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XIRR Calculator (Extended Internal Rate of Return)

Calculate Extended Internal Rate of Return (XIRR) for irregular SIPs, top-ups, partial redemptions, and mutual fund portfolios.

Reviewed by Fintools Find Quantitative Finance & Engineering Team Updated August 2026 Zero Server Data Storage
📊 Extended Internal Rate of Return (XIRR) Engine

Your cash flow portfolio achieved an annualized Extended Internal Rate of Return (XIRR) of 11.46% p.a., generating ₹30,000 in net profit on a total invested capital of ₹150,000 over 2 years.

Annualized return solver for irregular SIPs, top-ups, partial redemptions, and portfolio valuations using Newton-Raphson numerical root finding.

Annualized XIRR Return (% p.a.)11.46%Net Profit: ₹30,000 (20%)

⚡ Smart XIRR Cash Flow Presets

Quick Scenario Presets1-Tap Auto Fill

1. Multi-Transaction Cash Flow Schedule

Enter date and amount for each cash flow. Use Negative (-) for investments/deposits, and Positive (+) for redemptions/current portfolio valuation.

#Transaction DateDescription / LabelCash Flow Amount (₹)Type IndicatorAction
1🔴 Outflow (Investment)
2🔴 Outflow (Investment)
3🟢 Inflow (Valuation/Payout)
Annualized XIRR Return11.46%Extended Internal Rate of Return
Total Capital Invested₹1,50,000Sum of all negative cash flows
Total Redemption / Valuation₹1,80,000Sum of all positive cash flows
Net Capital Profit / Appreciation₹30,000Absolute Return: 20%
⚖️ XIRR vs Benchmark CAGR Insights

Annualized XIRR is 11.46% p.a. over a 2-year horizon.

Unlike simple CAGR (9.54%), XIRR accurately accounts for the exact dates and amounts of every intermediate cash deposit and withdrawal.

Equivalent CAGR Benchmark9.54% p.a.Horizon: 2 Yrs
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Process Architecture

How Repayment & Lifecycle Works

Understanding the key phases of your loan or investment timeline

01

Enter Investment Cash Outflows (-)

Add your purchase dates and amounts using negative values (e.g. -₹1,00,000 for initial deposit or SIPs).

02

Enter Redemption / Current Portfolio Inflow (+)

Add your redemption or current net asset portfolio valuation on the target date using a positive value.

03

Add Intermediate Cash Flows (Top-ups or Partial Redemptions)

Easily add multi-transaction top-ups or dividend/partial withdrawal cash flows.

04

Audit Annualized XIRR & Benchmark Insights

Instantly view your exact Extended Internal Rate of Return (XIRR % p.a.) and compare it to simple CAGR.

Target Borrowers

Who Should Use the XIRR Calculator (Extended Internal Rate of Return)?

Mutual Fund SIP Investors

Investors analyzing true annualized returns across monthly SIP deposits, step-up contributions, and current portfolio value.

Direct Equity & Stock Traders

Traders evaluating multi-tranche stock purchases, dividend payouts, and final portfolio valuations.

Real Estate & Private Equity Investors

Property owners calculating returns across purchase price, periodic rental income, and property sale proceeds.

Financial Analysts & Wealth Managers

Wealth advisors needing exact Newton-Raphson XIRR precision for client portfolio performance reporting.

Key Benefits

  • Accurately measure real annualized returns for irregular Mutual Fund SIP investments
  • Factor in the exact dates of multiple top-up contributions and dividend/partial redemptions
  • Eliminate return calculation errors caused by simple CAGR or absolute return metrics
  • Compare portfolio performance against benchmark FD rates or market indices

Platform Features

  • Flagship XIRR calculation engine utilizing Newton-Raphson numerical root finding with bisection fallback
  • Dynamic multi-transaction cash flow table with Add Row and Delete Row controls
  • Clear cash-flow direction indicators (Outflow (-) vs Inflow (+))
  • Absolute profit and absolute return percentage indicators
  • Total holding period horizon counter
  • Side-by-side XIRR vs Benchmark CAGR comparison card
  • Scenario analysis matrix (+10% / -10% valuation sensitivities)
Mathematical Engine

Extended Internal Rate of Return (XIRR) Equation

Standard TVM Formula
Formula Expression
\sum_{i=1}^{N} \frac{C_i}{(1 + \text{XIRR})^{\frac{d_i - d_1}{365.25}}} = 0
C_i — Cash Flow Amount at Date i

Transaction amount (negative for investment deposit, positive for redemption or valuation).

d_i - d_1 — Days Elapsed from Start Date

Exact day difference between transaction date d_i and initial cash flow date d_1.

365.25 — Annualization Day-Count Fraction

Standard year fraction incorporating leap-year precision.

XIRR — Annualized Internal Rate of Return

Solved numerically using Newton-Raphson iteration so Net Present Value equals zero.

Case Studies

Practical Worked Scenarios

Example 1

Benchmark Case Study: 1-Year Lumpsum Investment (-₹1 Lakh to +₹1.10 Lakhs)

Standard 1-Year Benchmark
Initial Investment (2024-01-01) -₹100,000
Valuation (2025-01-01) +₹110,000
Absolute Profit ₹10,000
Annualized XIRR 10.0% p.a.
Key Takeaway: For a simple 1-year investment with a single outflow and single inflow, XIRR equals 10.0% p.a., matching simple CAGR exactly.
Example 2

Benchmark Case Study: Lumpsum + Top-up + Valuation (-₹100k, -₹50k, +₹180k)

Multi-Transaction Cash Flow
Total Invested Capital ₹150,000
Current Valuation ₹180,000
Net Profit ₹30,000
Annualized XIRR 12.33% p.a.
Key Takeaway: Because the ₹50,000 top-up was deposited 1 year after the initial ₹100,000, XIRR accurately factors in the shorter holding time of the second tranche, yielding an annualized return of 12.33% p.a.
⚠️

Common Mistakes to Avoid

Critical financial oversights that reduce long-term returns

✕

Entering all amounts as positive numbers: XIRR will fail unless there is at least one negative outflow and one positive inflow.

✕

Confusing Absolute Return with XIRR: A 50% absolute return over 10 years translates to an XIRR of only ~4.14% p.a.

✕

Using incorrect dates: Date accuracy is critical for XIRR because day fractions directly dictate exponential discounting.

Frequently Asked Questions

XIRR Calculator (Extended Internal Rate of Return) FAQs

Clear answers to common questions about calculations and methodology

Extended Internal Rate of Return (XIRR) is the financial metric used to compute the annualized rate of return for a series of irregular cash flows occurring on specific dates. It accounts for both the exact timing and magnitude of every investment deposit and withdrawal.
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