You can find the value of a dollar dating back to 1635

The US has used a wide variety of different currencies between the 1690s and today

From colonial money to national banknotes, people have used all kinds of forms of currency throughout the history of the United States before settling on the dollar bills and quarters that we pay for things with today.

The dollar’s value stems from public trust and demand

In simple terms, a dollar bill’s value relies on two elements: that people believe it will be accepted in exchange for goods and services, and how much demand for the currency there is.

The value of a dollar differs from state to state

Did you know that $100 is worth 26% less in California than in Arkansas? The value of a dollar isn't consistent in every US state due to a multitude of factors, such as taxes and other varying cost-of-living differences.

The lifespan of a dollar bill

Durable, made of a cotton blend, and with billions in circulation, the common dollar bill is made to last. This video from 1440 goes inside the life of the country's paper currency, from printing to purchasing, in this quick 60-second overview.

The highest inflation in US history was estimated at 30% in 1778

This was just after the Revolutionary War. Both World Wars also brought double-digit inflation. It's worth noting that exact inflation rates in early America are difficult to calculate precisely.

Is Domino’s pizza inflation-proof?

A Big Mac Extra Value Meal is nearly $11 in 2025, compared to $4.59 in 1993. A Taco Bell crunchy taco costs $1.79 today, but was only 59 cents in 1990. Inflation impacts the price of many fast-food items—but the price of a Domino's pizza hasn't changed much at all in the past two decades.

How much money you'd have now if you bought bitcoin years ago

Do you ever wonder how much money you'd have now if you bought bitcoin in 2019? 2018? 2017? This calculator provides the answer. Plug in the amount of bitcoin you would have purchased, plus the year and the currency.

The British pound is the oldest currency still in use

Also known as the “pound sterling,” the British pound is more than 1,200 years old. It dates back to around 775 CE, but it didn’t become the official currency of England until the 12th century. One pound originally represented a pound of silver. The below graphic shows some of the other oldest currencies still in use today.

The US dollar's value weakened significantly in 2025 amid tariffs

Experts at US Bank predicted in August 2025, that the downward trend was likely to continue, although they acknowledged that uncertainty remains high. As tariffs moved to the center of the White House’s agenda, all G10 currencies grew stronger against the dollar—the Swiss franc even posted double-digit gains.

Visualizing 40 years of interest rates

The history of interest rates are a proxy of macroeconomic conditions, with higher interest rates indicating periods of decline requiring artificial central stimulation. In a series of charts illustrating rates and their background conditions, you can see the movement of the economy over a forty-year period ending in 2020. Dive into the data here.

Stablecoins could give people in high-inflation economies access to stronger currencies

Specifically, stablecoins could provide a way to make sure these funds remain valuable during times of volatility. Some examples of people without access to the US dollar using stablecoins as a store of value have been observed in Venezuela.

See silver price rallies over time

Silver prices hit an all-time high in January 2026 at $121.67 per ounce. Silver has experienced several rallies over the past six decades, often driven by macroeconomic stress.

See how the cost of college tuition has changed overtime

Since the middle of the 20th century, higher education has been viewed as a stepping stone to well-paying professional careers for millions of Americans. But, it can be costly. As of 2024, annual tuition currently ranges from around $10K for an in-state, four-year public university to almost $40K for private institutions.

Housing prices have skyrocketed over the last 50 years

After adjusting for inflation, housing costs have more than doubled since 1965. And based on average incomes, buyers are spending more than five times their income for a home versus buyers in 1965, who typically spent less than three times their income.

Read about how reality TV show prizes have been diluted by inflation

The TV show "Survivor," for instance, premiered in 2000, and the $1M prize money hasn't increased since. Adjusted for inflation, the value of $1M in 2000 is about $519K in 2026.

The US dollar is the most widely circulated currency in the world, and is involved in nearly 90% of global transactions

See every time the minimum wage has been raised

Unlike some other nations, the US minimum wage isn’t tied to inflation. So instead of it automatically rising alongside the cost of living, Congress has to vote to raise the minimum wage every time they think it’s necessary.

Today, the rapper 50 Cent would be 109 Cent

While the rapper 50 Cent got his name decades ago, adjusted for inflation, 50 Cent would be 109 Cent as of 2025.

The value of a 400 oz gold bar hit $1M for the first time in 2024

On Aug. 16, 2024, the gold bar size often seen in movies hit $1M in value for the first time when the price of gold reached $2,500 per troy ounce. A data visualization shows what other gold bar sizes are worth and compares them to the size of an iPhone.

