Net Asset Value Calculator - Fund NAV Per Share

A net asset value (NAV) calculator estimates the total and per-share value of a mutual fund, exchange-traded fund, or pooled investment portfolio. Enter total assets, total liabilities, shares outstanding, and an optional annual expense ratio. The calculator displays total net asset value, NAV per share, annual expenses estimated from assets, and assets per share. Investors and students can use these figures to understand the accounting relationship behind a published fund NAV and to compare the scale and cost structure of different funds. The primary formula is NAV = total assets − total liabilities. NAV per share equals that net amount divided by shares outstanding. Assets per share uses total assets divided by shares, before deducting liabilities. If an expense ratio is supplied, annual expenses are estimated as total assets × expense ratio. Percentages are converted to decimals first. Shares outstanding must be greater than zero because a per-share NAV cannot be calculated without a share count. The tool permits negative net assets mathematically, although that result should prompt careful review of the inputs. A NAV per share is not necessarily the market price at which an ETF trades during the day. Mutual funds typically transact at end-of-day NAV, while ETFs can trade at premiums or discounts because of supply, demand, and creation-redemption mechanics. Annual expense ratio is an ongoing operating-cost indicator, not a one-time deduction from NAV in this calculation. Fund reporting may value securities using pricing policies, accrue income and expenses, and update share counts at specific times. Use asset, liability, and share figures drawn from the same valuation date and currency. Compare expense ratios alongside strategy, risk, tracking difference, taxes, and trading costs rather than treating cost alone as a selection rule. This calculator provides an accounting estimate and cannot validate a fund’s holdings or prices. Consult the official prospectus, shareholder report, or fund sponsor for current NAV and fee information before making an investment decision.