Educational Hub & Reference

Financial Guides & Formulas

Understand the mathematical models behind loan amortization, periodic payments, and compound growth.

Formulas & Math

What is PMT in Financial Calculations?

Learn how lenders calculate fixed monthly payments with the PMT annuity formula.

Borrowing

See how each payment splits into interest and principal over the life of a loan.

Investing & Growth

Compare simple interest with the accelerating power of compounding over time.

Auto Loans

Learn how vehicle purchase price, trade-in credit, state sales taxes, and down payments determine total loan costs.

Mortgage

Disentangle pure mortgage principal and interest from recurring escrow expenses like property taxes and homeowners insurance.

Savings Planning

Learn how to solve for the exact periodic deposit needed to reach a target milestone accounting for compound interest.

Put these formulas into practice with instant, client-side financial tools.

Determine principal, interest payments, and payoff timelines for personal or business loans.

Calculate credit card and debt payoff timelines, see interest saved with extra payments, and view your schedule.

Estimate monthly auto payments, interest costs, and loan amortization schedules.

Calculate total mortgage costs, down payment scenarios, and monthly repayment obligations.

Compare the total modeled net cost of purchasing a home versus renting over custom time horizons.

Project long-term investment growth and compound returns over customizable time horizons.

Plan recurring contributions and calculate the timeline needed to reach your savings goals.

Project 401(k) and retirement savings balance with compound returns, employer matching, and annual escalations.