Accounting Tools
Tax, depreciation and invoice tools for accountants
Select a tool below. Every tool runs locally in your browser and is free to use.
🧾 Accounting Tools · Total 12 tools
Bank Interest CalculatorCalculate deposit interest with simple or compound (incl. monthly) methods - for savings planning.
Break-Even CalculatorCalculate break-even units, revenue and contribution margin from fixed costs and pricing.
China Salary Tax CalculatorCalculate China's monthly individual income tax with social insurance and special deductions using progressive rates.
Chinese RMB Amount in WordsConvert numbers to the standard Chinese financial uppercase used on invoices, contracts and reimbursements.
Asset Depreciation CalculatorCalculate asset depreciation with straight-line, double-declining and sum-of-years methods, with yearly schedules.
GST CalculatorCalculate Indian GST (5/12/18/28%) - add GST to a net amount or remove it from a gross amount.
Late Fee CalculatorCalculate late-payment interest from amount, annual rate and overdue days.
Margin & Markup CalculatorCompute profit, markup percentage and gross margin from cost and selling price.
Payback Period CalculatorCalculate the static payback period from initial investment and annual net cash flow.
ROI CalculatorCompute total ROI, annualized ROI and profit from investment amount, final value and years.
Sales Tax CalculatorAdd sales/VAT tax, remove tax from a gross amount, or calculate tax only - for US, EU and other tax systems.
VAT CalculatorConvert between gross and net prices with VAT, supporting common rates and custom rates.
FAQ
What is the Accounting Tools category?
The Accounting Tools category includes 12 free online tools for common needs. All run locally in your browser - no sign-up or install required.
Are these tools free?
Yes, all tools are free with no usage limits.
Do I need to register?
No. Open a page and use it right away - your data stays in your browser.
Which languages are supported?
This site supports 12 languages: Chinese, English, Japanese, Korean, Spanish, French, German, Portuguese, Russian, Arabic, Indonesian and Hindi.