Discounted Payback Period Calculator
Calculate discounted payback period calculator with discount rate. Fast, precise calculation for corporate, startup, and small business planning across USA/UK/Canada.
Calculate Discounted Payback Period Calculator
Enter your financial inputs below to compute Discounted Payback Period (Years).
Calculation Results
Calculated using commercial accounting formula: Discounted Cash Flow (Year t) = Cash Inflow / (1 + r)^t
Quick Summary
The Discounted Payback Period Calculator computes the time required to recover an initial investment while discounting future cash inflows to present value using a specified cost of capital.
- Discounted Payback (Years): Time in years required to break even factoring in interest discounting.
- Simple vs Discounted Gap: Delay in years caused by discounting future cash flows.
- Year 1 Present Value ($): Present value of Year 1 cash inflow.
How to Use the Discounted Payback Period Calculator
- Enter Initial Capital Investment.
- Enter expected Annual Cash Inflow.
- Enter Discount Rate / Cost of Capital (%).
- Click Calculate to view discounted payback period.
- Click Reset to clear inputs.
Discounted Payback Period Calculator Formula & Method
This tool utilizes standard accounting algorithms to compute business returns:
Discounted Payback = Time when Cumulative PV = Initial Investment
Where:
- Initial Investment: Capital outlay spent.
- Annual Cash Inflow: Expected annual net cash earnings.
- Discount Rate: Annual cost of capital or hurdle rate.
Worked Example
Example: $100,000 Investment, $30,000 Annual Inflow at 8% Discount Rate
- Initial Investment: $100,000.00
- Annual Cash Inflow: $30,000.00
- Discount Rate: 8.0%
- Simple Payback: $100,000 / $30,000 = 3.33 Years
Applying the formula yields:
Discounted Payback Period: 4.06 Years (vs 3.33 Years Simple Payback)
What This Calculator Includes vs. Does Not Include
What This Calculator Includes
- Time Value of Money (TVM): Factors in annual interest rates and cost of capital.
- Simple vs Discounted Comparison: Highlights time delay penalty caused by discounting.
What This Calculator Does Not Include
- Complex Tax Depreciation Shields: Accelerated tax depreciation schedules.
Tips & Best Practices
- Discounted Payback Is Always Longer than Simple Payback: Discounting future cash flows lowers their present value.
- Use Company WACC as Discount Rate: Set the discount rate equal to your Weighted Average Cost of Capital.
Common Mistakes to Avoid
- Using Unrealistic Discount Rates: Setting discount rates too low understates investment risk.
Frequently Asked Questions (FAQ)
What is Discounted Payback Period?
Discounted Payback Period is the time required for the cumulative present value of future cash inflows to equal the initial investment cost.
How do you calculate discounted payback period?
Discount each future annual cash flow using PV = Cash Flow / (1 + r)^t and sum present values until they equal initial cost.
Why is discounted payback period superior to simple payback period?
It accounts for the time value of money, reflecting the fact that money earned today is worth more than money earned in future years.
Which is always longer: simple payback or discounted payback?
Discounted payback is always longer than simple payback because discounting reduces the present value of future cash flows.
What discount rate should be used?
Use your company's Weighted Average Cost of Capital (WACC) or required hurdle rate.
Can discounted payback period fail to break even?
Yes, if the discount rate is high or cash flows are low, cumulative present value may never reach initial investment cost.
How does a higher discount rate affect discounted payback period?
A higher discount rate lowers present values, lengthening the discounted payback period.
How does discounted payback relate to Net Present Value (NPV)?
At the discounted payback point, the project's Net Present Value (NPV) equals exactly .
Is this discounted payback period calculator free?
Yes, TibCal's Discounted Payback Period Calculator is 100% free.