Local banks and credit unions usually offer the best rates. Major banks, such as Chase or Bank of America, often offer the added benefit of having ATMs overseas. Online peer-to-peer foreign currency exchanges. Online bureaus or currency converters, such as Travelex, provide convenient foreign exchange services.

Here's a quick method: Take the amount in CAD. Multiply it by 0.75. For example, if you have 100 CAD: - 100 CAD × 0.75 = 75 USD. If you want a rough estimate, you can also divide the CAD amount by 4 and then subtract 10% of that result. This will give you a close approximation without the need for precise calculations.