Construction & Real Estate

Carpet Builtup Calculator

Convert carpet area to built-up area using customizable loading factors.

Square Footage Calculator

Calculate square footage of rectangles, circles, triangles, trapezoids and more. Free online square footage calculator with price per square foot option.

Stair Calculator

Calculate staircase dimensions including number of steps, riser height, tread depth, and stringer length. Free online stair calculator with building code compliance.

Tile Calculator

Estimate the total number of tiles needed to cover a floor, wall, roof, or any surface. Accounts for tile size, gap spacing, box sizes, and pricing.

Gravel Calculator

Calculate the amount of gravel needed for your landscaping or construction project. Estimate volume, weight, and cost based on area dimensions, depth, and gravel type.

Concrete Calculator

Calculate the amount of concrete needed for slabs, columns, tubes, curbs, and stairs. Estimate volume in cubic yards, cubic feet, and number of concrete bags required.

BTU Calculator

Calculate the required BTU (British Thermal Units) for heating or cooling a room based on dimensions, insulation, sun exposure, climate zone, and number of occupants.

Roofing Calculator

Calculate roof area, estimate materials needed for your roofing project. Free online roofing calculator with pitch correction and cost estimation.

Mulch Calculator

Calculate the amount of mulch needed for your garden or landscaping project. Free online mulch calculator with depth and cost estimation.

Cubic Yards Calculator

Calculate cubic yards volume for landscaping, construction, and fill materials. Free online cubic yards calculator with multiple shape options and cost estimation.

Cubic Feet Calculator

Calculate cubic feet volume for shipping, moving, storage, and construction. Free online cubic feet calculator with multiple shapes and unit conversions.

Feet and Inches Calculator

Add, subtract, multiply, divide, and convert feet and inches measurements. Free online feet and inches calculator with fractions, decimals, and mixed numbers.

Road Base Calculator

Calculate road base material volume for roads, driveways, and parking lots. Free online roadway fill volume calculator with material density and cost estimation.

Tank Volume Calculator

Calculate tank volume and fill level for horizontal and vertical cylinders, rectangles, ovals, capsules, and more. Free online tank volume calculator in gallons and liters.

Board Feet Calculator

Calculate board feet for lumber using nominal dimensions. Supports single piece, multiple identical pieces, and mixed orders with optional price per board foot.

Concrete Volume Calculator

Calculate concrete volume for slabs, footings, columns, and walls with bag counts and waste factor.

French Drain Calculator

Calculate French drain pipe diameter, gravel volume, and trench dimensions for effective drainage system design.

Gutter Design Calculator

Calculate gutter flow rate using the Manning equation for roadway and roof drainage design. Solve for flow rate, Manning n, cross slope, longitudinal slope, or flow spread.

Paint Coverage Calculator

Calculate how many gallons of paint you need for a room. Computes interior wall area, subtracts doors and windows, and divides by coverage rate.

Thrust Block Calculator

Calculate thrust block bearing area, thrust force, and soil bearing pressure for pipe fittings. Free online thrust block design calculator for engineers.

Air Conditioner BTU Calculator

Calculate the required BTUs for an air conditioner based on room dimensions, number of people, sun exposure, and insulation quality.

Beam Load Calculator

Calculate beam load capacity, bending moment, shear force, stress, and deflection for various support types and cross-sections.

Brick and Mortar Calculator

Calculate how many bricks and how much mortar you need for your wall project. Supports doors/windows, multiple brick sizes, bond patterns, and cost estimation.

Cone Flat Pattern Template Generator

Generate flat sheet layout pattern dimensions for making a full or truncated cone (frustum). Calculates radius, arc length, and angle for fabrication.

Decking Calculator

Calculate all materials needed for your deck project including decking boards, joists, beams, posts, and fasteners with waste allowance.

Drywall Calculator

Estimate the number of drywall sheets, joint compound, tape, and total cost needed for your wall and ceiling project. Calculate by room dimensions or total square footage.

Fabric Calculator

Calculate fabric yardage for sewing and quilting projects with seam allowance, directional prints, waste buffer, and cutting layout estimates.

Fence Calculator

Calculate fence materials including posts, rails, pickets, panels, concrete, and hardware for privacy, picket, post & rail, and panel fence styles.

Flooring Calculator

Calculate how much flooring material you need for any room shape with waste factor and cost estimation.

Miter Angle Calculator

Calculate the precise miter and bevel angles for simple frames or compound crown molding joints using your saw.

Acres Per Hour Calculator

Calculate how many acres per hour you can cover based on tool width, speed, and overlap. Estimate time needed for mowing, plowing, or any field work.

Bulb Spacing

Calculate exactly how many flower bulbs you need for your garden bed based on area dimensions, plant spacing, and grid layout patterns.

Compost Calculator

Calculate how much compost you need for your garden or lawn. Free online compost calculator to determine compost volume, cost, and weight for any project.

Grain Bin Calculator

Calculate grain bin volume and bushel capacity for round and rectangular bins. Free online grain bin calculator for farmers and grain storage management.

Grass Seed Calculator

Calculate how much grass seed you need for your lawn based on area size and seed coverage rate. Supports rectangular, circular, elliptical, and triangular lawns.

Livestock Fence Calculator

Estimate materials and costs for livestock fencing including woven wire, barbed wire, high-tensile, and electrified fence types. Plan your agricultural fencing project with our free calculator.

Pine Straw

Calculate how many bales of pine straw you need for your garden or landscaping project based on area dimensions and coverage per bale.

Potting Soil Calculator

Calculate how much potting soil you need for your containers, raised beds, and flower pots. Supports rectangular, round, and tapered pot shapes.

Raised Bed Soil Calculator

Calculate how much soil you need for your raised garden beds. Online raised bed soil calculator with length, width, depth, and soil mix recipes for topsoil, compost, and aeration materials.

Sod Calculator

Calculate how many rolls of sod you need and the total cost based on your lawn area, waste factor, and sod roll dimensions.

Soil Calculator

Calculate how much soil, topsoil, or garden soil you need based on area dimensions, depth, density, and price per unit.