Home & Construction Calculators

Estimate materials, plan renovations, and calculate construction costs for your projects.

Paint Calculator

Estimate wall area, paintable coverage, and the litres of paint needed from room dimensions, doors, windows, coats, and coverage.

Estimate floor area and the number of tiles needed from room dimensions, tile dimensions, and a waste allowance.

Estimate concrete volume in cubic feet and cubic yards and calculate the number of bags from length, width, depth, and bag coverage.

Estimate flooring area and material quantity from room dimensions, plank or tile size, and waste allowance.

Estimate roof surface area and ordering area from building dimensions, pitch factor, and waste allowance.

Estimate fence panels, posts, rails, and materials from total length, spacing, gates, and waste assumptions.

Estimate insulation material quantity and coverage from area, target R-value, and product coverage assumptions.

Estimate electricity cost from energy use, tariff rate, fixed charges, and billing period assumptions.

Estimate annual solar generation, electricity-bill savings, and simple payback from system size, sun hours, electricity rate, and installation cost.

Compare two electricity plans from usage, variable rate, and fixed charge, then identify the lower modeled cost.

Estimate charging energy and cost from battery size, charge percentage, electricity rate, and charging efficiency.