Toolnoza

Construction & Civil Engineering

Estimate concrete and gravel quantities from dimensions and explicit material assumptions.

Engineering Tools

Mulch CalculatorEstimate mulch volume in cubic yards, cubic feet or cubic meters from bed dimensions and depth, with waste and bag count.Paver CalculatorEstimate the number of pavers for a patio, walkway or driveway from project area, paver size and a waste allowance.Asphalt CalculatorEstimate hot-mix asphalt volume and weight in tons or tonnes from area, compacted thickness, density and waste allowance.Drywall CalculatorEstimate drywall sheets for walls and ceilings after subtracting openings and adding a configurable waste allowance.Paint CalculatorEstimate paint quantity from surface area, coats, coverage and waste.Tile CalculatorEstimate whole tiles for a floor or wall, including cutting and breakage allowance.Flooring CalculatorEstimate flooring area and whole packages from room size and package coverage, with a waste allowance.Square Footage CalculatorCalculate rectangular area in square feet and square metres from length and width.Fence CalculatorEstimate fence posts and panels from total length, maximum post spacing and panel width.Deck CalculatorEstimate deck area, decking boards and joists from dimensions, board size and spacing.Roofing CalculatorEstimate sloped roof area and roofing squares from footprint, pitch and number of roof planes.Solar Panel CalculatorEstimate annual solar generation, electricity value and simple payback using your local yield estimate.House Demolition Cost CalculatorEstimate house demolition cost with your local price per m² or square foot, debris removal, foundation removal and contingency.Fill CalculatorEstimate compacted fill volume, loose delivery volume and order tonnage for a rectangular area.Self Leveling Concrete CalculatorCalculate self-leveling compound volume and whole bags using manufacturer coverage at a reference thickness.Fence Post Spacing CalculatorFind evenly spaced fence bays and post counts for one straight open fence run.Welding Heat Input CalculatorCalculate arc energy and efficiency-adjusted heat input in kJ/mm and kJ/in.Rebar Development Length CalculatorCalculate basic straight-bar anchorage length from bar diameter, design steel stress and design bond strength.Welding Wire Consumption CalculatorEstimate deposited weld mass, solid-wire consumption and purchase mass from weld area, length and deposition efficiency.Welding Travel Speed CalculatorCalculate welding travel speed in mm/min and inches/min from weld distance and arc-on time.Concrete Slab CalculatorEstimate slab concrete volume with a waste allowance in metric or imperial units.Roof Pitch CalculatorConvert roof rise and horizontal run to angle, percent slope and pitch per 12.Board Feet to Square Feet CalculatorConvert lumber board feet into square feet using board thickness.Concrete Block Fill CalculatorEstimate grout volume from block count, manufacturer core volume and waste.Gravel Driveway CalculatorEstimate driveway gravel volume and mass from dimensions, density and waste.Rebar Weight CalculatorEstimate steel reinforcing bar weight from diameter, length and quantity.Board Foot CalculatorCalculate lumber board feet from thickness, width, length and board quantity.Slope Percentage CalculatorCalculate grade percentage and angle from vertical rise and horizontal run.Concrete Block CalculatorEstimate concrete blocks for a wall from net area, nominal block dimensions and a waste allowance. Includes an optional block purchase cost.Concrete CalculatorEstimate slab concrete volume and ordering allowance.Gravel CalculatorEstimate gravel volume and mass from area, depth and bulk density.Coordinate ConverterConvert WGS84 latitude and longitude to UTM coordinates and back.

Practical guides: Construction & Civil Engineering

Convert Square Metres, Hectares and AcresConvert a known area without confusing square units with length, using land-area examples and sensible rounding.How to Calculate Welding Wire Consumption: Formula & ExampleEstimate deposited weld mass, solid-wire consumption and purchase mass from weld area, length and deposition efficiency.How to Calculate Welding Travel Speed: Formula & ExampleCalculate welding travel speed in mm/min and inches/min from weld distance and arc-on time.How Much Mulch Do I Need? Mulch Calculator, Formula & ExamplesCalculate how much mulch you need in cubic yards, cubic feet or cubic meters. Learn the area × depth formula, bag conversion, waste allowance and a worked example.How Many Pavers Do I Need? Paver Calculator & FormulaEstimate how many patio or walkway pavers you need from project area, paver dimensions and waste. Includes square-foot formula and example.How Much Asphalt Do I Need? Asphalt Tonnage Calculator & FormulaCalculate asphalt volume and tons from length, width, compacted thickness and density. Includes Asphalt Institute density guidance and a worked example.How Many Drywall Sheets Do I Need? Drywall Calculator & ExampleEstimate drywall sheets for walls and ceilings from square footage, openings, sheet size and waste. Includes 4×8 example and practical limits.WGS84 Latitude/Longitude to UTM: Zones, Hemispheres and AccuracyWGS84 Latitude/Longitude to UTM: Zones, Hemispheres and Accuracy — Practical steps, examples, common mistakes and FAQs on Toolnoza.House Demolition Cost: Estimate a Budget per Square Foot or m²Learn how to estimate the cost to demolish a house, separate debris and foundation costs, add contingency and compare contractor quotes.Slope Percentage Calculator: Formula, Rise, Run and DegreesCalculate grade percentage and angle from vertical rise and horizontal run, with a worked example and the difference from roof pitch notation.Board Foot Calculator: How to Measure Lumber VolumeCalculate board feet from thickness, width, length and quantity, convert the result to cubic inches and avoid nominal-size errors.Rebar Weight Calculator: Formula by Bar Diameter and LengthEstimate reinforcing-bar mass from diameter, length and quantity using steel density, with an example and practical ordering limits.Concrete Block Fill Calculator: Estimate Grout for Block CoresEstimate grout volume from the number of blocks, manufacturer core-fill volume and a waste allowance, with a worked example.