Math & Geometry
Precise mathematical calculators developed by mathematicians and educators. Our math tools provide accurate computations for algebra, geometry, trigonometry, and advanced mathematics, serving students, engineers, and professionals in technical fields.
Math & Geometry
Angle Cut Calculator - Miter, Bevel & Compound Cuts
Calculate precise miter, bevel, and compound cutting angles for woodworking and construction. Get instant accurate results for crown molding, frames, and perfect joints.
Angle of Depression Calculator - Free Online Tool
Calculate angle of depression instantly with our free online calculator. Enter horizontal and vertical distances to find downward angles for surveying, navigation, and trigonometry.
Arch Calculator - Calculate Radius, Span & Rise
Free arch calculator for precise arch dimensions. Calculate radius, span, rise, arc length & arch area instantly. Perfect for construction, architecture & DIY projects.
Arithmetic Sequence Generator & Calculator - Free Tool
Generate arithmetic sequences instantly. Enter first term, common difference, and number of terms to create number patterns for math, finance, and coding.
Asphalt Volume Calculator - Cubic Feet & Meter Conversion
Calculate exactly how much asphalt you need for driveways, parking lots, and paving projects. Get instant results in cubic feet and cubic meters with waste factor guidance.
Bolt Circle Diameter Calculator | Free BCD Tool
Calculate bolt circle diameter (BCD) instantly. Enter number of holes and distance between them for accurate results. Perfect for engineering and automotive.
Carpet Area Calculator - Get Accurate Room Measurements Fast
Calculate exact carpet needed for any room in seconds. Enter length and width for precise square footage. Includes wastage tips from professional installers.
Circle Calculator: Find Radius, Diameter, Area & Circumference
Free circle calculator to instantly compute radius, diameter, circumference, and area from any known value. Perfect for students, engineers, and professionals.
Circle Radius Calculator: Find Radius from Diameter & Area
Calculate the radius of a circle from diameter, circumference, or area. Free tool with formulas, examples, and instant results for geometry and design projects.
Concrete Column Calculator: Volume & Bags Needed
Calculate the exact volume of concrete needed for columns and determine how many bags to purchase based on your dimensions and preferred bag size.
Concrete Cylinder Volume Calculator - Columns & Pillars
Calculate concrete volume for cylindrical columns, pillars, and tubes. Get instant results in cubic meters with waste factor guidance for accurate material ordering.
Concrete Stairs Calculator - Accurate Volume Estimator
Calculate concrete volume for stairs instantly. Free calculator for staircase projects - supports metric and imperial units. Get accurate estimates with step-by-step guidance.
Concrete Volume Calculator - Calculate Cubic Meters & Yards
Free concrete volume calculator: Get instant, accurate measurements for any construction project. Calculate concrete in cubic meters or yards for driveways, slabs, foundations & more.
Cone Diameter Calculator - Calculate from Height & Radius
Calculate cone diameter using height and slant height or radius. Free online tool for engineering, geometry, and design. Get instant, accurate results.
Cone Volume Calculator - Calculate Cone & Frustum Volume
Free cone volume calculator: Calculate full cone and truncated cone (frustum) volumes instantly. Enter radius and height for precise results in cubic units. Perfect for engineering and math.
Conic Sections Calculator - Circle, Ellipse, Parabola
Calculate eccentricity and equations for all conic sections: circles, ellipses, parabolas, and hyperbolas. Free online tool with formulas and examples.
Cubic Cell Volume Calculator - Calculate Cube Volume Instantly
Calculate cubic cell volume with our free calculator. Enter edge length to get instant results using V=a³ formula. Perfect for crystallography, engineering, and 3D measurements.
Cubic Feet Calculator: Volume Measurement for 3D Spaces
Calculate cubic feet easily by entering length, width, and height in various units. Perfect for moving, shipping, construction, and storage volume calculations.
Cubic Meter Calculator: Calculate Volume in 3D Space
Calculate cubic meters instantly for construction, shipping, and space planning. Enter length, width, and height to get accurate m³ volume measurements. Free tool.
Cubic Yard Calculator - Free Volume Tool
Calculate cubic yards instantly for construction and landscaping projects. Enter dimensions in feet, meters, or inches. Perfect for concrete, mulch, topsoil, and gravel estimates.
