Multicalify Blog

Practical guides, explanations, and examples that support Multicalify calculators. Explore financial tools, health calculators, business calculations, math resources, and everyday calculation guides.

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Guides

W-2 Box 12 Code TT Explained

Form W-2 Box 12 is where employers report special wage amounts using letter codes. Code TT is the overtime-related Box 12 code workers look for when federal rules…

Updated August 17, 2026

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Guides

How Much Is COBRA per Month?

Understanding COBRA starts with a plain definition, then the variables that move the number up or down. This guide shows why the sticker shock is the loss of…

Updated October 16, 2026

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Guides

Escrow Analysis Explained

An escrow analysis is your mortgage servicer’s periodic review of the account that pays property taxes and insurance on your behalf. The servicer projects upcoming bills, checks your…

Updated August 17, 2026

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Guides

Why Did My Mortgage Payment Go Up?

Most fixed-rate borrowers are surprised when the total monthly mortgage payment rises even though the note rate never changed. The usual culprit is the escrow portion, not the…

Updated August 17, 2026

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Guides

What Is Dimensional Weight?

Dimensional weight (DIM weight) is how parcel carriers convert a package’s size into a billable “weight.” If your box is large but light, you often pay for the…

Updated October 20, 2026

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