Calculators & Logs

Mortgage calculator

Calculate your monthly, fortnightly, or weekly mortgage payments based on loan amount, interest rate, and repayment period. Gain insights into total interest paid and the overall cost of your mortgage.

Mortgage Amount $

Mortgage Period

years months

Interest Rate %

Repayment Frequency

Monthly

Fortnightly

Weekly

Monthly
Fortnightly
Weekly

Payments

$ 479

Total Cost of Mortgage

$ 172,493

Total Interest Paid

$ 72,493

Car Loan

Determine your monthly car loan payment, factoring in vehicle value, initial deposit, and interest rate. Get a clear view of financing costs and repayment details.

Vehicle Value: $

Months:

Initial Deposit: The initial payment made when you are buying your car.

$

Interest Rate (%):

15%

0 10 20 30

Monthly Payment:

$ 147.62

Formula: Monthly payment = r + r / ( (1+r) ^ n -1) x Present Value
r - rate per month n - number of months

Return on Investment

Calculate your investment return percentage and gain, comparing the initial amount invested to the final return to see how profitable your investment is.

Amount Invested $

Amount Returned $

ROI

50.00%

Investment Gain

$ 5000.00

Compound Interest

Find out how your investment grows over time with compounded interest. Enter the investment amount, duration, and interest rate to understand future gains.

Initial Investment Amount: $

Number of months the money is invested:

Annual Interest Rate (%):

10%

0 5 10 15 20

Total Compounded Interest:

$ 25.29

The future value of the investment:

$ 1025.29

Formula: Compounded Interest = Initial Investment (1+ r) ^ n - Initial Investment
Future Value of Investment = Initial Investment (1+ r) ^ n
r - rate per period n - number of periods

Future Value

Estimate the future value of your investments by calculating compound interest over a specific period. See how your investments grow with detailed projections.

Initial Investment Amount: $

Number of months the money is invested:

Annual Interest Rate (%):

10%

0 5 10 15 20

The future value of the investment:

$ 1025.29

Note that this formula gives you the future value of an investment or loan, which is compound interest plus the principal.

Formula: Future Value of Investment = Initial Investment (1+ r) ^ n
r - rate per period n - number of periods

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