Loan Prepayment Analyzer - Online Interest Savings Calculator
See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
UD5 Toolkit
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See how making extra payments reduces tenure and saves interest. Visual graph comparing original vs prepaid amortization. Purely local financial tool.
Compute simple interest and final amount given principal, annual rate, and duration. Also reverse-calculates rate or time. Local only.
Project how your savings and investments grow over time with compound interest. Interactive chart and detailed table. Free and anonymous.
Find the CAGR of an investment given start and end values over a time period. Instant growth rate.
Enter number of emitters and their GPH to calculate total water delivered and optimal run time for your plants.
Estimate the total price after adding US state sales tax. Select state, enter amount, and see breakdown. Simple and quick, perfect for shoppers.
Quickly find the final price after a percentage discount. Also works in reverse to find the original price. Handy for budget shoppers.
Enter length or period to find the other. Visual swinging animation. Quick physics reference.
See how extra monthly or lump‑sum payments reduce your mortgage term and total interest. Dynamic chart. All local calculation.
Enter cash flows and discount rate to compute Net Present Value and Internal Rate of Return. Finance 101.
Estimate monthly car loan payments with trade-in, down payment, and sales tax options. Amortization schedule included. Client-side calculation.
Track personal expenses and categorize spending. Interactive charts show where your money goes. All financial data remains in your browser only.
Estimate monthly mortgage payments with amortization schedule. Input loan amount, interest rate, and term. All calculations performed securely on your device.