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Calculators

CENTURY 21 Mertz & Associates February 24, 2026

Real Estate Loan Calculators

Bi-weekly Mortgage Calculation How much would your loan cost if you made payments every two weeks? Calculate
 
Canadian Mortgage Payment Table Canadian mortgage calculator based on Canadian mortgage calculations. Calculate
 
How Much House Can You Afford? You supply your income information and we calculate how much you can afford. Calculate
 
Mortgage Calculator Find out how much that new home will cost! Calculate
 
Mortgage Payment Table Calculator See how much a home loan will cost with varying interest rates and payments on the same chart! Calculate
 
Mortgage Qualification Calculator See what lenders expect your minimum annual income to be in order to afford your next home. Calculate
 
Prepayment Mortgage Reduction This form allows you to see how prepaying your mortgage reduces the length of your mortgage by putting in the current values for your loan. Calculate
 

Auto Calculators

Car Lease Calculator How much will your payments be if you lease your next car? Calculate
 

Schooling Calculators

Tuition Savings Calculator See how much you need to contribute each year in order to put your children through college. Calculate
 

Financial Planning Calculators

APR/Front End Cost Calculator Calculates the upfront costs of the loan. Calculate
 
APR/Front End Cost Calculator You give the upfront costs and it finds the actual Annual Percentage Rate. Calculate
 
Compound Interest Rate Calculation This calculator simply takes the final amount you want to earn given an initial investment for a duration of time, and finds the required annual yield you would need to achieve that goal. Calculate
 
Deferred Payment Calculator What will your monthly payment be if you defer a loan? Calculate
 
Future Value/Annuity Calculation How much money do you need to save now to have what you want when you retire? Calculate
 
How Long Will It Last? - Loan Calculator Here is a new twist on the mortgage calculator. Here you tell how much you want to spend each month, an interest rate and a loan amount, and the computer tells you how long it will take you to pay it off! Calculate
 
How Much to Retire Here is a new simple retirement calculator. It tells how much you will need to provide a certain income for a set number of years. Calculate
 
Loan Payment Calculator Enter the values and we will tell you the payment. The loan can be a mortgage, car loan, or any other simple interest amortization over a fixed time with fixed monthly payments. Calculate
 
Nominal and Effective Interest Rates Calculate what rates are necessary to achieve a desired future value amount given a present value amount and the time period over which to compound your investment. Calculate
 
Prepayment vs. Investment — A Scenario This form allows you to compare what would happen if you took one of two choices with some extra cash you have — prepaying your mortgage each month, or investing it instead. Calculate
 
Savings Calculator This doesn't deal with inflation, taxes or any of that complicated stuff. This is just a simple calculator that lets you start with an amount of money and make regular monthly deposits, and see how much it grows. Calculate
 
Rent vs. Own Determine whether it is financially better to purchase a home or rent. Calculate
 

Bi-weekly Mortgage Calculation

Change the below fields as desired: Principal Loan Balance: Annual Interest Rate (%): Amorization Length (years): Calculate
 

Canadian Mortgage Payment Calculator

This assumes semi-annual compounding:
 
  • Enter your Loan Amount Monthly Payment
  • Your Interest Rate (%)
  • Length of Mortgage (years)
  • Calculate
How much house can you afford?
 
  • Annual Income: Monthly
  • Debt (Car payments, credit cards, student loan payment etc.)
  • Cash in hand for down payment
  • Property tax rate (1% = $1000/yr for 100K house)
  • Home Insurance rate (0.5% = $500/yr for 100K house)
  • Interest Rate (%)
  • Length of Loan (years)
  • Calculate

Mortgage Calculator

Change the below fields as desired:
 
  • Principal Loan Balance
  • Annual Interest Rate (%)
  • Amorization Length (years)
  • Start Date: Month: Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec
  • Year
  • Show full amortization table? No | Yes 
  • Pre-payment method: None : No
  • Prepayments Monthly : Pre-pay a set amount each month Annually
  • Pre-pay a set amount once each year Bi-weekly : 26 half paymts/yr - 2 half pre-paymts each 6 months
  • Bi-weekly : 26 half paymts/yr - 1 full pre-paymt each 12 months
  • One Time : Pre-pay one set amount after a given # of months Monthly/Annually/One-Time
  • Principal Prepayment Amount: One-Time Prepayment to be paid after payment (month #)
  • Calculate

Principal & Interest Table Calculator

Enter the values to see a table of monthly payments:
 
  • Value 
  • Minimum 
  • Maximum 
  • Principal
  • Interest
  • Number of years
  • Calculate

Mortgage Qualification Calculator

Enter the values below. The calculator will show what kind of income lenders will expect you to be making to qualify for the specific values. Property tax and home insurance numbers vary greatly by region and construction type.
 
  • Monthly mortgage principal + interest
  • Enter expected annual property tax
  • Enter expected annual home insurance
  • Enter expected monthly debt payments (car & student loans, credit cards, etc.)
  • Sale price of home
  • Down Payment
  • Calculate

Prepayment Mortgage Reduction

This form allows you to see how prepaying your mortgage reduces the length of your mortgage by putting in the current values for your loan:
 
  • Current Principal Balance
  • Current Prin+Int Monthly Payment
  • Current Annual interest Rate
  • Additional Monthly Pre-Payment Amount: (Or enter "B" for biweekly)
  • Increase Monthly Payment each year by (%)
  • Calculate

Car Lease Calculator

How much does it cost to lease?
 
