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← BackHome › Money & Finance › Portfolio Rebalancing Calculator

Portfolio Rebalancing Calculator

By the CalcMundi team · Updated October 22, 2026 · Formulas checked against standard financial math

Enter what you have in each asset class, your target for each one and the new money to invest.

Why rebalance?

Over time, what grows faster takes a bigger share of the portfolio and changes your risk. Rebalancing brings it back to your targets. Buying only, with new money, avoids selling and paying taxes in a taxable account.

Example

$60,000 in stocks, $25,000 in bonds and $5,000 in real estate funds, with a 60/30/10 target and $5,000 to invest: put about $2,188 in bonds and $2,813 in real estate funds.

Frequently asked questions

How often should I rebalance?

Many investors do it once a year, or when a class drifts more than 5 percentage points from its target.

See also

Add this calculator to your website

Free for blogs, real estate agents, brokers and any site. Paste this code where you want the calculator to appear. It adjusts its height on its own.

Results are estimates for information only and are not financial, legal or medical advice. Rates, taxes and fees vary — confirm with a professional or your lender.