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💼 Small Business
Markup, margin, break-even, invoices, contractor tax set-aside sketches.
Educational tools only — not financial, tax, lending, or investment advice. Confirm figures with official documents and professionals.
Related guides (read + calculate)
Long-form articles with human anchor text into the calculators below.
- Paycheck and FICA orientation
Estimate employee FICA and a rough net paycheck using document-based inputs, while knowing the limits versus official IRS withholding tools.
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All 4 tools in this category
- 🏷️ Markup and Margin Calculator Convert cost, markup %, and gross margin into price and profit.
- 📉 Break-Even Calculator Units needed to cover fixed costs and a profit target.
- 🧾 Invoice Total Calculator Subtotal, discount, tax, shipping, and balance due.
- 🧰 Contractor Tax Set-Aside Calculator Rough self-employment and income tax set-aside for 1099 income.