1. What is Singapore Income Tax?

Singapore operates a progressive resident tax rate system that starts at 0% and ends at 22% for income above S$320,000. For the Year of Assessment 2025, residents may qualify for various tax reliefs to reduce their chargeable income.

2. How Does the Calculator Work?

The calculator uses the basic tax formula:

Where:

• \( Income \) — Chargeable income in SGD
• \( Rate \) — Applicable tax rate (decimal)
• \( Reliefs \) — Total tax reliefs in SGD

Explanation: The calculator applies the tax rate to your income and subtracts any eligible reliefs to determine your final tax liability.

3. Importance of Tax Calculation

Details: Accurate tax estimation helps with financial planning, ensures compliance with IRAS regulations, and allows for proper budgeting of tax payments.

4. Using the Calculator

Tips: Enter your chargeable income in SGD, the applicable tax rate (as a decimal between 0-1), and the total value of your tax reliefs. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What are common tax reliefs in Singapore?
A: Common reliefs include Earned Income Relief, CPF Relief, Parent Relief, NSman Relief, and Course Fees Relief.

Q2: How is the tax rate determined?
A: Singapore uses progressive tax rates from 0% to 22% based on income brackets. The calculator allows you to input your specific rate.

Q3: When is income tax due in Singapore?
A: For Year of Assessment 2025, taxes are typically due by April 15, 2026, though exact dates may vary.

Q4: Are there tax exemptions?
A: Certain incomes like capital gains and dividends from Singapore companies are tax-exempt for residents.

Q5: How can I pay less tax legally?
A: Maximize eligible reliefs, contribute to SRS, and make CPF voluntary contributions where applicable.