Car insurance premium calculator

Why doesn't this number match my renewal notice exactly?

Because no website can know your insurer's private discount. That's the honest answer, and you should be wary of any calculator that claims otherwise.

What this calculator does know exactly is the third-party premium (fixed by notification), the GST rate, your IDV band, the NCB slab and the deductible rules. The one unknown is how much discount your insurer gives on the own-damage rate. So by default we show the own-damage premium at the old reference tariff rate with no insurer discount, which works as a ceiling. Then we let you add the discount yourself.

Here's the useful trick. Enter the same details as your quote, then raise the insurer discount field until our own-damage figure matches the own-damage line on your quote. That percentage is the real discount that insurer is giving you. Do it for two or three quotes, and you'll see instantly which one is genuinely cheaper and which only looks cheaper because of a lower IDV.

What details do I need to fill in?

All of it is on your RC and last year's policy schedule:

• Fuel type and engine cc (or motor power in kW for an electric car). Printed on the RC.
• Registration city. Only matters if it's one of the eight Zone A metros.
• Date of first registration, from the RC. This decides your car's age band.
• Ex-showroom price of your variant today, or tick the box and enter the IDV from your renewal notice if you'd rather use the insurer's figure.
• NCB on the new policy. One step higher than last year if you made no claim.
• Add-ons and PA cover, if you want the full amount payable. Take these prices from your quote.

If you don't know a figure, leave the optional fields empty. The required ones are marked, and the calculator points out anything missing.

How do I read the result?

The result comes in two blocks, because your premium really is two different things:

1. Own damage, priced by each insurer. This shows the basic rate on your IDV, then every discount in the order insurers apply it: voluntary deductible, anti-theft, insurer discount, and finally NCB. This is the block where quotes differ.
2. Third party and extras. The third-party premium (identical everywhere for your engine size), your add-ons, PA cover and GST.

The big number at the top is the total you'd pay, GST included. Under it, we show the IDV, zone, engine band and age band we used, so you can check we read your car correctly.

Why does the own-damage figure look so high?

Because it's the reference tariff rate with no insurer discount. Own-damage pricing was freed from the tariff in 2007, and most insurers now charge well below it, often 40% to 70% less, especially for cars with a good claim history. Treat our default own-damage figure as the most you'd reasonably expect to pay, not as what you will pay. Enter a discount to bring it in line with real quotes.

What can make my real premium different from this estimate?

• The insurer's discount, as explained above.
• The exact model and variant. Some insurers load premiums for models with high claim costs.
• Your claim history, beyond NCB.
• The IDV the insurer chooses within its allowed band.
• Add-on prices, which vary a lot more than the base premium.
• Rounding. Insurers round individual lines, so a few rupees' difference is normal.

Why do you ask for add-on prices instead of estimating them?

Because add-on pricing varies so much between insurers that any estimate would mislead you. Zero depreciation on the same car can cost very different amounts at two companies. Rather than inventing a number, we let you type the figure from your quote. If you don't have a quote yet, leave it at zero and remember the total will be higher.

Is the third-party part in this calculator accurate?

Yes. It uses the notified base premiums in force since 1 June 2022: ₹2,094 up to 1,000 cc, ₹3,416 for 1,001 to 1,500 cc and ₹7,897 above 1,500 cc, plus GST. Electric cars use the kW slabs. We check these rates regularly and show the date we last checked at the bottom of this page. If a revision is notified, we update the calculator.

My car is more than five years old. Why is it asking for depreciation?

After five years there is no standard IDV table. The value is agreed between you and the insurer, based on used-car prices and condition. So the calculator asks for the depreciation you expect. A good shortcut is to tick "I already know the IDV" and type the IDV from your renewal notice instead.

How should I treat an electric car?

Third-party premiums for EVs are exact, because they're notified by kW. Own damage is trickier: the old tariff had no electric car category, so we rate EVs like a 1,001 to 1,500 cc car and tell you so in the result. Use the insurer discount field to match a real EV quote, which is the reliable way to compare EV policies.

A second example: an SUV in a metro

A 1,956 cc diesel SUV is registered in Mumbai (Zone A), three years old, with an IDV of ₹15,00,000 from the renewal notice. The owner has 35% NCB, an anti-theft device, a ₹15,000 voluntary deductible, and the quote shows a 50% insurer discount, add-ons of ₹4,500 and PA cover of ₹375.

Notice how much the order matters. NCB is applied last, on the already-discounted figure. That's why its rupee value is smaller than people expect.

How often are the rates in this calculator updated?

We check the third-party rates, GST and standard tables regularly, and whenever a change is announced. The date of the last check is printed at the bottom of this page. If you spot a figure that has changed and we haven't caught it, please tell us through the contact page.

Is my data saved anywhere?

No. The calculation runs entirely in your browser. Nothing you type is sent to us or stored. You can refresh the page and it's gone.

What should I do with the result?

Use it as a yardstick. If a quote's own-damage figure is far above our estimate with a sensible discount, ask the insurer why, or get another quote. If a quote is far below, check its IDV and add-ons before you get excited. Then read our guide on how the premium is calculated for the reasons premiums rise and the moves that genuinely bring them down.

Rates last checked: 8 November 2026. Content updated 8 November 2026.