Fighting the climate crisis on an individual level can feel futile, but knowledge is power. Here's how to understand and calculate your own carbon footprint. Our team tests, rates, and reviews more ...

Calculating stock growth rates can be challenging and seem intimidating, especially with all the numbers and terminology getting thrown around. Every investor has a preferred way of calculating that ...

The world of microeconomics and business decision-making hinges upon a key concept: marginal cost. In the simplest terms, marginal cost represents the expense incurred to produce an additional unit of ...

John Egan is a veteran personal finance writer whose work has been published by outlets such as Bankrate, Experian, Newsweek Vault and Investopedia. Michael Adams is a former Cryptocurrency and ...

Mary Beth Eastman is a contributor to Buy Side and finance expert, specializing in loans, mortgages and insurance. Staff Personal Finance Editor, Buy Side Valerie Morris is a staff editor at Buy Side ...

You don’t have to be a math whiz to figure out how much you'll earn with a CD. David McMillin writes about credit cards, mortgages, banking, taxes and travel. Based in Chicago, he writes with one ...

Calculate annual % change by dividing start by end value, raising to inverse years, minus one, times 100. Ex: a drop from $15M to $10M over 2 years is a 18.4% average annual decline. This calculation ...

Home equity is the portion of a house that the homeowner holds outright — the difference between the house's value and the total amount they owe on the home. As their equity increases, homeowners can ...

Elysse Bell is a finance and business writer for Investopedia. She writes about small business, personal finance, technology, and more. Erika Rasure is globally-recognized as a leading consumer ...