Return on Assets (ROA) Calculator

A return on assets calculator, or ROA calculator, shows how efficiently your business turns the assets it controls into profit. You enter two figures, your net income for the period and your total assets, and the tool divides one by the other and multiplies by one hundred to express the result as a percentage. Net income is the profit left after all expenses, interest and tax, taken from the bottom of your income statement, while total assets is everything the business owns, including cash, receivables, inventory, equipment and property, drawn from your balance sheet. The resulting percentage tells you how many cents of profit the business generated for every dollar of assets it holds, so a ROA of fifteen percent means each dollar of assets produced fifteen cents of profit. ROA is valued because it cuts across how a business is financed and focuses purely on how well management uses its resources, making it useful for comparing companies of different sizes within the same industry. A higher ROA generally signals better asset efficiency, but the right level varies enormously between sectors, since asset light service businesses usually post far higher figures than capital heavy manufacturers or property holders. To use it well, calculate it consistently using the same definition of net income and assets each period, track the trend over several periods, and benchmark only against similar businesses. Many analysts use average total assets across the period rather than the closing balance to smooth out large swings. Read ROA alongside return on equity and your margins so you understand both how profitable the business is and how hard its assets are working.

15.0%
Return on assets
Profit per $1 of assets$0.15

ROA = net income / total assets x 100. Estimate only, not financial or tax advice.

How it works

Return on assets divides net income by total assets and multiplies by one hundred to give a percentage. It shows how much profit each dollar of assets produces. A higher figure means more efficient use of assets.

Worked example

With net income of $90,000 and total assets of $600,000, ROA is 90,000 divided by 600,000, which is 0.15 or 15.0 percent. That means each dollar of assets earns $0.15 of profit.

Related calculators

If you've found a bug, or would like to contact us, or learn more about James Graham and Calculate.co.nz.

Calculate.co.nz is partnered with Interest.co.nz for New Zealand's highest quality calculators and financial analysis.

All calculators and tools are provided for educational and indicative purposes only and do not constitute financial advice.

Calculate.co.nz is proudly part of the Realtor.co.nz group, New Zealand's leading property transaction literacy platform, helping Kiwis understand the home buying and selling process from start to finish. Whether you're a first home buyer navigating your first property purchase, an investor evaluating your next acquisition, or a homeowner planning to sell, Realtor.co.nz provides clear, independent, and trustworthy guidance on every step of the New Zealand property transaction journey.

Calculate.co.nz is also partnered with Health Based Building and Premium Homes to promote informed choices that lead to better long-term outcomes for Kiwi households.

Calculate.co.nz is hosted in Auckland via SiteHost new Zealand.

All content on this website, including calculators, tools, source code, and design, is protected under the Copyright Act 1994 (New Zealand). No part of this site may be reproduced, copied, distributed, stored, or used in any form without prior written permission from the owner.

© 2019 to 2026 Calculate.co.nz. All rights reserved.