Figuro Blog
Longer explainers on the math and formulas behind our calculators — for when a quick result isn't quite enough context.
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How Is BMI Calculated? A Complete Guide to Body Mass Index
What BMI actually measures, the exact formula behind it, how the standard categories are defined, and where BMI falls short as a health indicator.
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Compound Interest Explained: How Your Money Grows Over Time
The difference between simple and compound interest, why compounding frequency matters more than people expect, and a worked example you can follow by hand.
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How Mortgage Payments Are Calculated (And Why They're Mostly Interest at First)
The amortization formula behind every fixed-rate mortgage payment, and why your early payments barely touch the principal.
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