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Thailand Corporate Income Tax (CIT) Calculator

Calculate corporate income tax in Thailand under the Revenue Code: standard 20% CIT, SME tiered rates (0% first 300k, 15% up to 3M, 20% excess), and BOI investment incentives in Thai Baht (THB, ฿).

Parameters & Inputs

Thailand 🇹🇭
THB (฿) / year

Statutory Calculation Breakdown

THB (฿ / Baht)
Net Taxable Corporate Profit
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Corporate Income Tax (CIT) Payable
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Effective Corporate Tax Rate
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Statutory Tax Savings vs 20% Flat Rate
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Retained Net Corporate Earnings
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Estimated Mid-Year Tax Installment (PND 51)
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Thailand Statutory Authority & Legal Framework: Complies with the Revenue Code of Thailand and Royal Decree issued under the Revenue Code regarding SME tax concessions.

About This Thailand 🇹🇭 Statutory Calculator

This calculator has been custom-developed in strict adherence to the statutory codes and taxation laws of the Kingdom of Thailand (ราชอาณาจักรไทย), including the Revenue Code (Krom Sanphakon), the Customs Act B.E. 2560, the Land and Building Tax Act B.E. 2562, the Energy Regulatory Commission (MEA/PEA), and the Motor Vehicle Act B.E. 2522 (DLT).

All calculations are modeled in Thai Baht (THB, ฿) for individuals, corporate accountants, property owners, and international businesses.

📊 ตารางเปรียบเทียบตามกฎหมายไทย (กรมสรรพากร และ กระทรวงแรงงาน)

รายการตามกฎหมาย / รายการคำนวณ จำนวนเงินที่คำนวณได้ (บาท)
ยอดสุทธิ / การจ่ายชำระหลัก 0.00 บาท
MS

Engr. Muhammad Shahzad

Principal Financial Systems Architect & Thai Statutory Compliance Specialist

Lead software and systems architect specializing in high-performance browser computing, algorithmic validation, financial models, and zero-telemetry client-side privacy architecture.

Verified Profile & Methodologies →