Redmoon Converters 计算任意地面或墙面所需的瓷砖或箱数，并考虑铺贴图案损耗率（直铺、斜铺、人字铺）和填缝间隙面积。
| 指标 | 数值 |
|---|
瓷砖覆盖计算： 有效瓷砖尺寸 = （瓷砖长 + 间隙）×（瓷砖宽 + 间隙）。所需瓷砖数 = 向上取整（面积 / 有效尺寸）。
铺贴损耗： 直铺 10%、错缝/砖形 12%、斜铺 15%、人字形 20%——边角裁切和旋转铺贴会产生更多无法使用的边角料，因此需要额外购买瓷砖。
填缝面积： 总面积减去（瓷砖数 × 瓷砖长 × 瓷砖宽）——用于估算填缝剂用量。
箱数： 向上取整（瓷砖数 / 每箱片数），以整箱购买。
Concrete Volume & Bags Calculator
Cubic yards / metres of concrete needed for slabs, footings, columns and posts, plus bags-of-mix conversion.
Paint Coverage Calculator (Litres / Gallons)
Litres or gallons of paint needed by wall area, coats, primer and surface texture coverage.
Lumber Board Feet & Cost Calculator
Calculate board feet, linear feet and total cost for hardwood and softwood lumber.
BTU & HVAC Sizing Calculator
BTUs needed to heat or cool a room from area, ceiling height, insulation, climate and sun exposure.
MIG Welding Settings Calculator (Amps, Volts, Wire Speed)
Recommended MIG welding voltage, amperage and wire feed speed by metal thickness, wire diameter and material.
Landscaping Material Calculator (Gravel, Mulch, Soil, Sand)
Cubic yards, weight, bags and cost of gravel, mulch, topsoil or sand needed for any area and depth.