NAV Calculator
Fund NAV total return.
Calculate NAV total return for any fund by entering starting NAV, ending NAV, and distributions paid out to unit holders.
What this tool does
Net Asset Value total return combines price change with distributions paid to unit holders. Given starting NAV, ending NAV, and distributions per unit during the period, this calculates the total return percentage plus breaks down how much came from price movement versus income received. The result shows what a unit holder's overall gain or loss would have been across the measurement period, expressed as a percentage. Starting NAV and price movement are the primary drivers of the final figure, while distributions add to the total picture. A typical scenario might involve comparing fund performance over a calendar year or between purchase and sale dates. The calculation assumes distributions are reinvested and does not account for fees, timing of payouts, or tax treatment on those distributions. Results are illustrative only and reflect historical or modelled inputs rather than forward projections.
Enter Values
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Formula Used
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Disclaimer
Results are estimates for educational purposes only. They do not constitute financial advice. Consult a qualified professional before making financial decisions.
Net Asset Value (NAV) is the per-unit value of a mutual fund or ETF. Total return = (NAV change + distributions) / starting NAV. 100 NAV → 108 NAV + 2 distributions = (8 + 2) / 100 = 10% total return. Important to use total return for fair comparison - NAV-only return excludes income payments.
Example: bought fund at 50 NAV. One year later: NAV 52, paid 1.50 in distributions (dividends + capital gain distributions). NAV return = 4%. Distribution yield = 3%. Total return = 7%. The fund factsheet headline NAV change of 4% understates true return by nearly half.
NAV calculation: (Total assets - liabilities) / shares outstanding. Updated daily for mutual funds (after market close), continuously for ETFs (real-time intraday). NAV vs market price: mutual funds always trade at NAV. ETFs trade close to NAV but can have small premium/discount due to supply/demand. Closed-end funds can trade at significant premium/discount to NAV - opportunity for value investors.
Run it with sensible defaults
Using starting nav of 50, ending nav of 52, distributions per unit of 1.5, the calculation works out to 7.00%. The defaults are meant as a starting point, not a recommendation.
The levers in this calculation
The inputs — Starting NAV, Ending NAV, and Distributions Per Unit — do not pull with equal force. Not every input has equal weight. Adjusting one input at a time toward extreme values shows which ones move the result most.
How the math works
Total return = (NAV change + distributions) / starting NAV.
Why investors run this
Most people's intuition for compounding is wrong — not because the math is hard, but because linear thinking doesn't account for curves. Running numbers through a calculator like this one is the cheapest way to recalibrate that intuition before making an irreversible decision about contribution rate, asset mix, or retirement age.
What this doesn't capture
Steady-rate math ignores real-world volatility. Actual returns are lumpy; sequence-of-returns risk matters most in drawdown; fees and taxes drag on compound growth; and behaviour changes in drawdowns can reduce outcomes below the projection. The number represents one scenario rather than a forecast.
££50 → ££52 + ££1.5 = 7.00%.
Inputs
This example uses typical values for illustration. Adjust the inputs above to match a specific situation and see how the result changes.
Sources & Methodology
Methodology
This calculator computes total return on a fund investment by measuring the combined effect of NAV appreciation and distributions. The formula takes the difference between ending and starting NAV, adds any distributions received per unit, then divides by the starting NAV to express the result as a percentage return. The calculation assumes a buy-and-hold approach with no reinvestment timing assumptions and treats all distributions as received at their stated values. It does not model fees, tax consequences, or the sequence and timing of distribution payments. The result represents a simple return metric and should not be interpreted as annualized performance or adjusted for holding period length.
References
Frequently Asked Questions
NAV vs market price?
Distribution types?
ETF tax efficiency vs mutual fund?
When to buy/sell relative to NAV?
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