Business & Accounting Calculators
Calculate profit margin, markup, break-even sales, ROI, sales tax, inventory turnover, gross profit, net profit, commissions, cash flow, current ratio and cost per unit with transparent U.S.-focused business tools.
Profit Margin Calculator
Free profit margin calculator for U.S. businesses. Enter revenue and total costs to calculate profit, profit margin, cost percentage and break-even revenue context.
Markup Calculator
Free markup calculator to compare cost and selling price. Calculate markup percentage, profit per unit, selling-price margin and cost percentage for business pricing.
Break-Even Calculator
Free break-even calculator for small business planning. Enter fixed costs, selling price and variable cost per unit to calculate break-even units, revenue and contribution margin.
ROI Calculator
Free ROI calculator for return on investment. Enter investment cost, ending value, additional returns and costs to calculate net return, ROI percentage and optional annualized return.
Sales Tax Calculator
Free sales tax calculator for U.S. purchases and business estimates. Enter a pre-tax amount and sales tax rate to calculate tax, total price and tax share.
Inventory Turnover Calculator
Free inventory turnover calculator. Enter cost of goods sold and beginning and ending inventory to calculate average inventory, turnover ratio and days inventory on hand.
Gross Profit Calculator
Free gross profit calculator. Enter revenue and cost of goods sold to calculate gross profit, gross margin percentage, COGS percentage and markup on COGS.
Net Profit Calculator
Free net profit calculator for business. Enter revenue, COGS, operating expenses, interest and taxes to calculate net profit, net margin and total modeled expenses.
Commission Calculator
Free sales commission calculator. Enter commissionable sales, commission rate and optional base pay to calculate commission, total compensation and effective commission rate.
Cash Flow Calculator
Free cash flow calculator for business planning. Enter starting cash, cash inflows and cash outflows to calculate net cash flow, ending cash and inflow-to-outflow ratio.
Current Ratio Calculator
Free current ratio calculator for business liquidity. Enter current assets and current liabilities to calculate current ratio, working capital and liability-to-current-assets percentage.
Cost Per Unit Calculator
Free cost per unit calculator for business. Enter fixed costs, variable costs and units produced to calculate total cost per unit, fixed cost per unit and variable cost per unit.
About Our Business & Accounting Calculators
This category brings together practical tools for business owners, freelancers, managers and students. Start with the Profit Margin Calculator for a quick profitability check, use the Break-Even Calculator for sales targets, review liquidity with the Cash Flow Calculator, or check balance-sheet liquidity with the Current Ratio Calculator.
How to use these calculators
Choose the calculator that matches your business question, enter values from the same transaction or accounting period, and review both the main result and its detailed breakdown. Keep dates and cost classifications consistent, then compare more than one scenario before making a decision.
Why business estimates can differ
Business estimates can change when accounting policies, tax rules, payment timing, inventory methods, returns, discounts, financing costs or business-specific classifications differ from the assumptions in a general calculator.
- Profit and margin depend on which costs are included in the calculation.
- Break-even analysis assumes selling price and variable cost remain stable in the modeled range.
- Sales tax rates and taxability vary by state, locality and transaction.
- Accounting ratios should be compared using consistent financial-statement definitions and periods.
Business & Accounting Calculator FAQs
Are these business and accounting calculators free to use?
Yes. The calculators in this category are free browser-based tools and do not require a paid account for their standard calculations.
Do the calculator results replace accounting or tax advice?
No. Results are educational estimates and do not replace official records, applicable rules or guidance from a qualified accounting, tax, legal or financial professional.
Can small businesses use these calculators?
Yes. The tools cover common planning questions involving profit, pricing, break-even analysis, cash flow, sales tax and accounting ratios.
Do these calculators store my business data?
The calculator logic runs in your browser. Do not enter confidential information you are not comfortable placing in a web form.
Does the Sales Tax Calculator look up state and local rates?
No. Enter the rate that applies to your transaction and verify taxability and filing rules with the appropriate state or local authority.
Can I use these tools to prepare financial statements?
They can help check individual formulas, but they do not create or replace complete financial statements, bookkeeping records or accounting software.