Tax calculators

Singapore GST calculator: calculate GST amount, net price, and total price

Singapore GST calculator
Calculate net, GST, and total for local sales, imports, and low-value overseas purchases at 9%.
Advanced mode
Results
Net amount (before GST)0,00 SGD
GST amount0,00 SGD
Total (after GST)0,00 SGD
GST rate9%
GST-exclusive amount.
GST is rounded to the nearest cent. Cash rounding (if selected) rounds the total bill to the nearest $0.05.

Examples

Typical local service, GST-exclusive
Amount S$200.00, GST-exclusive, standard-rated (9%) → GST S$18.00, total S$218.00.
Overseas LVG purchase with shipping
Sales value S$395.00 + shipping S$25.00, GST-registered platform → GST S$37.80, total S$457.80.
This calculator estimates Singapore GST (Goods and Services Tax) for the most common scenarios: local purchases or sales (GST-inclusive or GST-exclusive), zero-rated or exempt supplies, and imports including overseas Low-Value Goods (LVG) purchases shipped by air/post. You only need the amount, whether it includes GST, and whether the transaction is a local supply, import, or LVG purchase. Singapore’s standard GST rate is 9% for standard-rated supplies from 1 Jan 2024. Zero-rated supplies are taxed at 0% (commonly exports and qualifying international services), while exempt and out-of-scope supplies do not attract GST. Import GST is generally computed on CIF (cost + insurance + freight) plus customs duty payable, and air/post imports may qualify for relief when CIF ≤ S$400 (with exclusions like liquor/tobacco). For LVG bought online and imported via air/post, GST may be charged at checkout by GST-registered overseas suppliers/platforms under the Overseas Vendor Registration (OVR) regime. The S$400 test is based on sales value (excluding shipping/insurance, GST, and duties), but GST (when charged) is on the value of supply, which includes shipping/insurance you pay. Verified 29 Jan 2026 (Europe/Madrid). Informational estimate only—use IRAS/Singapore Customs guidance and your invoice/permit for legal or tax filings.

FAQs

What is the current GST rate in Singapore?

It is 9% for standard-rated supplies (effective 1 Jan 2024).

How do I calculate GST from a GST-inclusive price?

Use: GST = Total × r / (1 + r). For 9%, GST = Total × 0.09 / 1.09.

If a business is not GST-registered, can it charge GST?

Typically, only GST-registered businesses charge GST on standard-rated supplies.

When is GST charged at 0% (zero-rated)?

Commonly for exports of goods and qualifying international services, subject to conditions.

What’s the difference between “zero-rated” and “exempt”?

Zero-rated is taxable at 0% (often still reportable), while exempt supplies are not taxable (GST not charged).

Which supplies are commonly exempt from GST?

IRAS lists exemptions applying to, among others, most financial services and sale/lease of residential properties.

How is import GST calculated in Singapore?

Generally on CIF (cost + insurance + freight) plus customs duty payable (and relevant incidental charges).

Do I pay GST on overseas items under S$400?

Often yes if they are Low-Value Goods (≤ S$400 sales value) shipped by air/post and bought from a GST-registered overseas supplier/platform—GST is charged at checkout.

For the S$400 LVG test, does shipping count?

For determining LVG threshold, sales value excludes shipping/insurance, GST, and duties—but GST (when charged) is on the value of supply, which can include shipping/insurance you pay.

Is there still import GST relief for air/post shipments ≤ S$400?

IRAS notes import GST relief may apply for air/post shipments with CIF ≤ S$400 (excluding liquor/tobacco), but LVG bought from GST-registered suppliers may have GST charged at purchase instead.

Why might my receipt total differ from the calculator?

Differences can come from rounding: GST rounded to the nearest cent, and some businesses may also round the final bill to the nearest $0.05 for cash payments.

Note: This calculator provides an estimate. Rates can vary by region and change over time. It is not tax advice.

See more in calculators for Singapore.

Sources