One dollar of American life costs about 70 cents in Germany. That ratio is purchasing power parity.

By Skyler Bissell · August 30, 2026 · 9 min read

The World Bank's 2024 purchasing power parity factor for Germany is 0.70: the bundle of goods and services that costs a dollar in the United States costs about 70 euro cents in Germany. The currency market, meanwhile, has lately swapped a dollar for well over 80 euro cents. Those two rates answer different questions, almost everyone who quotes one means the other, and the gap between them is where most bad relocation math is born.

Here is the concept worked through one example, slowly, with the real numbers, where the official rates come from, and the exact point at which PPP stops being the right tool.

The example, worked start to finish

Price one identical basket in two places. Say it holds a month of groceries, a haircut, a transit pass, a doctor's visit, some rent, a restaurant dinner. In the United States the basket comes to $1,000. Price the same items in Germany and the till says €700.

Divide the two: €700 over $1,000 is 0.70 euros per dollar. That quotient is the purchasing power parity between the two countries. It is not a market price and nobody will trade currency with you at it; it is a statement about shops. And it happens to be almost exactly what the real, painstaking version of this exercise produces: the World Bank's PPP conversion factor for Germany was 0.700862 in 2024, from a basket of hundreds of items rather than six.

Now put the market rate beside it. Over the twelve months to late August 2026, the European Central Bank's reference rate priced the euro between $1.134 and $1.197, which is to say a dollar bought somewhere in the region of 84 to 88 euro cents. So a dollar converts into about 0.86 euros but only needs about 0.70 of them to buy its American life. Divide 0.70 by 0.86 and you get the useful sentence: German prices run at roughly four fifths of American prices. The dollar you convert in Germany goes about a fifth further than it did at home.

That is the whole mechanism. Everything PPP is used for, from GDP league tables to poverty lines, is that division done carefully at scale.

Where the official rates come from

Two programmes produce the numbers worth citing. The World Bank's International Comparison Program prices a global basket across most of the world's economies, and the Eurostat-OECD PPP Programme does a denser annual version for Europe and the OECD. Both survey hundreds of goods and services, weight them by what households spend, and publish one factor per country per year. The 2024 factors for the countries this site's readers compare most, from the World Bank's PPP conversion factor series:

World Bank, PPP conversion factor for GDP (LCU per international $), 2024, retrieved 30 August 2026. All five share the euro, and their factors still differ by 40%: PPP is a price measurement per country, not a property of the currency.

Read the last line of that caption twice, because it is the least intuitive fact in the whole subject. Spain and Germany use the same euro, and the same basket of living costs about a quarter less in Spain. One currency, five price levels. Any method that converts a salary at a single euro rate, market or PPP, has already averaged away the thing you were trying to learn.

The famous informal version is The Economist's Big Mac index, published since 1986: purchasing power parity computed on a basket of exactly one hamburger. It exists to make this arithmetic memorable, and it does, though the official programmes are what statisticians and treasuries work from.

What PPP is for

PPP earns its keep wherever a comparison would otherwise be distorted by exchange rates that swing 10% in a year while shop prices barely move. GDP compared across countries is usually stated in PPP terms, so that an economy is not "growing" because its currency had a good spring. The World Bank's global poverty line is defined in PPP dollars, because $2 converted at market rates means nothing about what the poorest households can buy at home. International wage and productivity comparisons lean on it for the same reason. For all of these, one careful number per country per year is exactly the right resolution.

Where PPP stops: your salary

The trouble starts when the same number is pointed at a personal decision. Apply Germany's 0.70 to a $150,000 American salary and you get the "PPP-adjusted equivalent": about €105,000, a single tidy answer. Our engine prices that move for an actual single renter, and it does not return one answer. It returns €84,043 if the salary is being earned in New York, €129,220 if in Seattle, and €160,465 if in Austin, because the same $150,000 leaves $27,549 of annual net cash in New York and $77,068 in Austin, and Berlin has to reproduce what was kept rather than what was printed on the contract.

The PPP answer lands between the engine's answers and equals none of them. It cannot: a national price ratio does not know which city's rent you are escaping, that German income tax will treat you differently from FICA, that your health premium becomes a payroll contribution, or that your childcare bill is about to change sign. PPP compares baskets, and a household is a basket plus a tax return plus a safety net. What every cost-of-living calculator gets wrong is the longer argument; New York against Berlin shows the full ledger for this exact corridor, and take-home pay by country isolates the tax layer PPP never sees.

So use each rate for its own question. Market rate: what will my euros be worth if I send them home? PPP: are prices high or low there, in general? And for the question a job offer is asking underneath, what salary keeps my life whole, use a method that starts from your city and your household. Our purchasing power parity calculator runs that per-city, per-household version, and the main calculator does it for any pair of the 178 cities.

FAQ

Is the Big Mac index the same as purchasing power parity?

It is purchasing power parity computed on a basket of exactly one item. The Economist has published it since 1986 as a deliberately light-hearted check on official rates: if a Big Mac costs more dollars in one country than another at market exchange rates, that currency looks expensive. Official PPP programmes do the same arithmetic across hundreds of goods and services, weighted by how much people spend on each, which is why the two can disagree while both being internally correct.

Why is the PPP rate different from the market exchange rate?

Because most of what you buy never crosses a border. Currency markets price the things that trade internationally: goods, securities, capital flows. Haircuts, rent, childcare and restaurant meals do not ship, so their prices can sit far below or above what the exchange rate implies, and countries with lower wages tend to have cheaper services. PPP measures the whole basket including those non-traded prices, which is why it usually diverges from the market rate and why the divergence is largest between rich and poor countries.

Is a lower PPP factor better?

Neither better nor worse on its own; it is a price ratio and carries no ranking. A factor below the market exchange rate means the country's prices are low relative to the United States, so a converted dollar stretches further at the shops. Whether that helps you depends entirely on where your income comes from. Earning dollars and spending in a low-price country is the good case. Earning the local wage usually is not, because local wages are low for the same reason local prices are.

Can I use a PPP-adjusted salary to decide a job offer?

Only as a sanity check on the way to a real number. PPP gives one number for a whole country, computed on a national basket, before tax. A job offer lands in one city, on your household, after that country's income tax and social contributions, with childcare and healthcare either priced in or paid for by the state. Two people accepting the same PPP-adjusted salary can end up thousands apart in what they keep. The equivalent-salary method exists because of exactly that gap.

The example is worth memorising in its shortest form: 0.70 at the shops, 0.86 at the bank, and the fifth in between is Germany being cheaper than its currency admits. Quote it the next time someone converts a salary in their head, and if the salary in question arrived on a European offer letter, read the letter properly before any rate touches it.

Sources. PPP conversion factors: World Bank, PPP conversion factor, GDP (LCU per international $), 2024 values, retrieved 30 August 2026. Exchange rates: European Central Bank, euro reference exchange rate for the US dollar. The Big Mac index: The Economist, big-mac-data. Equivalent salaries and net-cash figures are computed by cityparity's engine; per-field provenance is in data/_meta.json.

Equivalent salaries solve for equal net cash after tax, housing, childcare, healthcare and the cash value of statutory benefits, and they are the salary an offer has to clear rather than a salary any employer is obliged to pay. See the methodology.