HOUSEHOLD & CONSTRUCTION
Home, Solar & Construction Tools
Estimate building materials with precision, calculate renovation costs, size solar battery backups, and plan household budgets accurately.
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Appliance Energy Cost Calculator
Estimate the electricity cost of running an appliance for a chosen number of hours.
Appliance Replacement Fund Calculator
Estimate the monthly amount to save for replacing an appliance by a target date.
Bakery Batch Cost Calculator
Calculate the cost per item produced in a bakery batch.
Battery Capacity Calculator
Estimate battery watt-hours needed for a chosen load and backup duration.
Block Count Calculator
Estimate the number of blocks needed for a wall from wall area and block face area.
Block Wall Area Calculator
Calculate wall area from wall length and height.
Brick Count Calculator
Estimate bricks needed from wall area and brick face area.
Brick Quantity Calculator
Estimate brick quantity from wall area and brick coverage.
Carpet Area Calculator
Calculate floor area and estimate carpet required after adding a cutting allowance.
Catering Cost Per Guest Calculator
Calculate catering cost per guest including overhead.
Catering Margin Calculator
Calculate catering profit margin from revenue and cost.
Catering Profit Calculator
Calculate profit from a catering contract.
Cement Bag Quantity Calculator
Estimate cement bags needed from concrete or mortar material weight.
Childcare Monthly Cost Calculator
Estimate monthly childcare spending from fees, transport and extra care costs.
Concrete Cost Per Cubic Metre Calculator
Calculate average concrete cost per cubic metre.
Concrete Material Estimator
Estimate cement, sand and aggregate quantities from concrete volume using user-supplied factors.
Concrete Volume Calculator
Calculate concrete volume from length, width and depth.
Construction Labour Cost Calculator
Estimate construction labour cost from workers, days and daily rate.
Construction Material Budget Calculator
Estimate a material budget from quantity and unit price.
Construction Material Cost Per Unit Calculator
Calculate average construction material cost per unit purchased.
Construction Material Waste Cost Calculator
Estimate the value of material lost to construction waste.
Construction Wastage Calculator
Add a wastage allowance to a base quantity of construction material.
Daily Transport Budget Calculator
Estimate daily and monthly transport spending.
Electricity Cost Estimator
Estimate electricity cost from appliance wattage, usage and a price per kWh.
Event Budget Calculator
Estimate an event budget from guest count and major per-person and fixed costs.
Farm Input Budget Calculator
Combine land preparation, seed, fertilizer and labour costs into a farm input budget.
Floor Screed Calculator
Calculate floor screed volume from floor area and screed thickness.
Floor Screed Quantity Calculator
Estimate screed volume from floor area and thickness.
Floor Tile Quantity Calculator
Estimate the number of floor tiles needed from room area, tile size and waste allowance.
Flooring Waste Calculator
Calculate extra flooring material required for cutting and waste.
Foundation Volume Calculator
Calculate foundation concrete volume from length, width and depth.
Furniture Space Planner
Estimate how much floor area selected furniture occupies in a room.
Greenhouse Space Calculator
Estimate greenhouse floor area from plant count and spacing.
Grocery Budget Calculator
Build a simple monthly grocery budget from weekly food spending and household extras.
Grocery Cost Per Item Calculator
Calculate average cost per item from a grocery total.
Home Affordability Calculator
Estimate a home price ceiling from a planned deposit and a maximum monthly payment.
Home Deposit Calculator
Calculate the deposit amount and remaining balance from a property price and deposit percentage.
Home Maintenance Budget Calculator
Set aside a monthly home-maintenance budget from property value and an annual maintenance rate.
Household Emergency Reserve Calculator
Estimate an emergency cash reserve from essential monthly household expenses and coverage months.
Household Expense Split Calculator
Split shared household expenses by an equal share or proportional income.
Household Net Worth Calculator
Estimate household net worth by subtracting total liabilities from total assets.
Internet Bill Budget Calculator
Plan monthly internet spending from subscription cost, add-ons and expected usage.
Inverter Load Calculator
Add appliance wattages to estimate the total electrical load an inverter must support.
Irrigation Water Requirement Calculator
Estimate irrigation volume from field area and application depth.
Land Area Converter
Convert land area between square metres, hectares, acres and square feet using fixed mathematical conversions.
