Every guide starts with a number, shows the formula or relationship behind it, and then attacks the assumptions. The goal is not more finance content. The goal is a better answer to: “What does this actually mean for my money?”
Cornerstone guide · Worked examples
What is compound interest—and what does time actually change?
Follow $100 per month across 10, 20, and 30 years, then separate the contribution math from the return assumption hiding inside the curve.
Read the guide →Long-term planning
9-minute guide
What is compound interest?
See $100 per month across 10, 20, and 30 years—and the assumptions hiding in the curve.
8-minute guide
Expense ratios and hidden fees
Follow a small annual percentage through 30 years of lost compounding.
7-minute guide
How to use a wealth calculator
Separate facts from assumptions, build a scenario range, and audit a precise-looking result.
Money questions & calculators
Live tool
What will my net worth be in 10 years?
Project the investable portion of your net worth while keeping contributions and modeled growth separate.
Live tool
When can I retire?
Estimate a portfolio target from spending and income, then test how long your assumptions could take to reach it.
Live tool
How much should I invest each month?
Work backward from a target, current balance, timeline, and assumed return.
Live tool
How much can quiet fees erase?
Compare two annual fee levels and see both the direct cost and the compounding that disappears with it.
Bitcoin math
8-minute guide
Bitcoin price targets explained
Translate a round-number prediction into market scale and the value of a real stack.
7-minute guide
Paper gains and volatility
Separate units, screen value, realized proceeds, and the math of recovering from a loss.
6-minute guide
What if Bitcoin drops 50%?
Stress-test the dollar loss before the red screen arrives.
7-minute guide
Dollar-cost averaging with Bitcoin
A four-month worked example showing exactly how fixed dollars become a changing amount of BTC.
Trust, methodology & security
Transparency
Calculator methodology
See the formulas, timing conventions, rounding rules, data sources, and known limitations.
Accountability
Editorial policy
How sources are selected, examples are checked, corrections are handled, and commercial relationships are separated.
Bitcoin security guide
Cold storage 101
Understand keys, backups, test transactions, inheritance planning, and common failure points.
What WealthClock does differently
We do not publish a target without showing the multiplication. We do not display a future value without separating contributions from modeled growth. We do not call a calculator result a forecast. The number is useful only when the assumption is visible.