Floor Area Ratio Calculator | FAR Calculator Tool
Calculate the Floor Area Ratio (FAR) by dividing total building area by plot area. Essential for urban planning, zoning compliance, and real estate development projects.
Flooring Area Calculator - Instant Square Footage Results
Calculate flooring area in seconds. Enter room dimensions, get exact square footage in feet or meters. Avoid wasting money on incorrect material orders.
Flow Rate Calculator: L/min from Volume and Time
Calculate fluid flow rate in liters per minute instantly. Enter volume and time for accurate results. Free tool for plumbing, HVAC, industrial, and lab applications.
Free Online Calculator - Quick Math | Llama Calculator
Free online calculator for instant math calculations. Perform addition, subtraction, multiplication & division with ease. No download required!
Free Paver Calculator - Calculate Pavers Needed Instantly
Calculate exactly how many pavers you need for patios, driveways & walkways. Free paver calculator with instant accurate estimates. Includes waste factor & all paver sizes.
Free River Rock Volume Calculator | Precise Landscape Tool
Calculate exact river rock volume needed for landscaping projects. Free tool provides cubic feet & meters. Avoid over-ordering with our precise calculator.
Gambrel Roof Calculator - Materials, Cost & Dimensions Estimator
Calculate gambrel roof materials, costs and dimensions instantly. Get accurate estimates for shingles, plywood and more for your barn or home project.
Gravel Quantity Calculator: Estimate Materials for Your Project
Calculate the exact amount of gravel needed for your landscaping or construction project by entering dimensions. Get results in cubic yards or cubic meters.
Height of Cone Calculator - Calculate Cone Height Online
Free cone height calculator - Calculate cone height from radius and slant height instantly. Includes formula, step-by-step guide, examples, and real-world applications.
Hole Volume Calculator - Excavation Volume for Round & Rectangular Holes
Calculate excavation volumes for cylindrical and rectangular holes. Free calculator for post holes, foundations, and trenches with formulas and examples.
Hypotenuse Calculator - Pythagorean Theorem Tool
Free hypotenuse calculator using the Pythagorean theorem. Calculate triangle sides instantly with step-by-step formulas. Perfect for construction, carpentry, and geometry problems.
Ladder Angle Calculator: Find the Safest Angle for Your Ladder
Free ladder angle calculator using the proven 4:1 ratio safety standard. Enter wall height and base distance to instantly verify your ladder is positioned at the safe 75-degree angle.
Land Area Calculator - Square Feet, Acres & Hectares Converter
Calculate land area instantly for rectangular plots. Convert between square feet, acres, hectares, and more. Free tool for real estate, construction, farming, and property measurement.
Lateral Area of Cone Calculator - Free Online Tool
Calculate lateral area of a cone instantly with our free calculator. Enter radius and height for accurate cone surface area calculations. Perfect for engineering and math.
Logarithm Simplifier - Instant Step-by-Step Solutions
Simplify log expressions instantly with step-by-step breakdowns. Apply product, quotient, and power rules automatically. Works offline with any base. Free for students and professionals.
Miter Angle Calculator for Woodworking & Construction
Calculate precise miter angles for polygon corners in carpentry projects. Enter the number of sides to determine the exact angle for your miter saw cuts.
Moser-de Bruijn Sequence Generator | Powers of 4 Calculator
Generate Moser-de Bruijn sequences instantly. Calculate sums of distinct powers of 4 with base-4 representations using only 0s and 1s. Free online tool for math education and research.
Ohm's Law Calculator - Calculate Voltage, Current & Resistance
Calculate voltage, current, or resistance instantly with this free Ohm's Law calculator. Enter any two values to solve V=IR. Includes practical examples, formulas, and step-by-step solutions for circuit design.
Pipe Volume Calculator - Calculate Cylindrical Pipe Capacity
Calculate pipe volume instantly using the πr²h formula. Enter diameter and length to determine water capacity, material needs, or fluid storage for engineering and plumbing projects.
Pitch Diameter Calculator - Gear & Thread Design Tool
Calculate pitch diameter for gears and threads instantly. Professional tool for mechanical engineers - handles module × teeth for gears, major diameter - 0.6495 × pitch for threads.
Plywood Calculator - Estimate Sheets for Your Project
Calculate plywood sheets needed for construction projects. Enter dimensions, select sheet size (4x8, 4x10, 5x5), and get instant material estimates with cost calculation.