  • Enter the MSRP
  • Final Negotiated Price
  • Down payment
  • Usage Tax (Sales Tax) (%)
  • Length of Lease (months): 24 30 36 42 48 60
  • New Car Lending Rate (%)
  • Car Value at End of Loan
  • Calculate

Tuition Savings Calculator

Change the below fields as desired (Use 99 for children you don't plan on having):
 
  • Current Tuition Price
  • Tuition Inflation (%)
  • Investment Return (%)
  • Years Until First Child Starts College
  • Years Until Second Child Starts College
  • Years Until Third Child Starts College
  • Years Until Fourth Child Starts College
  • Current Savings
  • Annual Contribution to Savings
  • Contribution Inflation (%)
  • Marginal Tax Rate (%)
  • Calculate

Front End Cost Calculator

How much does that loan REALLY Cost?
 
  • Enter the Loan Amount
  • The Quoted Interest Rate (%)
  • The Quoted APR (%)
  • Length of Loan (years)
  • Calculate

APR Calculator

How much does that loan REALLY Cost?
 
  • Enter the Loan Amount
  • The Quoted Interest Rate (%)
  • Points (%)
  • Other Closing Costs to Include
  • Length of Loan (years)
  • Calculate

Compound Interest Rate Calculator

This calculator simply takes the final amount you want to earn given an initialinvestment for a duration of time, and finds the required annual yield you would need to achieve that goal.
 
  • Starting Value of Investment
  • Final Value of Investment
  • Input Total Duration in Years
  • Calculate

Defered Payment Calculator

Change the below fields as desired: 
 
  • Defer For: 90 Days | 60 Days | 0 Days 
  • Interest Rate (%)
  • Principal
  • Term (months)
  • Calculate

Future Value/Annuity Calculator

Change the below fields as desired:
 
  • Beginning Balance of Account
  • Monthly Contribution
  • Years Until Retirement
  • Estimated Annual Yield
  • Estimated Annual Inflation (%)
  • Estimated Annual Contribution Increase
  • Desired Future Monthly Withdrawal Amount (current dollars)
  • Calculate

How Long will it Last?

Here is a new twist on the mortgage calcuator. Here you tell how much you want to spend each month, an interest rate and a loan amount, and find out how long it will take you to pay it off.
 
  • Beginning Loan Balance
  • Minimum Monthly Payment
  • Maximum Monthly Payment
  • Annual Interest Rate (%)
  • Calculate

How Much to Retire?

Here is a new simple retirement calculator. It tells how much you will need to provide a certain income for a set number of years.
 
  • Annual Income Required (today's dollars)
  • Number of years until retirement:
  • Number of years required after retirement
  • Annual Inflation
  • Annual Yield on Balance (%)
  • Calculate

Simple Loan Payment Calculator

Enter the values to find out the payment. The loan can be a mortgage, car loan, or any other simple interest amortization over a fixed time with fixed monthly payments:
 
  • Principal
  • Interest Rate (%)
  • Number of Years
  • Calculate

Nominal and Effective Interest Rates

Calculate what rates are necessary to achieve a desired future value amount given a present value amount and the time period over which to compound your investment:
 
  • Future Value
  • Present Value
  • Total Years
  • Compound Periods Per Year
  • Calculate

Prepayment vs. Investment — A Scenario

This form allows you to compare what would happen if you took one of two choices with some extra cash you have — prepaying your mortgage each month, or investing it instead. This tries to take into account your tax situation and assumes you always itemize (even late into your mortgage when your interest will be lower — I am assuming you give to charities, and pay state and local taxes too!)
 
  • How much more you have to spend each month
  • Current monthly payment (principal & interest only)
  • Current Annual Loan Interest Rate
  • Current Loan Balance
  • Loan Interest Deductibility: Yes | No
  • Expected Long Term Investment Return (%)
    • Under Mattress (0.0 %)
    • Checking Account (2.0 %)
    • Money Market (4.5 %)
    • CD's (6.0 %)
    • Long Term Bonds (7.0 %)
    • Conservative Stocks (8.0 %)
    • Moderate Stocks (9.0 %)
    • Aggressive Stocks (10.0 %)
  • Expected Long Term Tax Rate (%) (Federal + State)
  • Investment Type: After-Tax | Tax Deferred
  • Calculate

Simple Savings Calculator

This doesn't deal with inflation, taxes or any of that complicated stuff. This is just a simple calculator that lets you start with an amount of money and make regular monthly deposits, and see how much it grows.
 
  • Initial Amount
  • Monthly Deposit
  • Annual Interest %
    • Compounding Frequency: (Monthly | Quarterly | Semiannually | Annually)
  • Number of Years
  • Calculate

Rent vs. Buy Calculator

Rental Information

  • Monthly Rent: $0 to $4,000
  • Monthly Renter's Insurance: $0 to $500
  • Annual Rent Increase: 0% to 10%

Property Information

  • Property Price: $0 to $700k
  • Monthly Taxes: $0 to $1,000
  • Monthly Home Insurance: $0 to $1,000
  • Monthly Maintenance: $0 to $1,000
  • Home Value Appreciation: 0% to 10%
  • Selling Costs: 0% to 30%

Loan Information

  • Down Payment: 0% to 100%
  • Interest Rate: 0% to 10%
  • Loan Term: 10, 15, or 30 Years

Work With Us

Connect with CENTURY 21 Mertz & Associates today to explore homes, investment opportunities, and expert guidance in Danville and Lewisburg. Let our local team help you achieve your real estate goals.