KCalc.Free Online Calculators
Quick, mobile-friendly tools for construction, finance, math, and everyday planning.
Concrete & Foundations
- Concrete Volume CalculatorConcrete & FoundationsEstimate concrete volume from length, width, thickness.
- Concrete Bag CalculatorConcrete & FoundationsFind bags needed from volume and bag yield.
- Cement CalculatorConcrete & FoundationsConvert volume and density into cement weight.
- Slab CalculatorConcrete & FoundationsCompute slab volume for concrete orders.
- Footing CalculatorConcrete & FoundationsEstimate footing volume for foundations.
Masonry & Walls
- Brick CalculatorMasonry & WallsEstimate bricks needed for a wall area.
- Wall Area CalculatorMasonry & WallsCalculate total wall area from room dimensions.
- Plaster CalculatorMasonry & WallsEstimate plaster weight from area and thickness.
- Drywall CalculatorMasonry & WallsFind drywall sheets needed for a wall area.
Flooring & Finishes
- Tile CalculatorFlooring & FinishesEstimate tiles needed from floor and tile size.
- Floor Area CalculatorFlooring & FinishesCompute floor area from length and width.
- Paint CalculatorFlooring & FinishesCalculate paint needed based on area and coverage.
- Paint Cost CalculatorFlooring & FinishesEstimate paint cost with coverage and waste.