7 free tools
Small Business tools built for real work
Pricing, utilization, cash-flow and profitability calculators for freelancers and small service businesses. Every tool is designed to expose its inputs and outputs clearly instead of hiding the logic behind a vague score.
▦44ADA Presumptive Tax CalculatorEstimate presumptive professional income under Section 44ADA from gross receipts and an editable presumptive-income percentage.→▦Billable Utilization Rate CalculatorCalculate billable utilization from billable hours and available working hours.→▦Cash Runway CalculatorEstimate monthly net burn and cash runway from cash balance, recurring outflows and recurring inflows.→▦Freelance Hourly Rate Calculator IndiaEstimate a sustainable freelance hourly billing rate from income goal, annual costs, billable capacity and reserve percentage.→▦Late Payment Interest CalculatorCalculate simple or compounded late-payment interest using an entered principal, annual rate and days overdue.→▦Project Profitability CalculatorCalculate project profit and margin from revenue, labor, contractor, other direct cost and allocated overhead.→▦Proposal Pricing CalculatorBuild a service proposal price from internal delivery cost, expenses, contingency and target profit margin.→
Why ToolboxKart Small Business tools?
Fast interfaces, plain-language explanations, mobile-friendly layouts and no unnecessary account wall for the utilities in this release.
Tool first
The working interface appears before long-form SEO content, so you can finish the task quickly.
Transparent logic
Calculators disclose formulas or assumptions where they matter, and analyzers avoid pretending subjective checks are scientific facts.
Reusable results
Copyable output and clean formatting are included where they improve the workflow.