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The Ultimate Financial Calculator is the most sophisticated, most flexible calculator on financial-calculators.com and I think on the entire internet. If you are someone who needs date accurate results with irregular cash flows (loans, payments, deposits, withdrawals, investments), this is the calculator you should study and use. Questions? Remember, I'm here to help. More below...»

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Series Date Amount # Periods Frequency End Date Series Options cmpFreq specialSeriesType SpecialSeriesStruct
$ : mm/dd/yyyy
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What is Time Value of Money?

Time Value of Money (TVM) is the concept that the value of money itself changes over time. Having a dollar today is worth more than a dollar tomorrow. Solving for present value, future value, amount, interest rate and term are some common time value of money calculations. The above online Ultimate Financial Calculator is capable of performing any of these calculations with regular or irregular amounts on any date for savings or loan cash flows.

Calculator's Features

Solve for any unknown

  • Payment or loan amount
  • Deposit or withdrawal
  • Yields: APR, APY or IRR
  • Balance as of a specific date
  • Date a specific balance is reached *
  • Present value (PV)
  • Future value (FV)
  • Balloon payment amount
  • Payment required to reach a specific balloon
  • Number of payments
  • Interest rates - nominal or effective *
  • Discounted values
  • Remaining balance
  • Deposit required

Any type of calculation method

  • Normal amortization or investment
  • Rule-of-78s
  • Canadian methods
  • US Rule — simple interest
  • Supports 360, 364 and 365 day years
  • Exact day or periodic interest calculations

Scheduled (but adjustable) Payment Frequencies

  • Daily
  • Weekly
  • Bi-weekly
  • Twice monthly (Half-month)
  • Every 4 weeks
  • Monthly
  • Bi-monthly (every two months)
  • Quarterly
  • Every 4 months
  • Semi-annual
  • Annual

 * Feature only available in C-Value! ™,
our cash flow calculator for Windows™

Flexible Reports & Schedules

  • Amortization & investment schedules
  • Schedules with details or totals only *
  • Custom headers and labels *
  • Change fonts, colors *
  • Select a fiscal year end *
  • Reg. Z APR disclosure report *

Handles any type of cash flow

  • Normal
  • Interest only
  • Enter your own payment amount
  • Negative amortization
  • Skipped payments or deposits
  • Fixed principal + interest
  • Percent step amounts
  • Dollar step amounts
  • Balloon payments
  • Extra payments
  • Payments to interest
  • Cash flow amounts set to any random date

Compounding Frequencies

  • Exact day simple
  • Daily compounding
  • Weekly
  • Bi-weekly
  • Twice monthly (Half-month)
  • Every 4 weeks
  • Monthly
  • Bi-monthly (every two months)
  • Quarterly
  • Every 4 months
  • Semi-annual
  • Annual
  • Continuous
  • Change the frequency of compounding during a cash flow
  • No compounding option when rate changes

Financial Calculations Step-by-Step Tutorials

The below tutorials walk you through the steps for setting up the indicated financial calculation. I recommend that you right click on a link and select "Open in New Window" so you can have the calculator handy in this window as you read.