Calculate the value of a paper savings bond

An IRS tax refund is the only way to buy a paper savings bond, but if you have an old paper savings bond you can determine its current value with this calculator. The calculator only works for paper savings bonds of Series EE, Series I, Series E, and savings notes.

The Dow Divisor keeps the index consistent through time

To adjust for stock splits, mergers, and replacements, the DJIA uses a figure called the Dow Divisor. Originally valued around 12 in 1896, and now less than one, it ensures today’s index levels remain comparable with the past.

Crypto's origins date back to 1983

While crypto feels new, it actually dates to 1983, with eCash's creation. However, a lot has happened in the crypto world over the past few years in particular—crypto's market cap surpassed $2T for the first time in 2021, for instance. A timeline of crypto's history details the events in between.

Explore America’s top companies by revenue in 1994 versus 2023

America’s top companies by revenue have changed a lot in the past few decades. Sears, for instance, isn’t on the 2023 list, while Amazon isn’t in the 1994 edition.

In 1955, the first Dollar General store was opened in Kentucky

It was created by a father and son, Cal Turner Sr. and JL Turner. At the time, no item in the store cost more than one dollar, although that has since changed.

Some coin denominations have ridges etched on their sides, partly to prevent counterfeiting, in a practice called 'reeding.'

See a collection of Valentine's Day cards from the past century

Hallmark helped popularize (and commercialize) the holiday in the early 20th century, largely through its greeting cards. This digital collection includes cards from the 1910s through the 2000s, allowing you to see how the holiday—and our popular understanding of romance—has evolved. Below is a card from the 1930s.

Extending the worldwide lifespan by one healthy year is worth $38T

This econometric study attempts to estimate the economic value of increasing the global healthy lifespan by one year—and to answer the question of whether it is better to extend lifespans or slow the rate of healthy aging.

A century of Billboard issues documenting the evolution of popular music.

Use this tool to calculate the dollar value of your parental mental load, from meal planning to coordinating after-school care, then see resources that help generate solutions.

While the first exchange-traded fund (a 'basket' of different assets that can be bought and sold on a stock exchange) in the US only launched in 1993, the global ETF market has grown to more than $10T in the short time since.

Stanford built a Google Maps for the Roman Empire, revealing how much it cost to travel in the ancient world

See a ranking of the best (and worst) Federal Reserve Chairs since 1914 out of the 16 men and women who have held the office since.

Before the current East Wing ballroom project, only two White House renovations in the past 100 years cost more than $10M.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

The price of gas is a composite made up of several different factors, with the federal gas tax making up less than 20% of what drivers pay at the pump.

The USPS spent $3.97B in 2024, accounting for .058% of the federal budget.

The original copy of the Declaration of Independence is not a pristine document, and even features a smudged anonymous handprint in the bottom left corner.

US housing costs have risen by roughly 175% between 1991 and 2026—but a growing number of Gen Zers are becoming homeowners anyway. In 2025, 4% of homebuyers were Gen Z, up from 3% the year before.

Learn more about the history of fireworks, which dates back to an accidental invention during an alchemist's quest for information about immortality.

Warren Buffett's former professor Benjamin Graham is known as the 'father of value investing,' a strategy in which investors seek to buy stocks trading below their intrinsic worth.

Scientists can determine Earth's past climate conditions by analyzing air trapped in microscopic bubbles within ice cores—columns of compressed snow layers that build up over hundreds of thousands of years.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

Visualize the path of every solar eclipse from 1900 to 2099 and see what each looks like when observed from different locations on Earth.

Long before Major League Baseball began allowing instant replay for balls and strikes, an umpire reluctantly used the technology to determine whether a hit was a home run, a move that inadvertently ushered in a new era for the sport.

44% of Americans say they pray at least once a day—discover how your state's religiosity stacks up against the rest of the country.

Budweiser stores yeast derived from the original 1800s strain in a secret bunker, which only the Head of Yeast Management can access—not even the CEO

The term 'algorithm' originated from the Latinized name of al-Khwārizmī, a 9th-century mathematician whose works introduced Arabic numerals and the decimal-based numeral system to Europe and whose treatise 'Al-Jabr' gave algebra its name.

Explore chaos in this simulation of two double pendulums, where small differences in the release angles produce wildly different outcomes.

The first steps to rebuilding your credit score include getting to know exactly what's on your credit report and figuring out how far you are from the '700 club,' or 'good score' range.

See the evolution of Ebola vaccine and treatment development.