Calculator
XIRR & time-weighted return
Money-weighted vs time-weighted return on the same history.
Inputs
Amounts in USD
Total added minus withdrawals over the period
0.5%
Sample 5 years track: XIRR 0.5%, TWR 0.53%.
- TWR (time-weighted)
- 0.53%
- Period
- 5 years
Formula: XIRR solves NPV(cash flows) = 0; TWR chains sub-period returns · ECB rates 2026-08-07
How this works
XIRR (money-weighted return) weights returns by when you added or withdrew cash — it answers “how did I do given my timing?” TWR strips out cash-flow timing and measures pure investment performance.
Asset Worth computes both from your actual net-worth history and contributions, including multi-currency holdings converted to your display currency.
Track the real numbers behind these projections — multi-currency, goals and forecasts in one place.
Start free →