Finance
Interest, loans, savings, and financial arithmetic.
Calculators
Annual Percentage Yield Calculator
Convert a nominal annual rate to an effective annual yield with regular compounding.
Compound Interest Calculator
Estimate future value under a constant interest rate and regular compounding.
Debt-to-Income Ratio Calculator
Calculate the ratio of entered monthly debt payments to gross monthly income.
Inflation Adjustment Calculator
Estimate the future amount needed under a constant assumed inflation rate.
Remaining Loan Balance Calculator
Estimate remaining principal after a number of equal payments on a fixed-rate loan.
Loan Payment Calculator
Estimate equal monthly payments for a fixed-rate amortizing loan.
Mortgage Payment Calculator
Estimate monthly principal and interest for a fixed-rate mortgage.
Recurring Savings Calculator
Estimate savings growth with equal end-of-month deposits and monthly compounding.
Rule of 72 Calculator
Estimate a doubling time using the Rule of 72 approximation.
Savings Goal Calculator
Find the monthly contribution needed to reach a fixed savings goal without assumed returns.
Simple Interest Calculator
Estimate interest when interest is calculated only on the original principal.
Guides & answers
How much do twelve monthly deposits add at zero interest?
With 1,000 initially saved and twelve monthly deposits of 100 at zero interest, the balance is 2,200. This boundary case is a useful check before adding a
Lump-sum savings versus monthly deposits
With 1,000 initially saved and twelve monthly deposits of 100 at zero interest, the balance is 2,200. This boundary case is a useful check before adding a
Estimating savings with monthly deposits
With 1,000 initially saved and twelve monthly deposits of 100 at zero interest, the balance is 2,200. This boundary case is a useful check before adding a
