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Profit & Cost Tools
Measure profit, costs, contribution, break-even points, margin, ROI, discounts, and percentage changes.
View 7 toolsAccounting Tools
Free Online Accounting Tools
Use 26 practical accounting tools for profit, COGS, break-even analysis, tax, payroll, cash flow, liquidity, receivables, payables, inventory, billing, expenses, and business planning — no subscription required.
Accounting categories
Choose the accounting task
Start with the workflow you need: profit and cost, tax and payroll, cash flow and liquidity, operations and bookkeeping, or billing and planning.
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Tax & Payroll Tools
Estimate sales tax, GST/HST, income tax, salary conversions, paycheck values, and employer payroll costs.
View 6 tools6
Cash Flow & Liquidity
Review cash movement, working capital, current ratio, quick ratio, budgets, and net worth.
View 6 tools5
Operations & Bookkeeping
Analyze receivables, payables, inventory turnover, depreciation, and session-based expense records.
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Billing & Planning
Create invoices and model compound-interest planning without a subscription.
View 2 toolsTool directory
Accounting tools
These tools cover common calculations used by freelancers, small businesses, bookkeepers, students, and anyone working with revenue, costs, taxes, pay, or budgets.
Profit Calculator
Calculate gross and net profit after product costs, operating expenses, and estimated taxes.
Use toolMargin Calculator
Calculate profit margin, markup, selling price, and profit earned per unit.
Use toolROI Calculator
Measure investment performance by comparing profit or loss with the original investment cost.
Use toolDiscount Calculator
Calculate a discount amount, final selling price, and total percentage saved.
Use toolPercentage Calculator
Solve percentage changes, portions, increases, decreases, and common business percentage questions.
Use toolSales Tax Calculator
Add or remove sales tax and calculate the pre-tax price, tax, and final total.
Use toolIncome Tax Calculator
Estimate income tax, effective tax rate, and after-tax income using your entered assumptions.
Use toolSalary Calculator
Convert salary amounts between hourly, weekly, monthly, and annual pay periods.
Use toolPaycheck Calculator
Estimate gross pay, deductions, taxes, and take-home pay for a selected pay period.
Use toolBudget Calculator
Compare monthly income and expenses to estimate cash surplus, deficit, and savings capacity.
Use toolNet Worth Calculator
Calculate personal or business net worth by subtracting total liabilities from total assets.
Use toolCompound Interest Calculator
Estimate future value, earned interest, and growth from recurring or one-time contributions.
Use toolCOGS Calculator
Calculate cost of goods sold (COGS), goods available for sale, and ending-inventory relationships using the standard inventory accounting formula.
Use toolBreak-Even Calculator
Find the sales volume needed to cover fixed and variable costs, then test a target profit without building a spreadsheet.
Use toolCash Flow Calculator
Build a quick cash movement snapshot for a month, quarter, or other period and see whether ending cash is increasing or declining.
Use toolDepreciation Calculator
Estimate depreciation expense and book value for an asset using straight-line or double-declining-balance methods.
Use toolAccounts Receivable Calculator
Measure how quickly credit sales convert into cash using accounts receivable turnover and days sales outstanding (DSO).
Use toolAccounts Payable Calculator
Estimate how quickly a business pays suppliers using accounts payable turnover and days payable outstanding (DPO).
Use toolWorking Capital Calculator
Measure short-term financial capacity with net working capital and a simple current-ratio view.
Use toolCurrent Ratio Calculator
Compare current assets with current liabilities and test the asset level required to reach a chosen current ratio.
Use toolQuick Ratio Calculator
Estimate liquidity without relying on inventory by calculating the quick ratio, also called the acid-test ratio.
Use toolInventory Turnover Calculator
Measure how often inventory is sold and replaced during a period and estimate the average number of days inventory remains on hand.
Use toolGST/HST Calculator
Add or extract GST/HST using the applicable rate you enter, with both tax-exclusive and tax-inclusive calculation modes.
Use toolPayroll Cost Calculator
Estimate the employer-side cost of payroll beyond gross wages by combining taxes, benefits, insurance, and other employer-paid expenses.
Use toolInvoice Generator
Create a clean invoice with client details, multiple line items, tax, discount, due date, notes, and browser-based print/PDF output.
Use toolExpense Tracker
Enter, categorize, total, and export business expenses for the current browser session without creating an account.
Use toolHow to use this category
Accounting calculations without heavy software
FreeToolLabs accounting tools are designed for focused calculations when you do not need a full bookkeeping platform.
Profit and cost accounting tools
Start with the COGS Calculator to estimate cost of goods sold from inventory activity, then use the Profit Calculator and Margin Calculator to connect costs with revenue and pricing. The Break-Even Calculator adds contribution margin and the sales volume required to cover fixed costs.
These tools are useful for product pricing, ecommerce, retail, service packages, project economics, and basic management reporting. Each tool has one canonical page even when it is relevant to more than one category.
Tax and payroll tools for US and Canadian planning
Use the Sales Tax and Income Tax calculators for estimates, the GST/HST Calculator to add or extract a user-entered Canadian transaction-tax rate, and the Payroll Cost Calculator to estimate employer costs beyond gross wages. Salary and Paycheck tools remain available for compensation planning.
Tax and payroll rules vary by jurisdiction and can change, so these pages keep rates transparent and editable instead of pretending one default applies everywhere. Verify final compliance amounts against current official rules and records.
Cash flow and liquidity analysis
The Cash Flow Calculator summarizes operating, investing, and financing cash movement. Working Capital, Current Ratio, and Quick Ratio calculators turn balance-sheet values into liquidity measures that can be tracked over time. Budget and Net Worth tools provide additional planning views.
These tools are most useful when the inputs come from the same reporting period. Use them together to see whether profit, cash, and short-term obligations are telling the same story.
Bookkeeping, operations, and billing
Use the Accounts Receivable Calculator for turnover and DSO, the Accounts Payable Calculator for turnover and DPO, and the Inventory Turnover Calculator for stock efficiency. The Depreciation Calculator supports fixed-asset estimates.
For everyday workflow, the Invoice Generator creates print/PDF-ready invoices and the Expense Tracker totals and exports expenses for the current session. These lightweight utilities complement accounting software rather than trying to replace a full bookkeeping system.
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