Construction Calculators

ArrayKit's construction calculators help you estimate materials and quantities for home and building projects — how much concrete, gravel or mulch you need by volume, the square footage of a room, roofing and tile counts, stair dimensions and the BTU capacity for heating or cooling a space. Each calculator runs entirely in your browser, so your measurements stay on your device and nothing is uploaded. They give quick planning estimates using standard formulas — always add a waste allowance and confirm quantities with your supplier or contractor before you order.

• Calculadora de Concreto — Estime o volume e os sacos de concreto para lajes, sapatas e pilares.
• Calculadora de BTU — Estime a capacidade BTU para aquecer ou resfriar um cômodo.
• Calculadora de Metragem Quadrada — Calcule a área em pés ou metros quadrados com custo opcional.
• Calculadora de Escadas — Calcule degraus, espelho, piso e cortante de uma escada.
• Calculadora de Telhado — Estime área, quadros e pacotes de telhas pela base e inclinação.
• Calculadora de Piso e Azulejo — Calcule quantos azulejos e caixas você precisa para seu projeto.
• Calculadora de Mulch — Estime jardas cúbicas e sacos de mulch para seu canteiro.
• Calculadora de Brita — Estime jardas cúbicas, pés cúbicos e toneladas de brita para uma área e profundidade.

Perguntas frequentes

Do I need to install anything to use these construction calculators?

No. Every construction calculator on ArrayKit runs directly in your browser, so there is nothing to install and the measurements you enter are processed locally on your device.

Should I add extra material to the construction calculator estimates?

Yes. These calculators give a baseline quantity; add a waste allowance (commonly 5–15% depending on the material and cuts) and round up, then confirm with your supplier before ordering.

Do the construction calculators upload my measurements?

No. All of the math happens in your browser, so the dimensions you type never leave your device or get uploaded to ArrayKit.

Which construction calculators does ArrayKit offer?

The category covers concrete, gravel and mulch by volume, square footage, roofing, tile and stair calculators, plus a BTU calculator for sizing heating and cooling.