  1. Calculate Payment
    • loan or mortgage periodic payment calculation
    • also an introduction to this calculator
  2. Investment Cash Flow
    • calculating final value
  3. Calculate Income From An Investment
    • How to calculate income you can expect from an investment
  4. Adjustable Rate Mortgage or Loan
    • ARM with interest rate changes on any date you desire
  5. Calculate a Loan's Term
    • How to solve for an unknown number of payments
  6. Calculate Loan Amount
    • How much can I borrow?
  7. Balloon Payment Calculation
    • Calculate the balloon amount
  8. Balloon Loan Calculation
    • Calculate the periodic payment required to result in a specified balloon
  9. Random Extra Principal Payment
    • How to prepay principal on any date
  10. Loan with Series of Extra Principal Payments
    • How to calculate loan or mortgage with extra payments
  11. Construction Loan
    • Generally a short term loan with multiple borrows
  12. Monthly Skipped Payments
    • Loan or mortgage with scheduled skipped payments
  13. Odd Length First Period
    • Interest payment options for initial period
  14. Interest Only Loan
    • Initial series of interest only payments
  15. Biweekly Mortgage Payments
    • Pay 1/2 the monthly payment every other week to reduce the total interest paid
  16. US Rule
    • No interest charged on interest — separate tracking of interest balance
  17. How much do I have to save or invest?
    • State your goal - calculate periodic investment amount needed to reach goal
  18. Paying for College
    • You may have longer than you think
    • Multiple investments with multiple, overlapping withdrawals
    • Demonstrates solving for unknown in complex cash flow
  19. Future Value Calculation
    • How to set up simple or complex cash flows to calculate FV
  20. Present Value Calculation
    • How to discount a simple or complex cash flow to find its PV
  21. Calculate PV of Fixed Principal + Interest Loan
    • Calculate PV of the declining payment amount
    • Demonstrates the cash flow analytics of this calculator
  22. Calculate Rate of Return (ROR) on Annuity
    • How to set up an annualized ROR calculation
  23. Calculate Time It Takes to Reach Investment Goal
    • Set a goal and see how long it takes to reach it
  24. Calculate ROI for X Days
    • Exact day return on investment calculation
  25. Calculate Loan Balance — Loan Payoff Calculation
    • Enter payments for any amount on date made — audit balance due


Feel free to let me know if you have an idea for an additional tutorial.

19 thoughts on “ultimate-financial-calculator

  1. Can you tell me how to combine fixed principal & Interest with the monthly skip.

    on all our loans, the bank allows us to skip August & September paying only interest.

    also, interest may change in year 2 or 3 of a 5 year loan

    • Hi Lori, sure, be happy to do that.

      Let’s just assume you have a loan that matches the way this calculator first loads. If you are trying this before the end of Oct. 2016, the loan date will default to Nov. 1 and the first payment date will default to Dec 1, 2016.

      1. Change the 2nd row, the 1st payment to have 8 periods (8 monthly payments Dec – July ’17). Also set the 2nd row to be a fixed principal series (click on the series options and the options window will open). Leave payment amount set to unknown.

      2. Click in the 3rd row, and the date will default to Aug. 1 2016. Make this for 2 periods and set this row to an Interest Only series.

      3. In the 4th row, the date will default to Oct. 1, 2017, make this for 10 periods and set the series back to Fixed Principal.

      4. Basically repeat this for each of the 5 years. 10 months of fixed principal payment followed by 2 interest only payments.

      Please let me know if you have any questions.

    • None of the web calculators allow a user to save their data. This gives me the opportunity to make a plug. 🙂

      C-Value! works like this financial calculator and as a few additional features such as the ability to save input. Other details and differences are in the feature list above or a the below link. The price is $19.95 (runs on Windows computers only).

      C-Value! at the online store.

      One of the plans I have for this website is to figure out how to allow users to save data and to add a few more features. Those enhanced calculators will be available on a subscription basis.

  2. Outstanding calculator, and well worth the money if you have to do more than one complex (or not so complex) calculation. Who wants to build your own spreadsheet, when this complex tool is available for the price of a simple meal!?

    Glenn Kautt
    MBA, Harvard Business ‘School
    Certified Financial Planner
    IRS Enrolled Agent

  3. I’ve used this calculator before and it’s awesome! I’ve meddled with spreadsheet solutions for irregular cash flows, but this is exactly what has been missing from online calculators everywhere else.

    But, I’m having trouble getting the date picker to display when trying to initialize the calculator for the savings schedule type. Also, the drop down menu for series only works once, and then I’m not able to change it later or use the tab button to go from one field to the next. I’m currently resorting to refreshing the page and trying different combinations of actions until I can get to the date picker. Once that works, everything else will then function as intended.

    I’m using Windows 10 and I’ve tried so far with Chrome and Edge. Thank you for your help.

    • Thank you for these details. You are very thorough!

      I rolled out an update to the schedule module late Sunday / early Monday and I see I messed some things up. 🙁

      I’ll report back when I have them fixed. Hopefully that will be before the week is out.

