Free tools
Free accounting solutions & tools
A collection of free calculators and tools designed to help you manage your finances — VAT, Zakat, end-of-service, profit margin, and more.
VAT calculator
Calculate VAT on your invoices at 0%, 5%, or 15%.
Zakat calculator
Calculate Zakat accurately per ZATCA standards.
Salary calculator
Calculate your net monthly salary after allowances, deductions, and social insurance.
End-of-service calculator
Estimate gratuity by wage, tenure, and reason for leaving.
ZATCA readiness check
Measure your readiness for ZATCA Phase 2 e-invoicing requirements.
Percentage calculator
Three core percentage results in one step.
Sales commission calculator
Calculate sales commissions from sales value and rate.
Profit margin calculator
Calculate gross, operating, or net profit margin.
Discount calculator
Calculate discount value and final price in seconds.
Contribution margin calculator
Calculate unit and total contribution margin in one step.
ROI calculator
Measure investment profitability and annualized return.
Compound interest calculator
Track investment growth with compound interest and monthly deposits.
Income tax calculator
Estimate corporate income tax on your business quickly.
E-invoice QR reader
Read e-invoice QR codes and verify invoice data.
Results are indicative only. For filings and compliance, work with your accountant and official ZATCA guidance.
From quick math to full books
Calculators help with one-off figures. ASAPI keeps accounting, ZATCA e-invoicing, inventory, and POS in one cloud workspace.