Free Tools for Every Small Business
BookkeepingFlow publishes free guides, calculators, templates and downloads. Nothing here needs an account.
Guides
Quarterly Tax Schedule
Estimated tax due dates for 2026 and 2027 with a worksheet to plan each payment.
1099 Filing Checklist
A step-by-step checklist for paying contractors and filing 1099 forms.
Tax Deduction Checklist
A printable checklist of common small business deductions.
Year-End Tax Prep
A checklist for closing out your books before you file.
Calculators
Quarterly Estimated Tax
Estimate your federal quarterly payments from income and expenses.
Self-Employment Tax
See how the 15.3% self-employment tax works out on your net income.
Profit Margin and Break-Even
Work out margins, markup and the sales you need to break even.
Cash Flow Forecast
Plan inflows and outflows across a 13-week window.
Templates
Chart of Accounts
A starting chart of accounts you can adapt to your business.
Expense Tracking
A spreadsheet layout for logging expenses by category.
Invoice Templates
Five printable invoice layouts for freelancers, hourly work, projects, contractors and retainers.
Monthly Bookkeeping Checklist
A reusable checklist for your month-end routine.
References
Software Comparisons
Side-by-side write-ups of popular accounting tools, including pricing details.
Glossary
Plain-English definitions of common bookkeeping and accounting terms.
Estimated Tax Worksheet
A free Excel worksheet for the 2026 to 2027 estimated tax payments.
Estimated Tax Due Dates
A PDF of the 2026 to 2027 estimated tax due dates.
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Free bookkeeping and tax guides, calculators and templates for small business owners.
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