Calculate2Build
Professional Engineering & Estimation Suite
Area Calculator
Calculate precise room and surface area dimensions for rectangles, circles, and triangles.
Volume Calculator
Compute 3D structural, room, and material volumes.
Length Converter
Convert measurements between common units.
Unit Converter
Convert common construction measurements across multiple categories.
Slope Calculator
Calculate slope from rise and horizontal distance.
Gradient Calculator
Calculate gradient as a ratio, percentage or angle.
Percentage Calculator
Calculate percentages quickly for construction estimates.
Wall Area Calculator
Calculate the net surface area of a wall deducting openings.
Floor Area Calculator
Calculate the floor area of a room or space.
Ceiling Area Calculator
Calculate ceiling area and planning quantity with waste.
Opening Area Calculator
Calculate the total area of doors and windows.
Room Measurement Calculator
Calculate area and volume of multiple rooms to build a comprehensive space plan.
Concrete Volume Calculator
Calculate structural volume and waste allowances for general elements.
Slab Concrete Calculator
Calculate concrete volume and planning quantity required for a slab.
Beam Concrete Calculator
Calculate concrete volume for rectangular beam networks.
Column Concrete Calculator
Calculate concrete required for rectangular or circular columns.
Footing Concrete Calculator
Calculate pad and strip footing volumes.
Staircase Concrete Calculator
Estimate concrete volume for stair flights, waist slabs, and landings.
Ramp Concrete Calculator
Calculate concrete volume for tapered access ramps.
Blinding Concrete Calculator
Calculate lean concrete required for foundation blinding layers.
Concrete Mix Quantity Calculator
Estimate cement bags, sand, and aggregate volumes from mix proportions.
Block Quantity Calculator
Estimate exact block counts for walls based on dimensions and openings.
Brick Quantity Calculator
Estimate facing brick quantities and net wall surface areas.
Block Mortar Calculator
Estimate mortar volumes and cement requirements for blockwork.
Masonry Cost Calculator
Calculate complete material and labor cost estimates for masonry execution.
Concrete Material Cost Calculator
Calculate total cost of cement, sand, and coarse aggregates for concrete volume.
Cement Quantity Calculator
Estimate 50kg cement bag requirements based on structural volume and mix ratio.
Sand Quantity Calculator
Estimate fine aggregate (sand) volume requirements with waste allowances.
Aggregate Quantity Calculator
Estimate coarse aggregate (granite/stone) volume requirements for structural concrete.
Mortar Quantity Calculator
Estimate jointing mortar volume, cement bags, and sand ratios for wall masonry.
Grout Quantity Calculator
Estimate fine concrete or fluid grout volume required for block core filling and cavities.
Masonry Estimate Calculator
Calculate master masonry estimates combining unit area rates for materials and labor.
Cement Bag Calculator
Determine 50kg bag requirements per concrete mix proportions.
Excavation Volume Calculator
Calculate cut and fill soil volume with bulking swell factors.
Trench Excavation Calculator
Calculate strip footing and utility trench excavation quantities.
Backfill Quantity Calculator
Estimate backfill fill requirements deducting subgrade structures.
Soil Volume Calculator
Calculate soil volume for stockpiles, fill areas, and grading.
Hardcore Quantity Calculator
Calculate stone hardcore bed volumes and planning quantities.
Fill Material Quantity Calculator
Estimate fill material volume and planning quantities required to level terrain.
Soil Removal Calculator
Estimate surplus excavated soil haulage volumes and required truck loads.
Rammed Earth Wall Calculator
Calculate rammed earth wall volumes deducting door and window openings.
Rammed Earth Material Quantity
Estimate loose uncompacted raw materials required to achieve specified wall volumes.
Rammed Earth Mix Calculator
Calculate component quantities from specified percentage mix proportions and stabilizer density.
Stabilizer Quantity Calculator
Calculate stabilizer mass and bagged packaging quantities from dry earth mass.
Moisture Content Calculator
Calculate soil moisture percentages from wet and dry sample laboratory mass measurements.
Soil Density Calculator
Calculate bulk density and dry density from soil mass, sample volume, and moisture content.
Compaction Effort Calculator
Calculate percentage relative compaction against maximum laboratory proctor dry density.
Earthwork Cost Estimator Calculator
Estimate comprehensive excavation, hauling, and compaction costs for site preparation.
Site Grading Calculator
Calculate cut and fill soil balances factoring in soil shrinkage and swell allowances.
Slope Stability Calculator
Calculate embankment slope ratios, gradient angles, and geometric stability parameters.
