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This free online beam calculator computes reactions, shear force, bending moment, deflection, and stress for common beam setups. You can model cantilever and simply supported beams with different load types directly in the browser. A paid upgrade exists for advanced features, but the base calculator is usable for free.
SkyCiv's free beam calculator lets you model simply supported or cantilever beams and compute support reactions directly in the browser. It also generates shear force and bending moment diagrams, with optional deflection/stress outputs. The free version is accessible online without a mandatory paid plan.
The Simply Supported Beam Calculator computes reactions, shear, bending moments, slopes, and deflections for multiple load cases. It includes options for material modulus and moment of inertia to produce deflection results. Calcresource also provides a separate cantilever beam calculator on the same site for matching beam type coverage.
Calculates bolt torque, ensuring correct tightening for safety and functionality in construction projects. Users input bolt specifications, material grade, and required torque, and receive precise torque values to achieve proper fitment. Engineers, mechanics, and DIY enthusiasts working on building structures or repairing machinery would use this tool to avoid overtightening or under-tightening bolts, which could lead to structural failures or equipment damage.
This insulation calculator will help you determine the R-value of a selected material at a given thickness or the total R-Value of an entire barrier or wall made of different layers of materials at their respective thicknesses.
Calculates the equivalent carbon content in steel using precise engineering formulas. Users input the relevant material properties, such as yield strength and carbon percentage, into the calculator interface. The tool then performs complex mathematical operations to determine the carbon equivalent number, which is a measure of a steel's propensity to harden at high temperatures during welding. Architects, structural engineers, and metal fabricators would use this tool to ensure that steel used in construction projects meets safety standards for heat-affected zones. By accurately determining the carbon equivalent, professionals can make informed decisions about material selection, potentially saving time and cost on rework due to subpar weld performance.
Use this floor joist calculator to determine the number of floor joists you will need and how much they will cost. You can also use this calculator to determine the maximum allowable span a floor joist can be depending on its wood species, grade, size, and supported load.
Use this junction box sizing calculator to determine the recommended dimensions of a junction box depending on the number of straight and angle pulls entering it and meet the National Electrical Code®.
Calculates recommended rivet sizes for specific applications by considering factors such as load capacity, material thickness, and spacing. Users input details about their project, including the type of load, surface finish, and bolt holes, then select materials to receive an accurate rivet size recommendation. Helps users in construction, repair, and manufacturing to ensure proper riveting techniques that enhance structural integrity and durability. Essential for professionals who need precise measurements to avoid costly errors or unsafe installations.
Calculates spindle speed and feed rate for lathe machining and milling operations using user inputs like tool diameter, material type, and desired surface finish. Helps users optimize machine settings to achieve precise results in their projects. Engineers, machinists, and fabrication professionals who need to ensure efficient and accurate machining processes would use this calculator. It aids in selecting the right spindle speed based on material hardness and cutting parameters, enhancing tool life and production quality.
Find out the different cross-sectional dimensions of any metric bolt's external thread and nut's internal thread using this thread calculator, given the thread pitch, basic major diameter, and tolerance class details of the threads.
Calculates the position of the neutral axis in sheet metal for bending operations by requiring inputs such as material thickness, bend radius, and plate length. Helps users in engineering and construction to ensure accurate material handling during fabrication processes. Engineers, architects, and metal fabricators use this tool to determine critical dimensions necessary for precise metal bending, enhancing structural integrity and project efficiency.
Use this wood beam span calculator to check a wood beam of a particular size and length to see if it can support a given uniform linear load by comparing its allowable and required bending and shear stress.
Check our CFM calculator to find the required airflow in cubic feet per minute (CFM) for any room size, depending on its recommended air change per hour.
Calculates basic, maximum, and minimum pitch diameter for ISO metric screw threads using user-provided thread parameters such as lead and number of threads per inch (TPI). Helps users ensure accurate measurements for construction projects involving screws and bolts, improving structural integrity and functionality. Ideal for carpenters, engineers, and anyone working on DIY projects requiring precise screw dimensions.
Calculates true position for bore and shaft axis alignment, comparing actual positions to tolerance limits in construction projects. Helps users ensure components are accurately aligned, improving overall structure stability and functionality. Ideal for engineers, contractors, and anyone involved in precise mechanical or industrial applications requiring high positional accuracy.
Calculates the strength of weld joints using user input on parameters like type of metal, thickness, and welding process. By entering these details, users can estimate the structural integrity of a weld joint. Civil engineers, construction managers, and metal fabricators would use it to ensure their projects meet safety standards and withstand expected loads, optimizing both performance and cost efficiency in welding applications.
Use this box fill calculator to find the correct size of electrical utility box to fit the conducting wires, grounding wires, and devices or equipment you would need to install and have it pass the National Electrical Code®.
Calculates punch force based on material properties and hole dimensions to estimate the force required for drilling holes. Helps users in construction, engineering, and manufacturing determine the appropriate punch force needed to create precise holes in materials like wood, metal, or plastic.
Use this door header size calculator to find the correct lumber size for your door header or determine the maximum length that a piece of lumber for a door header can span.
Calculates the rate at which material is being removed when turning, milling, and drilling using precise measurements of depth, width, and feed rate. Users input these values to estimate the material removal rate, aiding in project planning, time management, and ensuring efficient use of tools and materials. Construction professionals, machinists, engineers, and DIY enthusiasts would find this tool invaluable for optimizing their work processes. It helps them determine necessary machine settings, predict job completion times, and ensure they have adequate supplies. By providing accurate material removal rate estimates, it facilitates better decision-making in project management and resource allocation.
Calculates beam loads for construction projects based on user inputs such as beam length, material properties, and applied loads. Helps users verify calculations and ensure structural integrity in building designs. Engineers, architects, and construction professionals can use this tool to quickly assess potential structural issues before proceeding with project implementation. It saves time by automating complex load distribution calculations, allowing for more accurate planning and design phases.
Calculates the taper length and angle based on user inputs, facilitating precise measurements for construction projects. Helps users determine dimensions accurately, ensuring proper fitment and functionality of components in carpentry, woodworking, and related fields. Civil engineers, architects, carpenters, and DIY enthusiasts use it to ensure materials are cut at the correct angles and lengths for tasks such as roof trusses, stairs, and other structures that require precise slopes.
Calculates the pitch of threaded fasteners quickly and accurately. Users input thread diameter, and the calculator provides the corresponding pitch in threads per inch (TPI) or millimeters per turn (mm/turn). Ideal for mechanics, engineers, and DIY enthusiasts needing precise measurements for projects involving screws, bolts, nuts, and other threaded components. Helps users ensure proper fitment and performance in construction and mechanical applications. Essential for anyone working with threaded fasteners who requires accurate pitch for assembly and repair tasks, enhancing project quality and safety.
