Shingle Roof Material & Cost Calculator Roof Length (feet): Roof Width (feet): Roof Pitch Rise (e.g., 6 for 6/12): Roof Pitch Run (e.g., 12 for 6/12): Waste Factor (%): Shingle Bundles per Square: Cost per Shingle Bundle ($): Underlayment Coverage…

Sonotube Concrete Volume Calculator Use this calculator to determine the amount of concrete needed for your Sonotube forms. Sonotubes are cylindrical cardboard forms used to create concrete columns, piers, or footings. Accurate calculation helps prevent over-ordering or under-ordering concrete, saving…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Simple IRA Retirement Projection Calculator Use this calculator to estimate the potential growth of your Simple IRA account over time, considering your contributions, employer contributions, and investment returns. Current Age (years): Desired Retirement Age (years): Current Simple IRA Balance ($):…

Linear Equation Simplifier Use this calculator to simplify and solve linear equations of the form Ax + B = Cx + D for the variable x. Enter the coefficients and constants for your equation below. Coefficient A (for Ax): Constant…

Simple 401(k) Retirement Calculator Current 401(k) Balance ($): Your Annual Contribution ($): Your Annual Salary ($): Employer Match Rate (e.g., 0.50 for 50%): Employer Match Cap (as % of Salary, e.g., 0.06 for 6%): Expected Annual Growth Rate (e.g., 0.07…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Slope Calculation Calculator X-coordinate of Point 1 (x₁): Y-coordinate of Point 1 (y₁): X-coordinate of Point 2 (x₂): Y-coordinate of Point 2 (y₂): Calculate Slope Result: Enter coordinates and click ‘Calculate Slope’. function calculateSlope() { var x1 = parseFloat(document.getElementById(‘x1_coord’).value); var…

Cost of Living Index Comparison Calculator Use this calculator to estimate the equivalent salary needed to maintain your current standard of living when moving from one city to another, based on their respective Cost of Living Indices. Current City Cost…