Rammed Earth General Calculator
Compute soil, stabilizer, and moisture proportions.
Roof Area Calculator
Calculate actual surface areas, slope lengths, and planning quantities with overhangs.
Roof Pitch Calculator
Calculate roof pitch angles, percentage slopes, and gradient ratios from rise and run.
Roof Rise Calculator
Calculate vertical roof rise height from horizontal span/run and pitch angle.
Rafter Length Calculator
Calculate geometric rafter lengths including eaves extensions and overhangs.
Roof Perimeter Calculator
Calculate eaves lengths and gable edges for gutters, fascia, and flashing planning.
Roofing Sheet Calculator
Calculate roofing sheet quantity requirements using effective cover width and waste.
Roof Tile Quantity Calculator
Calculate clay or concrete roof tile requirements per square meter.
Ridge Cap Calculator
Calculate ridge and hip cap lengths required for roof junctions.
Hip & Valley Calculator
Calculate hip rafter and valley flashing lengths.
Roof Underlayment Calculator
Calculate roofing felt and vapor barrier roll requirements with overlap waste.
Roofing Battens Calculator
Calculate timber batten or purlin linear meter requirements.
Roofing Fasteners Calculator
Estimate roofing screws, nails, and washers required for sheet and tile fixing.
Roof Flashing Calculator
Calculate metal flashing strip requirements for parapets and chimneys.
Roof Gutters Calculator
Calculate gutter lengths and bracket quantities for roof drainage.
Roof Downpipes Calculator
Calculate downpipe vertical lengths and shoe fittings.
Roofing Cost Calculator
Calculate complete roofing material and installation costs.
Roofing Material Cost Calculator
Calculate total material cost for timber, sheets, and fasteners.
Roofing Labour Cost Calculator
Estimate labor costs for roof framing and sheet installation.
Complete Roofing Estimate Calculator
Master estimator combining framing, covering, and drainage.
Roofing General Calculator
Compute roof areas and sheet counts.
Gutter Calculator
Estimate gutter and downpipe lengths.
Paint Area Calculator
Calculate wall and ceiling paint surface areas.
Plaster Area Calculator
Calculate wall and ceiling plastering surface areas.
Screed Area Calculator
Calculate floor screeding areas.
Tile Area Calculator
Calculate floor and wall tiling areas with waste.
Wallpaper Area Calculator
Calculate wall surface areas for wallpapering.
Paint Quantity Calculator
Calculate paint liters and gallon cans required for coats.
Primer Quantity Calculator
Calculate primer requirements for surface preparation.
Paint Cost Calculator
Calculate total paint and painting material costs.
Complete Painting Estimate
Master painting estimator combining primer, paint, and labor.
Plaster Material Quantity Calculator
Calculate cement and sand quantities for plastering.
Plaster Cost Calculator
Calculate material and labor costs for plastering.
Floor Screed Quantity Calculator
Calculate cement and sand for floor screed beds.
Screed Cost Calculator
Calculate screeding execution costs.
Floor Tile Quantity Calculator
Calculate floor tile box requirements with waste.
Wall Tile Quantity Calculator
Calculate wall tile requirements.
Tile Adhesive Quantity Calculator
Calculate tile adhesive bag requirements.
Tile Grout Quantity Calculator
Calculate tile grout bag requirements.
Tile Cost Calculator
Calculate total tiling material and adhesive costs.
Complete Tiling Estimate
Master tiling estimator combining tiles, adhesive, and grout.
Wallpaper Quantity Calculator
Calculate wallpaper roll requirements.
Ceiling Board Quantity Calculator
Calculate plasterboard or PVC ceiling panel counts.
Skirting Quantity Calculator
Calculate skirting board linear meter requirements.
Flooring Quantity Calculator
Calculate laminate or hardwood flooring pack requirements.
Complete Finishes Estimate
Master finishes estimator combining painting, tiling, and ceiling.
Paint General Calculator
Estimate paint volume.
Tile General Calculator
Estimate tile requirements.
Door Area Calculator
Calculate individual door leaf surface areas.
Window Area Calculator
Calculate individual window frame surface areas.
Total Opening Area Calculator
Sum all door and window opening areas.
Opening Schedule Calculator
Schedule multiple doors and windows by size and type.
Wall Area After Openings
Calculate net wall masonry area after deducting all openings.
Door Quantity Calculator
Count and schedule door units by room or floor.
Door Frame Material Calculator
Calculate timber or steel frame material requirements.
Door Leaf Area Calculator
Calculate surface area of door leaves for finishing.
Door Hardware Quantity Calculator
Estimate hinges, locks, handles, and stoppers.
