How to Calculate Book Value Per Share from Common Equity

Match the equity and shares first

A correct BVPS calculation starts with common book equity and the shares that claim it on the same date. A company can disclose several equity lines and several share counts, so identify the two that match.

What book value per share measures

Book value per share (BVPS) expresses common-attributable accounting equity per outstanding common share at one reporting date.

Accounting policies affect the balance sheet. The result does not measure the current market quote or expected cash proceeds.

Reconcile a published figure

Record the balance-sheet date, parent and common equity amounts, any preferred claim already removed, and the outstanding share count. Check the currency scale and any split adjustment before comparing your result.

Book value per share formula

Divide signed common book equity by positive common shares outstanding. Enter an already reconciled common amount directly or subtract one supplied preferred carrying amount from parent book equity before that deduction.

BVPS = common book equity ÷ common shares outstanding

Verify both equity bases

Parent book equity of 250 million less a preferred carrying claim of 50 million gives common book equity of 200 million. With 20 million common shares outstanding, BVPS is 10.00. Entering the already reconciled 200 million directly gives the same result.

1. Enter parent book equity of 250000000 and the included preferred carrying claim of 50000000.
2. Enter 20000000 common shares outstanding for the same date.
3. Check that common book equity is 200000000 and BVPS is 10.00 per share.
4. Switch to direct mode and enter 200000000 to reconcile the same result.

Choose the actual outstanding count

Use equity and actual outstanding shares for the same issuer, date and share basis. Select the equity basis and enter the supplied amounts in actual currency units. Enter an explicit zero for a known zero preferred claim. Changing basis clears monetary inputs.

Check the share capital note for treasury stock, reporting units and share changes. Enter the actual count, excluding treasury shares.

Interpret negative equity and buybacks

A deficit in common book equity gives negative BVPS. Exact zero gives zero per share when outstanding shares are positive. BVPS reflects an accounting balance and can change when equity, outstanding shares or both change.

For example, 200 million over 20 million shares is 10.00. A hypothetical buyback of four million shares for 20 million with no other change leaves 180 million over 16 million, or 11.25. Different repurchase terms can reduce BVPS.

BVPS, tangible book, EPS and P/B

Tangible book adjusts the book numerator under a separately defined method. EPS allocates period earnings, usually over weighted-average shares. P/B uses common market value and comparable positive book value to form a multiple.

Separate parent and common equity

Start the parent mode with parent-attributable equity that excludes noncontrolling interests. Apply only a preferred claim that is still included and needs deducting. Exclude treasury shares from the actual outstanding denominator.

Consolidated financial statements can include equity attributable to outside holders of subsidiaries. Read the issuer's presentation of parent equity before determining any preferred deduction. Use a common-attributable balance when the disclosure provides one.

Know the supported domain

Use ungrouped decimals through 48 trimmed characters and 12 fractional places. Input money magnitude is limited to 10^15. Enter 1 to 10^15 whole shares. Division uses 80 significant digits and display rounds half-even to two decimals with tiny-value markers.

Dates, instrument classification and share adjustments are supplied by the user. The calculator does not perform those reconciliations automatically.

Avoid double deductions and unit errors

Do not subtract preferred equity twice or substitute total consolidated equity, market capitalisation, issued shares including treasury shares, free float, or the weighted-average share count used for EPS.

If the source states 200 million of common equity, enter 200000000. Using a reported scaled amount with an actual share count would produce the wrong result.

Read reporting units across five markets

US filings may label the balance common shareholders' equity. UK reports can use ordinary shares, thousands of pounds for totals and pence per share. Canadian issuers can report in USD, and Australian disclosures can present tangible asset backing as a separate measure.

Indian reports may use lakh or crore for equity. Expand the units, use the statement's presentation currency and keep both figures on a consistent basis. The UK fund NAV source illustrates reporting units and period-end counts rather than a universal corporate book-value definition.

Educational scope

Educational accounting ratio based on supplied inputs. No automatic classification, date inference, FX, tangible book adjustments, fair value, liquidation estimate or personalized investment advice.

Frequently asked questions

Sources and review

Sources reviewed Nov 9, 2026. Consult current local rules before relying on time-sensitive information.

• SEC-filed issuer example
• IFRS 10 consolidation overview
• UK issuer report
• Fairfax interim report
• ASX issuer results
• GAIL annual report