Estimate your Singapore income tax, the reliefs you can claim and the GST on a price. Rates and caps come from IRAS, and each calculator shows the working so you can check it against your tax bill.
Singapore Income Tax Calculator: Your YA2026 income tax from salary, bonus and itemised reliefs, with CPF relief worked out for you, the S$80,000 cap, and a YA2027 estimate.
GST calculator Singapore (9%): Add or remove 9% GST, use the 9/109 tax fraction, total an invoice per line or on the subtotal as IRAS allows.
Withholding tax calculator Singapore: Work out withholding tax on payments to non-residents: IRAS rates by payment type or a treaty rate, gross-up when you bear the tax.
Parent relief calculator: Check your YA 2026 Parent Relief: S$9,000 or S$5,500 per parent, S$14,000 or S$10,000 with disability, the S$8,000 income test.
Earned income relief calculator: Your YA 2026 Earned Income Relief by age: S$1,000, S$6,000 or S$8,000 (S$4,000 to S$12,000 with a disability), capped at earned income.
Donation tax deduction calculator: The 250% IRAS deduction on donations to IPCs, the income tax it saves at your rate, the real cost of the gift and the 5-year...
Singapore alcohol tax calculator: The duty and GST inside a beer, wine or spirits price on Singapore Customs' rates per litre of alcohol.
NSman tax relief calculator: Your YA 2026 NSman relief: S$1,500 to S$5,000 for NSmen by NS activity and key appointment, S$750 for wives and parents.
Singapore non-resident tax calculator: Work out non-resident tax for YA2026: employment income at 15% or resident rates, whichever is higher, director's fees and rent at 24%.
Cigarette tax calculator: See the duty and GST inside a pack of cigarettes after Budget 2026's 20% rise (58.9 cents per gram of each stick).
CPF top-up tax relief calculator: Work out the tax you save on 2026 cash top-ups: up to S$8,000 for yourself and S$8,000 for family, only up to the S$220,400 FRS.
ESOP tax calculator: Work out the income tax on gains from employee share options and share awards: the taxable gain on exercise or vesting.
Singapore tax relief calculator: Add up your YA2026 personal reliefs against the S$80,000 relief cap, see every IRAS relief and its limit.
Work from home tax deduction calculator: Work out the extra electricity, phone and WiFi costs IRAS lets you claim when your employer requires you to work from home.