Door Cost Estimate Calculator
Calculate total cost for doors, frames, and hardware.
Window Hardware Calculator
Estimate window handles, locks, and stays.
Window Cost Estimate Calculator
Calculate total cost for window units and installation.
Doors & Windows Schedule
Complete master schedule for all joinery and glazing.
Window Installation Labour
Estimate labor costs for window fixing and sealing.
Complete Doors & Windows Estimate
Master estimator for all openings, frames, and hardware.
Electrical Calculator
General electrical load and circuit calculations.
Appliance Load Calculator
Calculate individual appliance power consumption and current.
Total Connected Load Calculator
Sum total power demand across all connected circuits.
Estimated Demand Load Calculator
Apply diversity factors to calculate realistic peak electrical demand.
Energy Consumption Calculator
Calculate daily and monthly kWh energy usage and costs.
Generator Size Estimator
Determine recommended generator kVA rating for loads.
Solar Inverter Load Estimator
Calculate solar panel array and inverter sizing.
Lighting Point Quantity Calculator
Estimate lighting point counts based on room area.
Lighting Load Calculator
Calculate total lighting wattage and circuit current.
Lighting Cost Calculator
Calculate material and installation cost for lighting fixtures.
Socket Point Quantity Calculator
Estimate power socket outlet counts per room guidelines.
Circuit Load Estimate Calculator
Calculate branch circuit load distributions.
Power Point Cost Calculator
Calculate socket outlet installation costs.
Cable Length Estimator
Estimate electrical wire and cable length requirements.
Conduit Length Estimator
Estimate PVC conduit pipe lengths for wiring protection.
Cable & Conduit Cost Calculator
Calculate total wiring and conduit material costs.
Junction Box Quantity Calculator
Estimate junction boxes and pull boxes required.
Circuit Schedule Calculator
Schedule branch circuits and breaker ratings.
Distribution Board Schedule
Plan DB layout, phases, and breaker distribution.
Breaker Protection Planning
Select appropriate MCB, RCCB, and fuse ratings.
Electrical Material Estimate
Complete electrical material bill of quantities.
Electrical Labour Estimate
Estimate electrical installation labor costs.
Complete Electrical Estimate
Master electrical estimator combining load, wiring, and DBs.
Water Demand Calculator
Calculate total daily water consumption requirements.
Daily Water Consumption
Estimate daily consumption based on occupants and fixtures.
Peak Water Demand Calculator
Calculate peak flow rate using fixture unit values.
Hot Water Demand Calculator
Calculate hot water volume requirements and heater sizing.
Water Storage Tank Size Calculator
Determine recommended overhead and underground storage tank capacities.
Rainwater Tank Size Calculator
Calculate rainwater harvesting storage tank dimensions.
Rainwater Harvesting Calculator
Estimate annual rainwater capture volume from roof catchment.
Pump Planning Calculator
Estimate booster pump head and flow rate requirements.
Pipe Length Estimator
Estimate supply and drainage pipe linear meter requirements.
Pipe Fittings Quantity Calculator
Estimate elbows, tees, couplers, and valves.
Water Pipe Cost Calculator
Calculate total piping material and fittings costs.
Water Tank Cost Calculator
Calculate water storage tank purchase and installation costs.
Fixture Quantity Calculator
Count sanitary fixtures (WC, sinks, showers, taps).
Fixture Cost Calculator
Calculate sanitary ware purchase and installation costs.
Plumbing Fixture Schedule
Complete schedule of all sanitary ware and valves.
Plumbing Material Estimate
Complete plumbing material bill of quantities.
Plumbing Labour Estimate
Estimate plumbing installation labor costs.
Complete Plumbing Estimate
Master plumbing estimator combining storage, piping, and fixtures.
HVAC Calculator
General heating, ventilation, and air conditioning calculations.
Room Cooling Load Calculator
Calculate BTU/hr cooling load for individual rooms.
Heat Gain Estimator
Estimate solar and structural heat gain inputs.
AC Capacity Estimator
Determine air conditioner tonnage (HP/BTU) required.
Multi-Room AC Planner
Plan multi-split or central air conditioning layouts.
AC Installation Cost Calculator
Calculate air conditioner unit and installation costs.
Duct Size Estimator
Calculate rectangular and circular duct dimensions.
Duct Length Calculator
Estimate supply and return duct run lengths.
Duct Surface Area Calculator
Calculate sheet metal surface area for duct fabrication.
Duct Airflow Estimator
Calculate CFM/LPS airflow velocity through ductwork.
Duct Insulation Calculator
Calculate thermal insulation wrap requirements for ducts.
