Car Insurance Discount Calculator

See what a percentage discount (winter tires, bundling, telematics, multi-vehicle) is worth in dollars on your premium.

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Discount in dollars
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Premium after the discount
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Illustrative estimate only — not an offer or quote.

Insurers advertise discounts as percentages, but a percentage is only worth something in dollars, and only on the part of the premium it applies to. A winter tire discount, for example, may apply to the whole policy or only to certain coverages, depending on the insurer. Ask which coverages each discount applies to, then enter that portion of the premium here.

How it works. Discount = premium x discount % / 100; premium after discount = premium - discount.

Worked example (illustrative). A 5% discount applied to $1,800 of premium is worth $1,800 x 5 / 100 = $90 a year. If the same discount applied to the full $2,400 policy it would be worth $120.

Stacking. Insurers usually apply discounts one after another, not by adding the percentages. A 10% bundling discount followed by a 5% winter tire discount on $2,000 gives $2,000 x 0.90 = $1,800, then $1,800 x 0.95 = $1,710: a total of $290, or 14.5%, not 15%. To check a stack, run the tool once per discount, using the previous result as the new premium.

Limits. A discount is only worth taking if the condition attached is something you would do anyway. Telematics programs may also be able to raise your price or affect renewal terms depending on the insurer and province, so read the program terms. A discount on an overpriced quote can still lose to a cheaper quote without it. Figures are illustrative.

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