8 free tools
Finance tools built for real work
Transparent calculators for common business and personal finance scenarios. Every tool is designed to expose its inputs and outputs clearly instead of hiding the logic behind a vague score.
$Loan EMI CalculatorEstimate monthly payment, total interest and an initial amortization schedule.→$Compound Interest CalculatorProject a balance with principal, monthly contributions, annual rate and time.→$Profit Margin CalculatorCompare gross profit, margin, markup and target-margin selling price.→$Break-Even CalculatorEstimate contribution margin, break-even units and break-even revenue.→$GST Inclusive/Exclusive Calculator IndiaAdd or extract GST from an amount using an editable GST rate for India.→$TDS Calculator IndiaEstimate TDS from a verified taxable payment amount and user-entered deduction rate.→$CAGR & XIRR CalculatorCalculate CAGR for start/end values and estimate XIRR for irregular dated cash flows using a 365-day discounted cash-flow method.→$SIP / Investment Growth CalculatorProject monthly SIP or recurring-investment growth with editable return, contribution timing and annual step-up assumptions.→
Why ToolboxKart Finance 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.