Quadratic Equation Solver - Calculate Roots of ax² + bx + c = 0
Free online quadratic equation solver with step-by-step explanations. Enter coefficients a, b, c to instantly find real or complex roots with adjustable precision.
Rafter Length Calculator - Building Width & Roof Pitch to Length
Calculate exact rafter lengths instantly from building width and roof pitch (ratio or angle). Get accurate measurements for construction projects, material ordering, and roof framing.
Rectangle Perimeter Calculator - Free Instant Results
Calculate rectangle perimeter instantly with length and width inputs. Free tool for fencing, baseboards, framing, and any project needing boundary measurements.
Right Circular Cone Calculator - Volume, Surface Area & Formulas
Calculate cone volume, total surface area, lateral area, and slant height instantly. Free calculator with formulas, examples, and code. Perfect for engineers, students, and manufacturing.
Rolling Offset Calculator | Free Pipe Offset Tool Online
Calculate rolling offsets instantly with our free pipe offset calculator. Enter rise and run values for accurate pipe fitting measurements. Perfect for plumbers and HVAC techs.
Sand Volume Calculator - Calculate Sand Needed Instantly
Calculate sand volume for construction, landscaping, and DIY projects. Get instant results in cubic meters, feet, or yards with our free calculator.
Slant Height of Cone Calculator - Calculate Cone Dimensions Online
Free slant height of cone calculator. Calculate cone slant height, radius, or height instantly using the Pythagorean formula. Perfect for geometry, engineering & architecture projects.
Sonotube Volume Calculator | Free Concrete Form Calculator
Free sonotube volume calculator for construction projects. Instantly calculate concrete needed for cylindrical column forms with accurate results in cubic feet, inches, meters & yards.
Square Footage Calculator - Free Area Calculator Tool
Calculate square footage instantly with our free area calculator. Enter length and width to get precise square feet measurements for flooring, rooms, and property projects.
Stair Stringer Calculator - Calculate Rise, Run & Cuts | IRC Compliant
Calculate exact stair stringer dimensions for code-compliant stairs. Get step count, rise/run, lumber size, and cut patterns. Supports US IRC, IBC, Canadian, and international building codes. Free tool for carpenters and DIYers.
Surface Area Calculator - Free Tool for All 3D Shapes
Calculate surface area instantly for spheres, cubes, cylinders, pyramids, cones & prisms. Free online calculator with formulas, examples & step-by-step guide.
Swimming Pool Volume Calculator | Cubic Feet & Gallons
Free swimming pool volume calculator - instantly calculate pool capacity in cubic feet and gallons. Enter dimensions in meters or feet for accurate chemical dosing.
Tank Volume Calculator - Cylindrical, Spherical & Rectangular Tanks
Calculate tank volume instantly for cylindrical, spherical, and rectangular tanks. Get accurate capacity in liters, gallons, or cubic meters. Free engineering calculator.
Taper Calculator - Calculate Angle & Ratio Instantly
Calculate taper angle and ratio from diameter measurements. Free tool for machining, engineering, and manufacturing - supports Morse tapers, NPT, and custom specifications.
Tile Calculator - Calculate How Many Tiles You Need (Free Tool)
Free tile calculator for floors, walls, and backsplashes. Enter room size and tile dimensions for accurate quantity estimates. Includes waste calculation tips from professional installers.
Trigonometric Function Grapher - Visualize Sin, Cos, Tan
Interactive trigonometric function grapher. Adjust amplitude, frequency, and phase shift in real-time to visualize sine, cosine, and tangent waves instantly.
Volume Calculator: Calculate Box Volume Instantly (Free)
Calculate box volume in seconds—enter length, width, height for instant cubic measurements. Perfect for shipping costs, storage planning & material estimates. Free 3D visualization included.
Wall Area Calculator – Calculate Square Footage for Paint & Materials
Calculate wall area in seconds for accurate material estimates. Enter height and width to get square footage for paint, tile, wallpaper, and drywall projects. Free and easy to use.
Wetted Perimeter Calculator - Channel Flow & Pipe Design
Calculate wetted perimeter for trapezoidal, rectangular, and circular channels. Free hydraulic engineering tool for open channel flow, pipe design, and fluid mechanics.