From shells to smartphones
Every dollar has a story. Learn yours.
How money began, how it really works and how to use it wisely today. Plain-English guides, free calculators and family activities.
Six chapters
Follow money from past to present
Read in order, or jump to what you need today.
The History of Money
From shells and barter to coins, paper, banks and the phone in your pocket.
Explore →02How Money Works
Inflation, interest, credit, debt and purchasing power, explained plainly.
Explore →03Your Money Today
Paychecks, budgeting, spending habits and emergency savings.
Explore →04Growing Your Money
Compounding, investing basics, diversification and patience.
Explore →05Money Mistakes
Impulse buys, lifestyle creep, hidden fees, scams and get-rich-quick traps.
Explore →06Money & Family
Teaching kids about money, allowances, and talking about money at home.
Explore →Money through the ages
Thousands of years in a few minutes
Money is an idea built on trust, and it has changed shape again and again. See the turning points that led to the card in your wallet.
See the full timeline- Ancient timesBarter and commodity money such as grain, livestock, salt and shells.
- c. 7th century BCSome of the first standardized coins appear in Lydia (modern Turkey).
- 11th centurySong dynasty China issues government paper money.
- RenaissanceItalian banking families develop letters of credit and double-entry bookkeeping.
- 1792The U.S. Coinage Act establishes the dollar and the U.S. Mint.
- 1913The Federal Reserve is created as the U.S. central bank.
Start here
Popular guides
The First Coins: Metal You Could Count
How standardized metal coins began in ancient Lydia, why stamped coins made trade easier, and how coinage spread across the world.
Budgeting Basics: A Plan for Every Dollar
Simple budgeting methods, the 50/30/20 rule and zero-based budgeting, and how to build a budget you'll actually keep.
Compounding: Growth on Top of Growth
How compounding works, why starting early matters so much, and the rule of 72 for estimating how fast money doubles.
Free tools
Run your own numbers
Calculators run in your browser. Nothing you type is sent anywhere.
Compound interest calculator
See how saving and investing grow over time.
Inflation calculator
See how rising prices change what money can buy.
50/30/20 budget calculator
Split take-home pay into needs, wants and savings.
Emergency fund calculator
Set a savings target for the unexpected.
Debt payoff calculator
Find out how long it takes to pay off a balance.
Savings goal calculator
Find what to save each month to reach a goal.
For families
Make money a family conversation
Kids learn money habits by watching. Use our age-by-age guide, printable worksheets and an eight-question quiz to turn the story of money into dinner-table talk.