Tape Roll Length Calculator Estimate the total length of tape remaining on a roll using its outer diameter, inner core diameter, and the tape’s thickness. This is useful for inventory management, project planning, or simply satisfying curiosity! Outer Diameter of…

Tacoma Wheel & Tire Size Calculator Use this calculator to compare your current Tacoma wheel and tire setup with a potential new setup. Understand how changes in tire width, aspect ratio, and wheel diameter will affect your vehicle’s overall tire…

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:…

Table Function Calculator Enter a mathematical function and a range of X values to generate a table of corresponding Y values. Function f(x): Start X Value: End X Value: Step Size: Generate Table Results: function calculateTableFunction() { var functionExpression =…

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Sun & Moon Phase Calculator Enter a date and time to discover the Moon’s phase and the Sun’s zodiac sign for that moment. Year (YYYY): Month (MM): Day (DD): Hour (HH, 24-hour UTC): Minute (MM UTC): Calculate Understanding the Sun…

T-Shirt Pricing Calculator Cost of Blank T-Shirt ($): Printing Cost per Unit ($): Total Design Cost (one-time $): Units to Amortize Design Over: Packaging Cost per Unit ($): Shipping Cost per Unit (to customer $): Marketing Cost per Unit ($):…

T-Bills Yield Calculator Face Value ($): Purchase Price ($): Days to Maturity: Calculate Yields function calculateTBills() { var faceValue = parseFloat(document.getElementById(‘faceValue’).value); var purchasePrice = parseFloat(document.getElementById(‘purchasePrice’).value); var daysToMaturity = parseInt(document.getElementById(‘daysToMaturity’).value); var resultDiv = document.getElementById(‘tBillsResult’); if (isNaN(faceValue) || isNaN(purchasePrice) || isNaN(daysToMaturity) ||…

System of Linear Equations Calculator (2×2) Enter the coefficients and constants for your two linear equations in the form: a₁x + b₁y = c₁ a₂x + b₂y = c₂ Coefficient of x (Equation 1, a₁): Coefficient of y (Equation 1,…

Golf Swing Speed Calculator Ball Speed (mph): Smash Factor (e.g., 1.48 for driver): Calculate Swing Speed Estimated Swing Speed: Enter your ball speed and smash factor above to calculate your estimated clubhead speed. function calculateSwingSpeed() { var ballSpeed = parseFloat(document.getElementById(“ballSpeed”).value);…