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Reverse Sales Tax Calculator
Official 2026 Tax Guide

Singapore Reverse Tax Calculator (2026) - GST & Sales Tax

Need to remove GST from a total in Singapore? Use our free 9% reverse GST calculator to instantly extract tax and find the exact original price before tax.

SOURCE: LIVE RATES DATABASE & OFFICIAL AUTHORITIES
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The standard GST rate for Singapore is pre-filled. You can adjust this manually if needed.

Standard Rate

9.00%

Alternative Rate

9%

Combined Rate

9.00%

Ritu Sharma Umesh Kant Sharma

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Update: October 2026

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Ritu Sharma

Tax Research Analyst (M.Com, Accounts & Law) focused on rate tracking and editorial review.

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Umesh Kant Sharma

Senior Revenue Technologist with 13 years of revenue and business experience.

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Verified against official 2026 revenue schedules for Singapore.

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Understanding Singapore's Tax System

Singapore uses a Goods and Services Tax (GST) at a rate of 9% (raised from 8% to 9% on January 1, 2024, as part of a two-step increase from the previous 7% rate). Singapore's GST applies to most goods and services supplied in Singapore by GST-registered businesses, with zero-rating for exports and international services. There are no reduced rates — Singapore's GST is a clean, single-rate system with either 9% or 0%.

Singapore introduced GST in 1994 at 3% and has gradually increased it over the decades to fund growing public expenditure — particularly healthcare costs associated with an aging population. The government has consistently paired GST increases with offset packages to protect lower-income households. Singapore's GST system is one of the most efficiently administered in the world, with IRAS known for clear guidance, digital compliance tools, and consistent enforcement.

Why Reverse Tax Calculation Matters in Singapore

Singapore is a major global financial and trading hub, and its GST system has implications well beyond its small geographic footprint. As a key ASEAN business hub, Singapore is the regional headquarters for hundreds of multinational companies. The GST rules for financial services, fund management, insurance, and digital economy transactions are particularly important given Singapore's role in Asian finance.

For the millions of tourists and business visitors to Singapore, the 9% GST is visible on all receipts. Singapore operates a Tourist Refund Scheme allowing non-residents to claim GST refunds on purchases. The Reverse GST Calculator is useful for determining the pre-GST price of any Singapore purchase — whether for expense reporting, tax refund calculations, or business accounting.

Singapore Tax Rate Categories

GST Rate
9% (Standard)
Category
Most goods and services in Singapore
Examples
Electronics, clothing, restaurant meals, hotel stays, professional services, most retail goods
GST Rate
0% (Zero-rated)
Category
Exports and international services
Examples
Goods exported from Singapore, international services (services benefiting persons outside Singapore), cross-border digital services supplied to GST-registered businesses
GST Rate
Exempt
Category
Financial and residential
Examples
Financial services (most), sale and lease of residential properties, importation and local supply of certain investment precious metals
GST Rate
Out-of-Scope
Category
Non-Singapore transactions
Examples
Private transactions, sale/purchase of goods remaining overseas, purely overseas services

Real-World Reverse Tax Calculation Example

You dined at a restaurant in Singapore and your bill came to SGD $163.62 (including 9% GST).

  • Convert GST rate: 9% ÷ 100 = 0.09
  • Add 1: 1 + 0.09 = 1.09
  • Divide: SGD $163.62 ÷ 1.09 = SGD $150.11 (pre-GST cost)
  • GST: SGD $163.62 − SGD $150.11 = SGD $13.51
  • ✓ Pre-GST meal cost: SGD $150.11 | GST (9%): SGD $13.51 | Total: SGD $163.62

Singapore Tax Compliance & Registration

Singapore businesses must register for GST when annual taxable turnover exceeds SGD $1 million — one of the highest registration thresholds globally, reflecting Singapore's business-friendly approach. Voluntary registration is available below this threshold. GST returns are filed quarterly with IRAS. Since January 2020, overseas digital service providers selling to Singapore consumers must register for GST if their annual Singapore digital sales exceed SGD $100,000. Since 2023, this extended to overseas suppliers of low-value goods imported to Singapore.

Official Citations & Sources

  • Information formatted according to the official Inland Revenue Authority of Singapore (IRAS) guidelines.
  • GST rates verified for the 2026 Singapore tax year (9% standard).
  • Official Link: IRAS — GST Overview

Frequently Asked Questions — Singapore

Singapore raised its GST from 8% to 9% on January 1, 2024. This was the second step of a two-part increase announced in Budget 2022 — the first step raised GST from 7% to 8% on January 1, 2023. Both increases were accompanied by substantial offset packages to help lower-income Singaporeans manage the higher tax burden.
Yes. Under Singapore's Tourist Refund Scheme (TRS), visitors can claim GST refunds on goods purchased from participating retailers and brought out of Singapore. Purchases must be at least SGD $100 (before GST) per receipt from the same retailer. Claims are made at self-help kiosks at Changi Airport or the Singapore Cruise Centre before departure.
Most financial services in Singapore are GST-exempt, meaning GST is not charged on banking fees, loan interest, insurance premiums, and most investment products. However, financial institutions cannot claim input GST on their costs related to exempt supplies, which can be commercially significant. Some financial services supplied to overseas clients may qualify for zero-rating.
Yes. Since January 2020, overseas businesses providing digital services (streaming, apps, software, digital content) to Singapore consumers must register for GST if their Singapore sales exceed SGD $100,000 annually. Since 2023, this extended to overseas sellers of physical low-value goods (under SGD $400) shipped to Singapore consumers.
Singapore's GST registration threshold is SGD $1 million in annual taxable turnover — significantly higher than most countries. This high threshold means only larger businesses are required to register, reducing compliance burden for small enterprises. Voluntary registration is available for any business making taxable supplies, which allows them to claim input GST on their business expenses.

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Understanding Different Tax Jurisdictions

Looking for a different jurisdiction? Compare calculators for other global regions:

New Brunswick

15.00%

Nunavut

5.00%

Brazil

17.00%

Saskatchewan

11.00%

France

20.00%

Prince Edward Island

15.00%
🇺🇸

United States Tax Structure

Explore individual calculators and detailed tax rates for all 50 US states.

Explore All 50 States

Other World Tax Rates

United Arab Emirates (UAE) 5% VAT South Korea 10% VAT Australia 10% GST New Zealand 15% GST Japan 10% Consumption Tax India 18% GST Singapore 9% GST Mexico 16% IVA Brazil 17% ICMS

Legal Disclaimer: While we strive to maintain accurate and up-to-date tax rate information from reliable sources, tax rates can change frequently. Always verify current rates with your local tax authority or a qualified tax professional for official tax matters. This calculator is for informational purposes only and does not constitute professional tax, legal, or financial advice.

Last Updated: October 2026 Rates Subject to Change