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About this app

MM Pocket — The professional's pocket assistant. 26 tax, social security, and accounting calculators + 10 reference guides in one application. An indispensable tool for Certified Public Accountants, Chartered Accountants, and Financial Advisors.

🧮 TAX CALCULATORS
- Late Payment Penalty — Article 51 of the Tax Procedure Law, monthly rate + fraction of days
- Deferral Interest — Article 48 of the Tax Procedure Law, installment debt interest
- VAT Calculation — inclusive/exclusive, rate selection
- VAT Withholding — partial withholding (2/10, 5/10, 9/10…)
- Stamp Duty — contract, lease, tender, payroll
- Inflation Adjustment — CPI coefficient, Tax Procedure Law Article 147 298
- Rediscount — Tax Procedure Law Article 281 internal discount, Central Bank of Turkey rates
- Advance Rate Calculation — Central Bank of Turkey advance rate + rate table

💰 PAYROLL AND COMPENSATION
- Gross → Net payroll — Social Security, income tax, stamp duty, minimum wage exemption
- Net → Gross — iterative recalculation
- Severance Pay — with ceiling application, stamp duty deduction
- Notice Pay — automatic calculation based on seniority
- Rental Income — exemption, expense method, tax brackets

📊 FINANCIAL CALCULATORS
- Depreciation — normal and declining balance, annual table
- Bank Interest — simple/compound, withholding tax, maturity options
- Loan Installment — monthly installment, payment plan, total cost
- Financial Ratios — current ratio, ROE, ROA, leverage

📖 REFERENCE GUIDES
- Uniform Chart of Accounts — Classes 1-6 + 7/A and 7/B
- Tax Type Codes — Tax Administration collection codes
- Penalty Codes — Tax Procedure Law penalty types
- Certificate Upload Guide — e-Ledger deadlines
- Tax Calendar — declaration deadlines
- Social Security Institution Incentive Codes — Law No. 5510 incentive codes
- Social Security Declaration Codes — APHB document types
- e-Invoice Scenarios — Tax Administration scenario codes
- Employment Entry/Exit Codes — Social Security declaration codes
- Current Parameters — 2024/2025/2026 rates

✓ 2024, 2025, 2026 current rates and ceiling amounts
✓ Global search, favorites and recently used
✓ Share or copy results
✓ Works completely offline
✓ Does not collect personal data

IMPORTANT: This application was developed by an independent developer. This document does not represent GIB, SGK, or any other public institution. Calculation results are approximate values.

Official sources: gib.gov.tr ​​| sgk.gov.tr ​​| resmigazete.gov.tr ​​| tcmb.gov.tr ​​| hmb.gov.tr

Keywords: tax calculation, VAT calculation, payroll calculation, gross net, net gross, severance pay, notice pay, late payment penalty, deferral interest, stamp duty, depreciation calculation, rediscount, inflation adjustment, SGK calculation, financial advisor, Certified Public Accountant, Chart of Accountants, accounting, tax calendar, declaration, uniform chart of accounts, e-invoice, e-ledger, income tax, corporate tax, VAT withholding, customary interest calculation, loan calculation, interest calculation, rental income, tax brackets, minimum wage
26 tax and accounting calculators: payroll, VAT, severance pay, depreciation, discount.
Updated on
Sep 3, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

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