Tax-Adjusted NPV Calculator with Depreciation Shield

Taxes reduce operating inflows while depreciation provides a valuable tax shield. Evaluate real after-tax enterprise returns.

Calculator Inputs
Results update instantly as you change inputs
Instant Calculation
%

US corporate WACC baseline: 7.5%–9.5% (10-Yr US Treasury: 4.25% + 5.0% ERP)

$

Upfront capital expenditure (outflow at time zero)

Year 1
$
Year 2
$
Year 3
$
Year 4
$
Year 5
$
Live updates

In plain English: NPV discounts future cash flows to today's value minus upfront cost. NPV > 0 creates wealth (Accept); NPV < 0 earns below your hurdle rate (Reject).

NPV Results
Calculated in real-time
Net present valuePositive Net Present Value
$418,951

The project earns more than the required return at the selected discount rate. Value is expected to be added to the firm.

PV of inflows$3,418,951
Break-even rate (IRR)15.93%
Discounted payback4.41 Years
Profitability Index1.14x
Discounted Cash Flow & Running Total Curve
Inflows (PV) Outflow (Year 0) Running Total

Bars: present value of each period (Year 0 is initial outlay). Polyline: running cumulative total. When the line crosses zero, the project achieves economic break-even in today's money.

Period-by-Period Schedule
Discount factor and present value breakdown per period
Scroll horizontally on mobile →
YearCash flowDiscount factorPresent valueRunning total
Year 0-$3,000,0001.0000-$3,000,000-$3,000,000
Year 1$700,0000.9009$630,631-$2,369,369
Year 2$850,0000.8116$689,879-$1,679,490
Year 3$950,0000.7312$694,632-$984,858
Year 4$1,050,0000.6587$691,668-$293,191
Year 5$1,200,0000.5935$712,142$418,951
Sensitivity Analysis & Stress-Testing
Evaluate project resilience across hurdle rates and cash flow shocks
Discount RateScenarioNet Present ValueVariance vs BaseViability
7.0%-400 bps$828,735+$409,784Accept
9.0%-200 bps$614,968+$196,018Accept
10.0%-100 bps$514,862+$95,911Accept
11.0%ActiveBase Case (Active)$418,951— (Base)Accept
12.0%+100 bps$327,012-$91,938Accept
13.0%+200 bps$238,838-$180,113Accept
15.0%+400 bps$73,011-$345,939Accept
15.9%IRRBreak-Even (IRR)$0-$418,951Break-Even

Sensitivity analysis reveals how NPV shifts when corporate borrowing costs or inflation vary. As the discount rate increases, present value decreases.

Formula & Calculation Logic

Operating CF = (Revenues - Expenses) * (1 - Tax Rate) + (Depreciation * Tax Rate)

This financial model applies precise periodic compounding to establish the exact present economic value of future cash inflows against the required initial investment.

Financial Rule of Thumb: When Net Present Value (NPV) > 0, the project generates economic returns superior to the hurdle rate. If NPV < 0, the project fails to meet the cost of capital.

Key Capabilities & Features

  • Depreciation tax shield incorporation
  • After-tax cash flow discounting
  • Corporate tax rate adjustment

Frequently Asked Questions

What is Net Present Value (NPV)?

Net Present Value (NPV) is a core financial metric used in capital budgeting to analyze the profitability of a projected investment or project. NPV calculations take into account the time value of money by discounting expected future cash flows back to their present value using a specified discount rate (such as WACC or required rate of return). If the NPV is positive, the project is projected to generate surplus value over and above its cost of capital.

How is NPV calculated step-by-step?

To calculate NPV step-by-step: 1. Identify the Year 0 initial investment outlay ($I_0$). 2. Estimate the expected net cash flow ($CF_t$) for each period $t = 1, 2, \dots, n$. 3. Determine the appropriate annual discount rate ($r$). 4. For each period, calculate the discount factor: $1 / (1 + r)^t$. 5. Multiply each cash flow by its discount factor to obtain its Present Value ($PV_t$). 6. Sum all present values: $PV_{\text{inflows}} = \sum PV_t$. 7. Subtract initial investment: $NPV = PV_{\text{inflows}} - I_0$.