Math & Engineering Calculators

Calculate how many times the air volume in a space is completely replaced within one hour

Calculate precise angles for miter and bevel cuts in woodworking and construction projects

Calculate dimensions and properties of circular arches including span, rise, radius, and area.

Calculate the area of various geometric shapes including squares, rectangles, triangles, and circles

Calculate the amount of asphalt needed for your paving project

Calculate mean, median, and mode for any set of numbers

Calculate the number of balusters needed and optimal spacing for your staircase or deck railing

Calculate network bandwidth requirements based on data size and transfer time

Calculate basal area for forestry and tree measurements

Calculate bending stress in beams and structural members

Convert and calculate with extremely large numbers using various notations including scientific and engineering formats

Calculate birdsmouth cuts for roof rafter construction

Calculate materials for board and batten siding

Calculate materials and costs for board-on-board fence construction

Calculate proper boiler size for heating requirements

Calculate bolt circle dimensions including bolt spacing, chord length, and arc length

Calculate proper bolt torque specifications for fasteners

Calculate volume and surface area of spherical bowl segments

Calculate electrical box fill capacity per NEC requirements

Calculate carbon equivalent in steel welding applications

Calculate the exact amount of carpet needed for your room, including waste factor and total cost.

Calculate cubic feet per minute for ventilation and HVAC systems

Calculate circle properties including area, circumference, radius, and diameter

Calculate clearance hole sizes for bolts and screws

Calculate common factors and greatest common factor (GCF) of numbers

Calculate the volume and cost of concrete needed for your construction project, including reinforcement and formwork options

Calculate volume, weight, and reinforcement requirements for concrete columns

Calculate volume, surface area, and weight of concrete cylinders for testing and construction

Calculate the total cost of installing a concrete driveway, including materials, labor, and optional features

Calculate concrete volume and reinforcement for stair construction

Calculate the volume and weight of concrete needed for circular tubes or pipes

Calculate confidence intervals to estimate population parameters from sample data

Calculate the exact depth needed for a countersunk hole based on screw head dimensions and countersink angle

Calculate amount of stain needed for deck finishing

Calculate the distance between two points in 2D or 3D space

Calculate materials and total cost for building your own shed

Calculate proper header size for door and window openings

Calculate drywall sheets and materials needed for your project

Calculate epoxy resin and hardener ratios for various applications

Calculate the result of raising any number to any power

Find all factors (divisors) of any positive integer number

Calculate the total cost of installing a fence, including materials, labor, and gates

Calculate fence costs and material estimates

Calculate materials needed for various fence types and styles

Calculate the total perimeter and required fence length for your property, accounting for gates

Calculate the exact number of pickets needed for your fence project based on length, width, and spacing

Calculate the optimal depth for fence posts based on height, soil type, and wind exposure

Calculate the required fire flow rate for buildings based on construction type, occupancy, and dimensions

Calculate the exact amount of fire glass needed for your fire pit or fireplace based on dimensions

Calculate the ratio between a building's total floor area and the size of the lot it's built on

Perform basic arithmetic operations with fractions including addition, subtraction, multiplication, and division

Calculate materials needed for a French drain including trench dimensions, gravel volume, and pipe length

Calculate proper furnace size for heating requirements

Calculate dimensions and materials needed for a gambrel roof including rafter lengths, roof area, and more

Calculate the amount of gravel needed for your project, including volume, weight, and cost estimates

Calculate gravel quantities and costs for driveway construction

Calculate the greatest common factor (GCF) of two or more numbers. Also known as the greatest common divisor (GCD).

Convert numbers between decimal, hexadecimal, binary, and octal number systems with our comprehensive hex calculator.

Calculate volume of cylindrical and conical holes

Calculate materials needed for hoop house construction

Calculate mechanical horsepower and convert between different power units

Calculate network details including subnet masks, network addresses, broadcast addresses, and available host ranges for IPv4 networks.

