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Money math you can actually follow.

Most calculators hand you a number and leave. HonestFigure shows you how the number is built — so you understand the decision, not just the digit.

Compound interest

See what regular saving plus time actually does.

$
$
%
years
Projected balance
$
After 20 years
You put in
Interest earned

Mortgage payment

Monthly principal & interest on a home loan.

$
$
%
Monthly payment
$
Principal & interest only
Loan amount
Total interest paid
Total of payments

Loan & auto payment

Any fixed-rate loan — car, personal, student.

$
%
months
Monthly payment
$
Fixed for the full term
Total interest
Total repaid

Retirement projection

Roughly where your nest egg lands at retirement.

years
years
$
$
%
Estimated at retirement
$
Total contributed
Growth
Est. monthly income (4% rule)
Ad space — in-content unit

Understand the why

Short, jargon-free explainers from someone who spent 12 years inside financial regulation. No fluff, no affiliate spam — just the mechanics.

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About HonestFigure

HonestFigure is built and maintained by a financial-compliance professional with over a decade of experience in financial crime and regulation. Every calculator here is hand-checked against the underlying formula, and every explainer is written to be understood — not to sell you something. We don't take lead-gen kickbacks for steering you toward a product. The goal is simpler: give people honest tools to make their own money decisions.