Professional Construction Calculators

Planning a DIY project or professional renovation? HandyCalcs offers a growing library of free online calculators to help you estimate materials and costs with precision. Whether you're pouring concrete, laying tile, painting walls, or landscaping with gravel or mulch — we've got you covered. Use these calculators to save time, avoid overbuying materials, and make smarter project decisions.

HandyCalcs offers professional-grade construction calculators to help you estimate materials accurately and efficiently. Whether you're a contractor planning a large project or a homeowner working on weekend improvements, our calculators save time and prevent costly material shortages or overages.

Calculate with confidence:

•Concrete Volume for slabs, footings, columns, stairs, and more
•Material Quantities in cubic yards, cubic feet, or cubic meters
•Bag Requirements for 40lb, 60lb, and 80lb concrete bags
•Weight Estimates based on standard or custom concrete density
•Multiple Shapes including rectangular, circular, and complex forms

Our calculators use industry-standard formulas and support both imperial and metric units. Interactive sliders and manual input options make it easy to get precise measurements. All calculations happen instantly in your browser—no downloads or installations required.

Available Calculators

Concrete Calculator

Calculate concrete volume, weight, and bags needed for slabs, cylinders, stairs, tubes, and more. Perfect for driveways, patios, footings, and foundations.

Flooring Calculator

Calculate flooring materials needed for multiple rooms. Supports vinyl, laminate, hardwood and more. Also with recommended waste allowance per material and cost estimation.

Mulch Calculator

Calculate the volume of mulch needed for your garden beds and landscaping projects. Get an accurate estimate based on your area's dimensions and desired mulch depth.

Fuel Mix Calculator

Calculate the perfect two-stroke fuel and oil mix for your engine. Supports all common ratios (16:1 to 100:1) with multiple unit options and detailed mixing instructions.

Cement Calculator

Learn the difference between cement and concrete. Find out how much cement you need for your concrete mix and get accurate calculations for your project.

Tile Calculator

Calculate tiles needed for floors, walls, and backsplashes. Get accurate estimates for tile quantity, grout requirements, and account for waste factor.

How to Use HandyCalcs Calculators

Choose Your Calculator

Select the calculator that matches your project needs

Enter Dimensions

Input your project measurements using sliders or manual entry

Select Options

Choose units, concrete density, and other project-specific settings

Get Instant Results

See volume in cubic yards, weight, and number of bags needed

Plan Your Project

Use the results to order materials and plan your work

Frequently Asked Questions

Are these calculators free to use?

Yes! All HandyCalcs calculators are 100% free to use with no limits, registration, or hidden fees. Use them as much as you need for your projects.

How accurate are the calculations?

Our calculators use industry-standard formulas for accurate results. However, we always recommend ordering 10% extra material to account for spillage and variations.

Can I use these on my phone?

Absolutely! All our calculators are fully responsive and work perfectly on smartphones, tablets, and desktop computers with any modern browser.

Do you save my project data?

No, we don't store any of your project information. All calculations happen locally in your browser for complete privacy.

What units are supported?

Our calculators support both imperial (feet, inches, yards) and metric (meters, centimeters) units. You can switch between them easily.