    • Hi Robert, I made an update to the calculator this morning. Notice now when a user switches to a saving cash flow, the calculator is preloaded with example inputs. Since this change, I’m not able to duplicate any of the problems you mentioned. I think what happen was, without a preloaded example, the screen was not getting thoroughly initialized.

      One thing about the “series” dropdown. I’m not happy with the way that works. When a user clicks on it, it does not stay open unless the user continues to hole down the mouse button. This dropdown is part of a commercial programmer’s library which, I think, needs to be updated.

      Naturally, if you still have any problems, I’m most interested in hearing about them so that they can be fixed.

      • Hi Karl,
        Thanks for the quick update. I’m glad everything was related.

        Naturally, I’ve been trying to break the user interface, and I have two observations:

        First, if the combination of #Periods and Frequency takes you past 12/31/2099, then the interface breaks. This is problematic especially when you’re trying to change from a longer frequency to a shorter one, and happen to enter the number of periods first.

        Second, it seems the #Periods field is either 3 digits or restricted to =1000 periods. I would think the presence of 999 periods could trigger the next series default amount to be calculated (It currently shows up as 0.00).

        • Hi. I just posted another update. Now that I know someone is paying attention, I figured I should get a few things fixed. 🙂

          The problem around the combination of # of Periods and frequency going beyond Dec. 31, 2099 is handled more gracefully now. (I had checks before, but they weren’t coded correctly.)

          Max number of periods for any single series (row) is 999. I don’t understand exactly your point about if there are 999 periods, the next series being triggered automatically. Would you like to see the next row filled in? It will fill in if you tap the down arrow after entering the number of periods.

          The select boxes for Series and Payment Frequency now work correctly. They stay open after the click.

          I made a few other changes also with respect to the messages. I few more hints/tips will pop-up on error conditions. Hope they are not too obnoxious.

          Printing was not working in Firefox. Fixed.

  4. I need help tracking loan payments based on percentage of monthly sales, fixed interest rate, balloon payment at 60 months. So monthly payment amounts will vary. Do you have a calculator that will work for me?

    • I assume you’ll calculate what the payment will be since the payment amount is not based on any of the loan details (loan amount, interest rate, term etc) but rather on an unrelated number (pct of sales)? If so, you can use this calculator. See the tutorials on this page. Everyone should read tutorial #1 to get an overview of how the calculator works. Then, for your specific case, you should look at the balloon payment tutorials (#7 & #8) and the loan payment tutorial (#25).

      Also, i’ll give a plug for one of my Windows programs. If you want to save your work as you enter the payments, the C-Value! program is the Windows version of this calculator. It costs $19.95 and you’ll be able to save the loan details to disk and reload them later to edit or add new payments.

  5. Hi Karl,

    I’m trying to determine the imputed interest rate of a present lump sum payment vs. a lifetime annuity beginning at a future date. We have an offer from my wife’s former employer to accept a lump sum payment now or an annuity at age 65.

    Can this calculator perform this calculation? If so how would I set it up?

    Thank you!

    • Yes.

      But, it’s not the interest rate that you need to know. To determine which offer to accept, you should calculate the present value of the stream of future payments. Use for an interest rate (discount rate), the rate of return that you think you can earn on your money. If the present value of the annuity is greater than the lump sum, then you’ll probably want to accept the annuity (except there is no allowance for RISK in this analysis).

      See the present value tutorial for details in the list above (#21).

      Calculate PV of the declining payment amount
      Demonstrates the cash flow analytics of this calculator

      If it is the rate of return you want to know on the annuity, then please see this tutorial (#22):

      Calculate Rate of Return (ROR) on Annuity
      How to set up an annualized ROR calculation

      Everyone should look at tutorial #1 to get started.

  6. Indeed a sophistcal calculator for people who know the details .Mr. and Mrs. Smith don’t know anything of it. In Europe a bank must tell the Effective Annual Interest Rate. I miss this term as setting for calculation or as a result.

    • Thanks for the comment. I can look into adding an effective annual rate calculation – my C-Value! program for WIndows, which this calculator is based on, has that rate calculation. It would not be so difficult to add it to this calculator. The thing is, there are a lot of to-do item ahead of it.

Comments, suggestions & questions welcomed...

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