

From concrete volume estimation to brick and mortar quantities, steel weight calculations, and excavation volumes โ€” BuildCalcTools covers the calculations that professionals need on the job site every day.

Why I Built This

As a Computer Science student at COMSATS University Abbottabad, I noticed that most construction calculators online are either locked behind paywalls, buried in cluttered interfaces, or produce unreliable results. Contractors and site engineers deserve better tools โ€” professional, fast, and free.

BuildCalcTools started as a personal project to bridge the gap between software engineering and the construction industry. Every formula is verified against industry standards, and every interface is designed to be readable on a phone screen in direct sunlight on a job site.

What Makes It Different

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Instant Results

Zero server round-trips. All logic runs client-side for instant feedback.

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Verified Formulas

Every calculation is cross-checked against industry standards and codes.

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Always Free

No subscription, no login, no credit card โ€” ever. Period.

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Mobile Ready

Designed to work on any device โ€” optimized for use on actual construction sites.

Education & Background

I am currently enrolled in the Bachelor of Science in Computer Science program at COMSATS University Abbottabad, one of Pakistan's leading public sector universities. My studies focus on software engineering, algorithms, web development, and data structures.

The Department of Computer Science at COMSATS Abbottabad has provided a strong foundation in both theoretical and applied computing โ€” and BuildCalcTools is one of the real-world applications of those skills.

Get In Touch

Have a suggestion for a new calculator? Found a bug? Want to collaborate? I'd love to hear from you.