Before using this website, please ensure you read and understand the Terms and Conditions.
Time Saving
Efficiently perform complex mathematical and construction calculations, without the need for manual calculators
Wide Range
Get free access to a wide range of shape-specific and various construction calculators for diverse tasks and projects
User-Friendly
Our calculators are accessible and easy to use for individuals with different levels of mathematical or construction knowledge
Reliable & Instant
You can confidently plan and execute your projects, reducing the risk of costly errors and ensuring optimal outcomes

Looking to tackle your renovation, or home improvement projects with ease? Look no further.
Whether you're planning
tiling,
flooring,
landscaping,
roofing,
or even installing a new fence, our
construction calculator
Tool has got you covered. With our wide range of FREE calculators that Simplify planning and estimation in your workflow.
Elevate your projects to the next level with our Building Tools calculators.
Measure your desired renovation space, e.g. bedroom, bathroom, garden patio, loft
Enter your measurements to calculate required areas and material quantities
Receive detailed cost estimates by inputting the cost values of your building materials
Tutorials on our YouTube channel are always there to provide you with further guidance
Estimate material quantities by simply inputing your dimension requirements, and our online tools will generate estimates for your materials, saving you time and money by purchasing the right amount of materials. Calculate diverse tasks allowing you to efficiently perform complex mathematical calculations without the need of a manual calculator, you can approach your projects with confidence, all while bringing your vision to life within budget.

Explore the untapped potential of 2D and 3D shapes with our advanced mathematical calculators. Uncover essential formulas and calculations for circles, triangles, rectangles, spheres, cubes , cylinders, and more. Our user-friendly interface allows for precise and efficient calculations of area, perimeter, diameter, radius, volume, surface area, and other key measurements for your desired shapes. Maximize your understanding and application of geometric concepts.

Bobthebuilders
construction calculators
are here to lend a helping hand when estimating materials for your construction,
renovation, or DIY projects. These calculators are offered free of charge,
we want to emphasize the importance of taking personal responsibility for your calculations.
If you require further assistance please
contact us,
Bob and his team will be happy to help.