Singapore Road Tax Calculator

Every registered car and motorcycle in Singapore pays road tax to the Land Transport Authority. The amount is calculated from engine capacity for petrol and diesel vehicles, or from motor power rating for fully electric vehicles, then multiplied by LTA's published 0.782 factor. Fully electric vehicles also pay an additional flat component (AFC) because they do not pay fuel excise duty at the pump.

This calculator applies the current OneMotoring private-car and motorcycle tables so you can estimate a 6-month or 12-month bill before you renew, compare a used car you are thinking of buying, or see how an EV's AFC changes the total versus a similar petrol car. Typical searches such as “road tax calculator Singapore”, “LTA road tax 1600cc”, and “Tesla road tax Singapore” all map to the same official formulas.

Road tax is due every six or twelve months. You can renew online on OneMotoring, via AXS, GIRO, or at inspection centres once insurance and inspection are in order. The figure on this page is an estimate; OneMotoring remains the source of truth for the amount charged to your vehicle.

1. Choose the vehicle type that matches the log card: petrol or CNG car, diesel car, fully electric car, petrol-electric hybrid, or motorcycle.
2. Enter engine capacity in cc for petrol, diesel, hybrid, and petrol motorcycles. Use the figure printed on the log card, not a rounded “1.6L” marketing label — a 1,598 cc car is not billed as 1,600 cc.
3. Enter motor power in kW for electric cars, electric motorcycles, and hybrids. For vehicles with more than one motor, LTA uses the combined maximum power rating.
4. Pick the diesel emission standard if you have a diesel car. Special tax is added on top of the petrol-equivalent road tax.
5. Enter completed years of age if the vehicle is more than 10 years old. LTA adds 10% from year 11, rising to 50% from year 15.
6. Choose 6 or 12 months. A 12-month renewal is two six-month amounts. Results update as you type.

LTA publishes six-month rates. The petrol and diesel car bands are:

• 600 cc and below: $200 × 0.782
• 601–1,000 cc: [$200 + $0.125 × (cc − 600)] × 0.782
• 1,001–1,600 cc: [$250 + $0.375 × (cc − 1,000)] × 0.782
• 1,601–3,000 cc: [$475 + $0.75 × (cc − 1,600)] × 0.782
• Above 3,000 cc: [$1,525 + $1 × (cc − 3,000)] × 0.782

Electric cars use power rating (kW) with the same 0.782 factor, then add $350 AFC every six months ($700 a year). Hybrid cars pay the higher of the petrol-cc amount and the electric-kW amount, without AFC, because hybrids still buy petrol and pay fuel excise duty.

Diesel cars pay the petrol-equivalent road tax plus special tax: six times petrol road tax minus $100 for Pre-Euro IV; $0.625 per cc minus $100 (minimum $525) for Euro IV; $0.20 per cc minus $100 (minimum $100) for Euro V, Euro VI, or JPN2009. New diesel car registrations stopped on 1 January 2025, but existing diesel cars still renew under these rules.

Motorcycles have a lower table: $40 × 0.782 up to 200 cc, then $0.15 per extra cc to 1,000 cc. Electric motorcycles add $100 AFC every six months.

• Renewing road tax: Check the 6-month or 12-month amount before you log in to OneMotoring, and see whether paying annually is simply double.
• Buying a used car: Compare a 1.5 L petrol hatchback with a 2.0 L SUV or a 10-year-old car that already attracts surcharge.
• Switching to an EV: Add the $700 yearly AFC to the kW-based road tax and stack it against a similar petrol car's fuel-excise-inclusive running cost.
• Keeping an old car: From year 11 the surcharge starts at 10% and reaches 50% from year 15, which often tips the decision to scrap or replace.
• Motorcycle owners: Estimate Class 2B, 2A, and 2 road tax, including electric scooters that pay AFC.
• Diesel owners: See how special tax dominates the bill on older Euro IV and Pre-Euro IV cars.

1,598 cc petrol car, under 10 years: [$250 + $0.375 × 598] × 0.782 = $474.25 × 0.782 = $370.86 for six months, or $741.72 for a year.

1,998 cc petrol car: [$475 + $0.75 × 398] × 0.782 = $773.50 × 0.782 = $604.88 for six months, or $1,209.76 a year — close to the familiar “about $1,210” figure for a 2.0 L SUV.

123 kW electric car: [$250 + $3.75 × 93] × 0.782 + $350 = $598.75 × 0.782 + $350 = $818.22 for six months including AFC, or $1,636.44 a year.

200 cc petrol motorcycle: $40 × 0.782 = $31.28 for six months.

1,598 cc petrol car that is 12 years old: base $370.86 plus 20% surcharge ($74.17) = $445.03 for six months.

• Formulas follow LTA OneMotoring's Vehicle Tax Structure page, verified 13 September 2026. LTA can revise bands; treat this page as an estimate.
• A 12-month renewal is two six-month amounts. There is no extra discount for paying a year in advance on these published tables.
• Age surcharge is “more than 10 years old”: 10% in the 11th year, 20% in the 12th, up to 50% from the 15th year. Enter completed years of age.
• Late renewal fees, inspection, insurance, off-peak car (OPC) rebates, weekend/off-peak conversions, taxis, goods vehicles, and buses are out of scope.
• Hybrid road tax is the higher of the engine-capacity and power-rating calculations. Fully electric cars add AFC; hybrids do not.
• Confirm the payable amount on OneMotoring before you pay. This tool does not submit a renewal.