What was money really worth?
A free inflation calculator with a human twist. See what $100 in 1920 meant in months of salary, loaves of bread, and weeks of work. Then watch it melt over time.
$100 in 1850 ≈ $3,800 today · was 10 months of average salary · bought 2,000 loaves of bread · only 2.6% of its value survives today
Translate Money Across Time
Enter an amount, pick a year and country. We show what that money actually meant for real people.
1800–2025
up to 2026
Quick examples
Rich-O-Meter
Enter your salary — see where you would rank in history
Work Hours Per Purchase
Hours of work needed to buy everyday items across history
What is purchasing power?
And why it matters more than inflation numbers
Purchasing power is what a unit of money actually buys. A dollar is not the same dollar it was in 1950. In 1950 that dollar bought four loaves of bread. Today it buys a third of one. The number on the bill didn't change. The bread did.
Most inflation calculators stop at the number. $100 in 1920 is worth about $1,812 today — fine, but that number floats in space. It doesn't tell you that $100 in 1920 was roughly nine weeks of a factory worker's wages, or that it would have paid a family's rent for several months. That's the part that makes history real.
Inflation is what erodes purchasing power. In the USA, cumulative CPI inflation between 1920 and today is over 1,500%. That sounds abstract until you convert it: what cost $1 back then costs about $16 now. But some things moved faster than CPI and some slower. Healthcare, education, and urban housing all outpaced the headline rate by a wide margin. Electronics went the other way — a 1980 calculator cost more in real terms than a 2026 smartphone.
That's why a good inflation calculator should show the texture, not just the multiplier. Weeks of work, loaves of bread, months of rent — numbers you can actually picture.
How we calculate historical inflation
Plain-English methodology — no hidden assumptions
The math itself is basic. We take the Consumer Price Index value for the target year and divide it by the CPI for the source year. If the 1920 CPI was 20.0 and the 2026 CPI is around 326, then $100 × (326 ÷ 20.0) ≈ $1,630. Every mainstream inflation calculator uses this formula. Differences come from which CPI series each site picks and how they handle years before official data exists.
For the USA, the Bureau of Labor Statistics publishes CPI-U back to 1913. For anything earlier — 1800 to 1912 — we use the reconstructed series from MeasuringWorth.com, which stitches together wholesale price surveys, wage records, and commodity data. For the UK, the Bank of England's Millennium Dataset covers 1750 onwards. German data picks up at 1870. Each country's data source is documented on our sources page.
When a specific year has no data point in our dataset, we interpolate linearly between the two nearest known years. This is standard practice in historical economics. It carries more uncertainty the further back you go. Pre-1850 figures are estimates, not exact values.
Wage context comes from the same official sources plus academic wage series. Bread prices, rent, and gasoline use curated historical datasets where reliable records exist. If we don't have good data for a specific commodity in a specific year, we leave it out rather than guess. See the full methodology for details.
What makes RealWorth different
We're not the only inflation calculator. Here's what we do that others don't.
Context, not just conversion
The US Bureau of Labor Statistics has a CPI calculator. It works and it's accurate. It also gives you a single number and nothing else. RealWorth shows you what that number meant in weeks of salary, loaves of bread, and monthly rent — the stuff that makes the math concrete. Try the calculator ↑
Six countries, one interface
Most historical inflation tools cover only one country. RealWorth runs the same math across the USA, UK, Germany, France, Canada, and Japan, which lets you compare how currencies diverged through the same events — WWI, the Depression, the 1970s oil shocks. A British pound in 1970 did not lose value the same way a US dollar did. Switch countries in the calculator ↑
Rich-O-Meter: where your salary ranks in history
Enter your current salary and pick a year. We'll tell you whether you'd have been struggling, middle class, or among the wealthy elite in that era. $60,000 today makes you solidly middle class in 2026 USA, but that same purchasing power in 1920 would have placed you in the top 10% of earners — higher than a bank manager. Check your historical rank ↑
Where You Are Rich: compare across countries today
History aside, our WealthMap shows where your current salary ranks right now against median income in ~90 countries. A middle-class salary in New York places you in the global top few percent. The map makes that obvious at a glance. Open the WealthMap ↑
All free, no signup
Every feature on the site is free. No registration, no paywall, no locked premium tier. Good tools like this should be free, so this one is.
Popular calculations
Hand-picked conversions across history — tap any one to see the full story
All values are estimates for historical and educational purposes only. Not financial advice. CPI data: BLS, Bank of England, Destatis, INSEE, Statistics Canada, Statistics Bureau of Japan, MeasuringWorth.com. Methodology →