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Irr Calculator – Finds the internal rate of return that makes a ...

The Irr Calculator finds the internal rate of return that makes a series of cash flows net to zero present value. This free Irr Calculator gives you an instant, accurate result without requiring an account, spreadsheet, or financial expertise. Enter your numbers and see exactly what the formula produces.

The formula behind this calculator: Solves 0 = sum of CFt / (1+IRR)^t for IRR across all cash flow periods. As a practical example: An investment of $10,000 returning $3,000/year for 5 years has an IRR of about 15%. All results are calculated instantly in your browser — no data is stored or transmitted.

Irr Calculator FAQ

What does the Irr Calculator calculate?

Finds the internal rate of return that makes a series of cash flows net to zero present value.

How often should I recalculate as my situation changes?

Any time your rate, income, or financial goals change significantly. For mortgage planning, recalculate whenever rates move more than 0.25%.

What is the difference between fixed and variable rates?

Fixed rates stay constant for the loan term. Variable rates change with a benchmark rate (like SOFR), which can lower or raise your payment unpredictably.

Is my data sent to a server?

No — calculations run directly in your browser. Your inputs are not stored or transmitted.