Ductwork Cost Calculator
Calculate sheet metal fabrication and insulation costs.
Room Airflow Calculator
Calculate required room air supply exchange rates.
Ventilation Airflow Calculator
Calculate fresh air ventilation CFM requirements.
Air Changes/Hour Calculator
Calculate ACH room air exchange frequency.
Heating Load Estimator
Calculate space heating BTU requirements.
Refrigeration Capacity Calculator
Calculate refrigeration compressor cooling capacity.
Refrigeration Room Load
Calculate total heat load for cold storage rooms.
Cold Room Volume Calculator
Calculate internal storage volume for cold rooms.
Cold Room Cooling Load
Calculate refrigeration unit cooling capacity for cold rooms.
Refrigerant Pipe Length
Estimate copper line set lengths between indoor and outdoor units.
Cold Room Cost Calculator
Calculate cold room panels, refrigeration unit, and installation costs.
HVAC Equipment Schedule
Complete schedule of all AC units, fans, and diffusers.
HVAC Material Estimate
Complete HVAC material bill of quantities.
HVAC Labour Estimate
Estimate HVAC installation labor costs.
Complete HVAC Estimate
Master HVAC estimator combining cooling loads, ductwork, and equipment.
Project Cost Calculator
Calculate overall construction project costs.
Material Cost Calculator
Calculate total construction material costs.
Labour Cost Calculator
Calculate construction labor wages and man-hour costs.
Transport Cost Calculator
Calculate material haulage and logistics transport costs.
Waste Cost Calculator
Calculate material wastage costs and disposal allowances.
Total Project Cost Calculator
Master project cost estimator combining materials, labor, and overheads.
How Much Should I Charge
Determine professional service and contracting rates.
Selling Price Calculator
Calculate optimal selling price based on cost and markup.
Profit Calculator
Calculate gross and net profit margins on construction contracts.
Markup Calculator
Calculate percentage markups on material and service costs.
Margin Calculator
Calculate gross profit margin percentage from cost and selling price.
Break-Even Calculator
Calculate unit sales required to cover fixed and variable expenses.
Construction Quote Calculator
Assemble comprehensive client construction proposals.
BOQ Calculator
Manage Bill of Quantities items, quantities, and rates.
Unit Rate Calculator
Build composite unit rates combining material, labor, and plant.
Variation Cost Calculator
Calculate net additions and omissions to revise contract sums.
Labour Rate Calculator
Calculate hourly and daily burdened labour rates.
Equipment & Tool Cost Calculator
Calculate daily and annual equipment depreciation & maintenance.
Overhead Calculator
Calculate corporate and site administrative overhead expenditures.
Daily Operating Cost Calculator
Calculate total daily site expenses including labor, equipment, and fuel.
Contractor Profitability Calculator
Evaluate net contract profit margins and financial return.
Material Price Comparison Calculator
Compare quotes between competing material suppliers.
Bulk Purchase Calculator
Calculate tiered volume discounts and bulk material cost savings.
Delivery Cost Calculator
Calculate material haulage, transport, and freight expenses.
Import Cost Calculator
Calculate landed costs including freight, customs duty, and VAT.
Cash Flow Calculator
Track project cash inflows, outflows, and net working capital.
Payment Schedule Calculator
Calculate milestone tranches, advance mobilization, and retention payouts.
Deposit Calculator
Calculate upfront project mobilization deposits and remaining balances.
Retention Calculator
Calculate defect liability retention sums and net payable valuations.
Project Financial Summary Calculator
Master executive financial summary combining revenue, costs, and profit margins.
Ghana Construction Cost Estimator
Roughly estimate residential construction project costs in Ghana.
Ghana Cement Cost Calculator
Calculate cement purchase totals, delivery, and effective bag costs.
Ghana Labour Cost Calculator
Calculate artisan and labourer crew wages tailored for Ghana contractors.
Ghana House Construction Budget
Guided preliminary budgeting tool for residential builds in Ghana.
GHS Material Cost Calculator
Centralized Ghana material pricing and bill of quantities tool.
Nigeria Construction Cost Estimator
Estimate residential construction project costs across Nigerian states.
Nigeria Cement Cost Calculator
Calculate cement purchase totals, delivery, and effective bag rates.
Nigeria Labour Cost Calculator
Calculate artisan, mason, and labourer crew wages tailored for Nigeria.
Nigeria House Construction Budget
Guided preliminary multi-stage budgeting tool for residential builds in Nigeria.
NGN Material Cost Calculator
Centralized Nigerian material pricing engine, price book, and BOQ list tool.