Calculate electrical junction box sizes per NEC requirements

Calculate the K-factor, neutral axis position, bend allowance, and bend deduction for sheet metal bending operations

Calculate safe ladder angles and positioning

Calculate the Least Common Multiple of two or more numbers

Calculate natural logarithms, common logarithms, and logarithms with custom bases

Perform step-by-step long division calculations with detailed work shown

Calculate the volume of material removed per unit time in machining operations based on cutting parameters

Perform matrix operations including addition, subtraction, multiplication, and determinant calculations

Calculate mean, median, mode, and range from a set of numbers

Calculate the total cost of installing a metal roof, including materials and labor expenses

Calculate the weight of metal materials based on dimensions and material type

Calculate mortar quantities for masonry projects

Identify patterns and calculate the next terms in number sequences including arithmetic, geometric, and Fibonacci sequences

Calculate p-values for statistical hypothesis testing and determine statistical significance

Calculate the exact amount of paint needed for your walls, ceiling, or any surface with accurate coverage estimates

Calculate percentages, percentage changes, and solve various percentage problems with our comprehensive percent calculator

Calculate the percentage error between experimental and theoretical values

Calculate pitch diameter for screws and threads

Calculate the weight of metal plates based on dimensions and material type

Calculate the number of plywood sheets needed for your project, including waste factor and standard sheet sizes

Calculate pond dimensions, volume, and liner requirements for construction with sloped sides

Calculate the exact amount of concrete needed for your post holes, including cubic feet, yards, and number of bags required

Find the prime factorization of any positive integer. Break down numbers into their prime factors.

Calculate materials, costs, and specifications for your privacy fence project including posts, panels, and concrete

Calculate the probability of events occurring using different probability methods including single events, multiple events, and conditional probability

Calculate force required for punching operations

Calculate the length of any side in a right triangle using the Pythagorean theorem (a² + b² = c²).

Solve quadratic equations and find real or complex roots using the quadratic formula

Calculate ratios, find equivalent ratios, and solve ratio problems

Calculate sides, angles, area, and perimeter of right triangles

Calculate the amount of rip rap stone needed for erosion control projects, including surface area, volume, and recommended stone sizes

Calculate the appropriate rivet dimensions based on material thickness, load requirements, and application type

Calculate road base material quantities for construction projects

Calculate roofing materials including shingles, underlayment, and other materials needed for your project

Calculate any root (square root, cube root, or nth root) of a number

Calculate dimensions, perimeter, and area of round pens for training facilities

Round numbers to decimal places or significant figures

Calculate the required sample size for your research or survey based on population size, confidence level, and margin of error.

Convert numbers to and from scientific notation format

Calculate the exact amount of sealant needed for your project, including joints, gaps, and seams

Calculate the number of shiplap boards needed for your wall or surface area, including waste factor and cost estimation

Calculate the amount of siding needed for your home or building project, including materials and waste factor considerations

Calculate the weight of a rectangular cuboid based on its dimensions and material density

Calculate the slope (gradient) between two points on a line

Calculate the design snow load on roofs and structures based on ground snow load, exposure factors, and roof slope

Calculate speed, distance, or time using the relationship between these variables

Calculate the optimal spindle speed (RPM) for machining operations based on cutting speed and workpiece diameter

Convert square feet area measurements to cubic yards volume for construction and landscaping projects

Calculate the square footage of any room or space by entering its dimensions

Convert between square yards and other area measurements for construction and landscaping projects

Convert area measurements to square yards for construction, flooring, and landscaping projects

Calculate carpet needed for stairs including treads and risers

Calculate standard deviation, variance, mean, and other statistical measures for your dataset

Calculate mean, median, mode, standard deviation, variance, and other statistical measures from your data set

Calculate the amount of stone needed for your construction or landscaping project

Calculate the surface area of various 3D shapes including cubes, spheres, cylinders, and rectangular prisms

Calculate the amount of thinset mortar needed for your tile installation project

Calculate thread pitch, TPI (threads per inch), and related measurements for various thread types

Calculate the exact number of tiles needed for your flooring or wall project

Calculate tire dimensions including width, aspect ratio, and overall diameter

Calculate weight in tons based on volume and density

Calculate true position tolerance and verify measurements in geometric dimensioning and tolerancing (GD&T).

Calculate materials and dimensions for walls using the Trump bond pattern, a traditional masonry technique.

Calculate vertical curve geometry for road design

Calculate materials and costs for your vinyl fence project

Calculate costs for vinyl fence installation

Calculate the amount of vinyl siding needed for your project, including materials and cost estimation

Calculate the volume of various 3D shapes including cubes, rectangular prisms, cylinders, spheres, and cones

Calculate materials and costs for wainscoting installation

Calculate materials needed for your wood fence project, including posts, rails, pickets, and hardware

Calculate how many standard deviations a data point is from the mean