Business, Freelance & Small Business Calculators

Business Calculators

Estimate freelance rates, loan payments, margins, break-even points, investment returns, commissions, depreciation, cash flow, inventory turnover, invoice fees, and tax-planning scenarios.

Use editable revenue, cost, tax, cash-flow, loan, and pricing assumptions to model common small-business decisions.

These calculators are educational estimates only and are not financial, legal, lending, accounting, or tax advice.

Freelance & Pricing

Choose a calculator and adjust revenue, cost, tax, loan, or cash-flow assumptions.

Freelance Hourly Rate Calculator

Estimate an hourly freelance rate from target income, expenses, taxes, and billable hours.

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Invoice Late Fee Calculator

Estimate late fees from invoice balance, days late, and monthly late-fee rate.

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Loans & Investment

Choose a calculator and adjust revenue, cost, tax, loan, or cash-flow assumptions.

Business Loan Calculator

Estimate monthly payment, total interest, and total repayment for a business loan.

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ROI Calculator

Calculate return on investment from gain, cost, and holding period.

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IRR Calculator

Estimate internal rate of return from an initial investment and annual cash flows.

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Payback Period Calculator

Estimate how long it takes to recover an investment from cash flows.

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Profitability

Choose a calculator and adjust revenue, cost, tax, loan, or cash-flow assumptions.

Profit Margin Calculator

Calculate gross profit, margin, and markup from revenue and cost.

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Markup Calculator

Calculate selling price, markup, and profit from cost and markup percentage.

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Break-Even Calculator

Estimate units and revenue needed to cover fixed and variable costs.

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Sales & Operations

Choose a calculator and adjust revenue, cost, tax, loan, or cash-flow assumptions.

Commission Calculator

Estimate commission pay from sales, rate, tiers, and base pay.

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Depreciation Calculator

Estimate annual depreciation using straight-line or double-declining balance.

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Cash Flow Calculator

Estimate operating cash flow from cash received and cash paid.

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Inventory Turnover Calculator

Calculate inventory turnover and days inventory outstanding.

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Taxes & Entity Planning

Choose a calculator and adjust revenue, cost, tax, loan, or cash-flow assumptions.

S-Corp Tax Savings Calculator

Estimate possible payroll tax difference between Schedule C and S-corp-style salary/distribution assumptions.

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LLC Tax Calculator

Estimate federal income tax reserve and self-employment tax for pass-through LLC profit.

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FAQ

Business Calculator Questions

What can I estimate with business calculators?

You can estimate freelance rates, business loan payments, margins, markup, break-even volume, ROI, IRR, payback, commissions, depreciation, cash flow, inventory turnover, late fees, and rough LLC or S-corp tax planning scenarios.

Are these calculators tax, legal, or accounting advice?

No. They are educational planning tools only. Confirm business, entity, tax, accounting, loan, and pricing decisions with qualified professionals.

Why are tax assumptions editable?

Business taxes vary by year, state, entity election, payroll setup, deductions, reasonable compensation, credits, and owner facts, so editable assumptions are safer than fixed one-size-fits-all numbers.

Which calculators should freelancers start with?

Start with the freelance hourly rate, profit margin, break-even, invoice late fee, cash flow, and LLC tax calculators.