California Tax Service, Inc.

Calculators

Below you will find a variety of informative calculators to assist you in your financial plans.

Children's Education Savings
Enter the appropriate information to determine how much you need to save for your children’s college expenses.

Mortgage Calculator
Enter the loan amount, years of payments, and annual interest rate for the mortgage to view the total interest and total payment. You can also select a prepayment schedule and enter a prepayment amount to see the effect it has on the mortgage.

Retirement Income Planner
Enter the appropriate information in the fields below to calculate your total investment at retirement, the age at which your retirement savings will be depleted, and your income from investment during retirement.

Investment Needed to Achieve Goal Calculator
Enter your Investment goal, Initial investment, Monthly investment, Comparison monthly investment, Annual rate of return and Years of investments to view the monthly investment needed to reach your investment goal.

Social Security Calculator
This calculator uses fields from the Social Security Administration's Social Security Quick Calculator; amounts are calculated directly from the SSA website. Enter your date of birth and your earnings in the current year. Or, if you are retired, enter the last year in which you had covered earnings and the amount of those earnings. If you are not yet retired but know the date on which you plan to retire, enter the month and year of retirement. Then, click the appropriate option to view the benefit estimate in today's dollars or inflated dollars.