Value of $1 from 1685 to 1686
$1 in 1685 is equivalent in purchasing power to about $0.93 in 1686. The dollar had an average deflation rate of -7.32% per year since 1685, producing a cumulative price change of -7.32%.
This means that prices in 1686 are 7.32% lower than average prices in 1685, according to the Bureau of Labor Statistics consumer price index.
The inflation rate in 1685 was 10.81%. The inflation rate in 1686 was -7.32%. The 1686 inflation rate is lower compared to the average inflation rate of 1.33% per year between 1686 and 2026.
Contents
⌃
| Average inflation rate | -7.32% |
|
Converted amount
$1 base | $0.93 |
|
Price difference
$1 base | $-0.07 |
| CPI in 1685 | 4.100 |
| CPI in 1686 | 3.800 |
| Inflation in 1685 | 10.81% |
| Inflation in 1686 | -7.32% |
| $1 in 1685 | $0.93 in 1686 |
Inflation by Spending Category
CPI is the weighted combination of many categories of spending that are tracked by the government. Breaking down these categories helps explain the main drivers behind price changes.
This chart shows the average rate of inflation for select CPI categories between 1685 and 1686.
Compare these values to the overall average of -7.32% per year:
| Category | Avg Inflation (%) | Total Inflation (%) | $1 in 1685 → 1686 |
|---|---|---|---|
| Food and beverages | 0.00 | 0.00 | 1.00 |
| Housing | 0.00 | 0.00 | 1.00 |
| Apparel | 0.00 | 0.00 | 1.00 |
| Transportation | 0.00 | 0.00 | 1.00 |
| Medical care | 0.00 | 0.00 | 1.00 |
| Recreation | 0.00 | 0.00 | 1.00 |
| Education and communication | 0.00 | 0.00 | 1.00 |
| Other goods and services | 0.00 | 0.00 | 1.00 |
For all these visualizations, it's important to note that not all categories may have been tracked since 1685. This table and charts use the earliest available data for each category.
How to calculate inflation rate for $1, 1685 to 1686
Our calculations use the following inflation rate formula to calculate the change in value between 1685 and 1686:
CPI in 1686CPI in 1685
×
1685 USD value
=
1686 USD value
Then plug in historical CPI values. The U.S. CPI was 4.1 in the year 1685 and 3.8 in 1686:
3.84.1
×
$1
=
$0.93
$1 in 1685 has the same "purchasing power" or "buying power" as $0.93 in 1686.
To get the total inflation rate for the 1 years between 1685 and 1686, we use the following formula:
CPI in 1686 - CPI in 1685CPI in 1685
×
100
=
Cumulative inflation rate (1 years)
Plugging in the values to this equation, we get:
3.8 - 4.14.1
×
100
=
-7%
Frequently asked questions
How much is $1 from 1685 worth in 1686?
$1 in 1685 has about the same buying power as $0.93 in 1686, based on the consumer price index published by the Bureau of Labor Statistics. Prices in 1686 are 7.32% lower than they were in 1685.
What was the inflation rate in 1685?
The U.S. inflation rate in 1685 was 10.81%, measured as the change in the consumer price index from 1684 to 1685. See inflation in 1685 for more detail.
What has the average inflation rate been from 1685 to 1686?
Prices fell by an average of 7.32% per year between 1685 and 1686, a cumulative decrease of 7.32%.
How is this calculated?
Divide the CPI in 1686 (3.8) by the CPI in 1685 (4.1), then multiply by the original amount: 3.8 ÷ 4.1 × $1 = $0.93. See the step-by-step formula above.
Data source & citation
Raw data for these calculations comes from the Bureau of Labor Statistics' Consumer Price Index (CPI), established in 1913. Price index data from 1774 to 1912 is sourced from a historical study conducted by political science professor Robert Sahr at Oregon State University and from the American Antiquarian Society. Price index data from 1634 to 1773 is from the American Antiquarian Society, using British pound equivalents.
You may use the following MLA citation for this page: “$1 in 1685 → 1686 | Inflation Calculator.” Official Inflation Data, Alioth Finance, 6 Oct. 2026, https://www.officialdata.org/us/inflation/1685?amount=1&endYear=1686.
Special thanks to QuickChart for their chart image API, which is used for chart downloads.
| Average inflation rate | -7.32% |
|
Converted amount
$1 base | $0.93 |
|
Price difference
$1 base | $-0.07 |
| CPI in 1685 | 4.100 |
| CPI in 1686 | 3.800 |
| Inflation in 1685 | 10.81% |
| Inflation in 1686 | -7.32% |
| $1 in 1685 | $0.93 in 1686 |