Rate per Square Foot Calculator

Rate Per Square Foot Calculator

Calculate the cost efficiency of your space or project

Calculation Results

Total Area: 0 sq ft
$0.00 per sq ft

How to Use the Rate Per Square Foot Calculator

Understanding the rate per square foot is essential for real estate investors, homeowners, and contractors. Whether you are comparing rental properties, calculating flooring costs, or estimating a commercial lease, this metric provides a standardized way to compare value across different sizes of spaces.

The Calculation Formula

The math behind this calculator is straightforward but powerful. It involves two primary steps:

  1. Determine Total Area: Multiply the Length of the space by the Width of the space.
    Area = Length (ft) × Width (ft)
  2. Calculate the Rate: Divide the Total Cost by the Total Area.
    Rate per Sq Ft = Total Cost / Total Area

Practical Examples

Example 1: Residential Flooring
You want to install hardwood in a living room that is 20 feet long and 15 feet wide. The total quote for materials and labor is $2,400.
  • Area: 20 × 15 = 300 sq ft
  • Rate: $2,400 / 300 = $8.00 per sq ft
Example 2: Commercial Office Space
An office suite costs $3,500 per month and measures 40 feet by 30 feet.
  • Area: 40 × 30 = 1,200 sq ft
  • Rate: $3,500 / 1,200 = $2.92 per sq ft per month

Why This Metric Matters

By breaking down costs to a per-square-foot basis, you can effectively compare apples to apples. A $500,000 home might seem expensive compared to a $450,000 home, but if the first home is 3,000 sq ft ($166/sq ft) and the second is only 2,000 sq ft ($225/sq ft), the larger home actually offers better value per unit of space.

function calculateSqFtRate() { var cost = document.getElementById("totalCost").value; var length = document.getElementById("dimLength").value; var width = document.getElementById("dimWidth").value; var resultDiv = document.getElementById("sqftResult"); var resArea = document.getElementById("resArea"); var resRate = document.getElementById("resRate"); if (cost === "" || length === "" || width === "" || cost <= 0 || length <= 0 || width <= 0) { alert("Please enter valid positive numbers for all fields."); resultDiv.style.display = "none"; return; } var totalArea = parseFloat(length) * parseFloat(width); var ratePerSqFt = parseFloat(cost) / totalArea; resArea.innerHTML = totalArea.toLocaleString(undefined, {minimumFractionDigits: 0, maximumFractionDigits: 2}); resRate.innerHTML = ratePerSqFt.toLocaleString(undefined, {minimumFractionDigits: 2, maximumFractionDigits: 2}); resultDiv.style.display = "block"; }

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