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Free Business Calculators

Quick, simple calculators to help you plan your taxes, check your profit and understand your numbers. No sign-up needed.

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Tax

Plan ahead for what you owe and what you can deduct.

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    Estimated Quarterly Tax Calculator

    Estimate your federal quarterly tax payment from your expected profit.

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    Self-Employment Tax Calculator

    Estimate your Social Security and Medicare tax on self-employment income.

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    Tax Deductions for the Self-Employed

    Get a checklist of common deductions for your type of business.

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Profitability & financial health

Check your margins, costs and balance sheet strength.

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    Profit Margin Calculator

    Work out your gross and net profit margins and your markup.

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    Cost of Goods Sold Calculator

    Calculate the direct cost of the products you sold in a period.

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    Debt to Equity Ratio Calculator

    Measure how much of your business is funded by debt.

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    EBITDA Calculator

    Measure operating profitability before interest, tax and depreciation.

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Marketplace sellers

See what you really keep after marketplace fees.

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    eBay Profit Margin Calculator

    See your profit and margin on an eBay sale after fees.

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    Etsy Profit Margin Calculator

    See what you keep from an Etsy sale after fees.

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Free consultation · No pressure

Let's Make Bookkeeping Simple Again

Get in touch for a friendly, pressure-free chat. We will look at your current paperwork setups and customize a simple bookkeeping flow that fits your business perfectly.

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Legal Disclaimer

24MAGIC provides bookkeeping, transaction reconciliation, and financial back-office support services for businesses. 24MAGIC is not a Certified Public Accounting (CPA) firm and does not provide licensed public accounting services, including audits, attestations, examinations, reviews, certifications, or any other services requiring CPA licensure.

Our services are designed to support your everyday bookkeeping and financial operations and are not a replacement for professional accounting, tax, financial, or legal advice. 24MAGIC is not affiliated with or governed by the American Institute of Certified Public Accountants (AICPA).

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