One mile is 1.609 Kilometers.   One KM is 0.621 miles.   But the better answer would be 1.609344 kilometers in a mile.
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How Accurate is Credit Karma Score. The Credit Karma score accuracy question comes down to how typical you are as a user of credit. If your credit profile is one with typical amount of debt, income, ratios, and payment history, your CreditKarma.com score will be pretty accurate.