Home and garden Calculators

AC Tonnage Calculator Use our AC tonnage calculator to accurately determine the right air conditioner size, with help from HVAC load calculation and Manual J calculation. Air Changes per Hour Calculator With the air changes per hour calculator (ACH) you can determine how often your air device exchanges the air in a room. Air Conditioner BTU Calculator Planning to buy an air conditioner for your room? This air conditioner room size calculator will help you choose the right air conditioner size, so you will be effectively and efficiently cooling your room. Arch Calculator Use this arch calculator to help you determine the focus points of an ellipse. With these, you'll be able to easily draw the perimeter of the rounded part of an elliptical arch. Boiler Size Calculator The boiler size calculator is here to help you know what size boiler to buy for your home. Carpet Calculator Use this carpet calculator to estimate the costs of your dream carpet. Chicken Coop Size Calculator Use this chicken coop size calculator to find out how much chicken coop space to provide your chickens to make them happy. Clearance Hole Calculator The clearance hole calculator helps you to quickly calculate the diameter of a hole through an object or substrate for a bolt or a screw using its thread and head diameters. Deck Stain Calculator With the deck stain calculator, you can easily estimate the volume of stain that you need to cover your deck. Epoxy Calculator Our epoxy calculator will help you find the right amount of epoxy resin required to coat your desired surface. Fence Calculator The fence calculator determines how much materials you will need to buy to build a fence on your own. Fence Post Depth Calculator Use this fence post depth calculator to determine the ideal depth for your fence posts. Floor Area Ratio Calculator Determine the various area indices for your new home using the floor area ratio calculator. Flooring Calculator The flooring calculator finds the amount and cost of the flooring material for your renovation project. Furnace Size Calculator Find the furnace BTU sizing that fits your needs with this furnace size calculator. Heat Loss Calculator Use the heat loss calculator to estimate the power of a heater needed to keep your room at a comfortable temperature. Hoop House Calculator Use this hoop house calculator to find the surface area and the heater size for your greenhouse. Ladder Angle Calculator The ladder angle calculator helps you to measure the angle between the structure and the ladder. Paint Calculator Paint calculator helps you calculate the amount and cost of paint needed to paint the walls of a room. Paver Calculator Are you planning to paver your patio? The paver calculator is just what you need. Use it to estimate how much material you ought to buy for your project and check the potential costs. Paver Sand Calculator Use our paver sand calculator to calculate the amount of sand required to form a stable layer beneath the pavement. Plywood Calculator Need to cover a floor or a wall with plywood? Check out the plywood calculator that estimates the required number of plywood pieces and their cost. Ramp Calculator If you're wondering how to design a ramp, here we come with an amazing ramp calculator. Rectangle Fence Perimeter Calculator Use our rectangle fence perimeter calculator to determine the length of the rectangular fence and tips about perimeter fences. Shiplap Calculator Our shiplap calculator will help you estimate the number of shiplap boards needed, as well as the total cost of your decorating project. Siding Calculator This siding calculator finds the square footage and cost of siding for your house. Square Yard Calculator With our square yard calculator, you can find the square yardage of your floor and the cost of covering it Stair Calculator The stair calculator helps you design comfortable stairs: it finds the stair stringer length, as well as the rise and run of individual steps. Stair Carpet Calculator Use this stair carpet calculator to determine the correct dimensions of carpet you will need to cover your stairs and how much it would cost. Wainscoting Calculator This wainscoting calculator will help you calculate the measurements and dimensions concerning your DIY wainscoting or board and batten project. We also explain the basics of wainscoting installation and some other information you might find useful. Wallpaper Calculator Wallpaper calculator finds the number of wallpaper rolls you need to buy for your room.