Best Value All-in-One Financial Planning Bundle
✓ Financial Planning✓ Net Worth Tracker✓ Monthly Budgeting✓ Travel Budget Planner✓ Annual Budgeting Planner✓ Monthly Expense Tracker✓ Annual Tax Planner✓ Retirement Planning
View Bundle →

Formula Library

Debt & Loans Formulas

Calculate loan payments, interest costs, and payoff timelines for mortgages, credit cards, and other debt.

Amortization Schedule

advanced

Build a complete loan payment schedule showing principal, interest, and remaining balance for each payment.

=PMT(rate/12, periods, -principal)

Credit Card Minimum Payment

beginner

Calculate how credit card minimum payments are determined and see why paying only the minimum costs so much over time.

=MAX(balance * 0.01 + monthly_interest, 25)

Credit Utilization Rate

beginner

Calculate how much of your available credit you are using - a key factor in credit scoring - with Google Sheets formulas.

=total_balances / total_credit_limits

Debt Avalanche Priority Order

intermediate

Use SORT to rank your debts by interest rate from highest to lowest - the mathematically optimal payoff order.

=SORT(debt_range, rate_column, FALSE)

Debt Payoff Date

beginner

Calculate the exact date when a debt will be fully paid off based on your current payment schedule in Google Sheets.

=EDATE(TODAY(), NPER(rate/12, -payment, balance))

Debt Payoff Timeline

intermediate

Calculate how many months it will take to pay off a debt with fixed monthly payments using a simple spreadsheet formula.

=NPER(rate/12, -payment, balance)

Debt-to-Income Ratio

beginner

Calculate your debt-to-income ratio in Google Sheets - a key metric lenders use and an important financial health indicator.

=total_monthly_debt / gross_monthly_income

Extra Payment Impact

intermediate

Calculate how much time and interest you can save by making extra payments on your debt with spreadsheet formulas.

=NPER(rate/12, -(payment + extra), balance) - NPER(rate/12, -payment, balance)

Interest Saved by Extra Payment

intermediate

Calculate exactly how much interest you save by adding extra to your monthly debt payment using Google Sheets formulas.

=(payment * NPER(rate/12, -payment, balance) - balance) - ((payment+extra) * NPER(rate/12, -(payment+extra), balance) - balance)

Monthly Loan Payment (PMT)

beginner

Calculate the monthly payment required to pay off a loan with a fixed interest rate over a set number of periods.

=PMT(rate/12, periods, -principal)

Total Interest Paid

beginner

Calculate the total amount of interest paid over the life of a loan using Google Sheets with practical examples.

=(PMT(rate/12, periods, -principal) * periods) - principal