Loan Repayment Calculator
Estimate monthly loan payments from principal, annual interest and term.
Marketing Budget Allocation Calculator
Allocate a marketing budget by percentage across channels.
Meal Budget Per Day Calculator
Calculate an average daily meal budget from a total food budget.
Monthly Budget Calculator
Plan monthly income across spending categories.
Monthly Energy Usage Calculator
Estimate monthly electricity consumption from appliance wattage, daily hours and quantity.
Monthly Food Budget Calculator
Estimate a household monthly food budget in naira.
Monthly Household Budget Percentage Calculator
Show what percentage of a household budget is allocated to each spending category.
Monthly Rent to Annual Cost Calculator
Convert a monthly rent figure into annual housing cost and show the effect of extra housing charges.
Mortar Volume Calculator
Estimate mortar volume from wall area and mortar thickness.
Mortgage Calculator
Estimate an indicative fixed-rate mortgage payment after subtracting a planned deposit from a property price.
Nigerian PAYE Tax Calculator (2026 Bands)
Calculate Nigerian Personal Income Tax (PAYE) with 2026 progressive tax bands, pension deduction, and rent relief caps. Fast, private client-side calculator.
Paint Coat Calculator
Estimate paint volume from paintable area, coats and coverage.
Paint Quantity Calculator
Estimate litres of paint needed from wall area, coverage and number of coats.
Percentile Rank Calculator
Estimate percentile rank from a value, mean and standard deviation.
Plaster Material Calculator
Estimate plaster volume from surface area and plaster thickness.
Profit Margin Calculator
Calculate profit and profit margin from revenue and total costs.
Project Budget Per Deliverable Calculator
Calculate average budget available for each project deliverable.
Property Deposit Percentage Calculator
Calculate a property deposit as a percentage of purchase price.
Property Loan-to-Value Calculator
Calculate loan-to-value percentage for a property purchase.
Property Price Per Square Metre Calculator
Calculate property price per square metre.
Rent Increase Calculator
Calculate the naira increase and new rent after a percentage rent increase.
Rent Per Square Metre Calculator
Calculate annual rent per square metre.
Rental Yield Calculator
Calculate gross annual rental yield from property price and rent.
Roof Area Calculator
Estimate roof surface area from building footprint and pitch multiplier.
Roof Material Cost Calculator
Estimate roof material cost from roof area and unit price.
Roof Pitch Calculator
Calculate roof pitch as a ratio and percentage from rise and run.
School Transport Budget Calculator
Estimate monthly school transport spending from daily fare and school days.
Solar Battery Runtime Calculator
Estimate battery runtime from battery capacity, usable percentage and appliance load.
Solar Panel Savings Calculator
Estimate simple monthly and annual savings from replacing grid or generator electricity with solar energy.
Solar Panel Sizing Calculator
Estimate total solar PV panel wattage needed from daily energy load (kWh) and local peak sun hours. Transparent calculation formula and sizing guidance.
Student Budget Calculator
Estimate a student
Tile Adhesive Quantity Calculator
Estimate tile adhesive required from tile area and application rate.
Tile Box Calculator
Estimate the number of tile boxes required from area covered per box.
Tile Grout Quantity Calculator
Estimate grout quantity from tiled area and grout rate.
Tile Wastage Calculator
Add a selected wastage percentage to the required tile area.
Wall Paint Area Calculator
Calculate paintable wall area after subtracting doors and windows.
Wall Paint Cost Calculator
Estimate paint cost from wall area, coverage and price per litre.
Warehouse Capacity Calculator
Estimate used warehouse capacity as a percentage of total capacity.
Warehouse Labour Cost Per Order Calculator
Calculate warehouse labour cost per order.
Warehouse Picking Accuracy Calculator
Calculate warehouse picking accuracy.
Warehouse Space Utilization Calculator
Calculate warehouse space utilization percentage.
Water Bill Estimator
Estimate a household water bill from usage, unit price and fixed charges.
Water Need per Hectare Calculator
Estimate irrigation water volume from area and application depth.
Water Tank Farm Storage Calculator
Estimate days of farm water coverage from stored volume and daily use.
Water Tank Refill Calculator
Estimate the volume and approximate cost of filling a water tank from its capacity and current level.
Wedding Budget Calculator
Add major wedding spending categories to estimate a total event budget.