XIRR

Free XIRR calculator with clear step-by-step results.

About XIRR

A single-lump-sum approximation of the annualised internal rate of return.

Formula

XIRR ≈ (value ÷ invested)^(365/days) − 1

Worked example

With the default values below, XIRR returns Estimated XIRR of 16.03%. Change any input above and every figure here is recalculated in your browser.

Inputs used

Total investedminimum 0 $: 10,000 $
Current valueminimum 0 $: 14,500 $
Days since first investmentminimum 1: 912

Results

Estimated XIRR: 16.03%
Holding Period (years): 2.50
Gain: $4,500.00

Step by step

1Values used
2Formula
3Estimated XIRR= 16.03
4Holding Period (years)= 2.50
5Gain= $4,500

Assumptions and limits

The result is derived only from the 3 inputs listed above. Anything not among them is not part of the calculation.
In particular, this calculator does not take inflation, tax, fees or charges or compounding frequency into account.
Figures are rounded for display to 2 decimal places, so totals built from several rounded parts can differ slightly from the unrounded arithmetic.
This is an estimate for general information and not professional financial, tax or legal advice. See the full disclaimer for the limits that apply to this kind of calculator.

How these calculators are built and tested is described on the Methodology page. If a figure looks wrong, please report it.

Frequently Asked Questions

How does this calculator work?