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SST calculator (sales & service tax)
Enter an amount and pick the SST rate — the service and sales tax rates in the list come from the current rules. Tick if the amount already includes SST to work the base price out backwards. This finance calculator runs in your browser.
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Service tax & sales tax
SST is two taxes: service tax on taxable services (restaurants, hotels, professional services, telecommunications and others, with a different rate for certain categories) and sales tax on taxable goods that are manufactured or imported. The rates shown in the calculator update from the current rules; the real rate depends on the type of goods or service and the effective date — confirm with Customs (MySST) or your invoice.
Only SST-registered businesses charge SST; small businesses below the registration threshold do not. Consumers usually see SST as a separate line on a receipt or invoice.
SST in invoices & business records
SST-registered businesses must show SST separately on invoices — our free invoice generator does that at the current rate. Inside the app, SST on business receipts is split out in the accounting export so your accountant gets the right tax component.
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Frequently asked questions
How do I work out the price before SST from a total?
Tick "Amount already includes SST": base price = total ÷ (1 + rate), and SST is the difference. The calculator does it instantly at the selected rate.
My goods or service rate is not in the list?
Choose "Other rate" and enter the percentage from the current Customs rate list or your supplier's invoice — the calculator accepts any rate.
Is SST the same as income tax?
No. SST is a consumption tax collected by Customs on goods and services; income tax is collected by LHDN on your income. Our tax calculator works out income tax with the current LHDN rates and reliefs.