Indonesia Rupiah to US dollar: Treasury reporting rate
As of : The U.S. Treasury’s reporting rate of exchange for Indonesia-Rupiah is 17,865.69 units per US$1, as published for the quarter ending Sep 30, 2026. It is a quarterly rate for federal agencies, not a live market rate. That is -0.03% versus the previous quarter.
These are the Treasury's quarterly reporting rates for federal agencies, not live market rates. Do not use them to convert money for a payment or trade: use the rate your bank or provider quotes.
Last checked against the source: . Changes and averages are calculated by this site from the published quarterly rates.
Extended data
Measure
Value
Currency
Indonesia-Rupiah
Latest reporting rate (units per US$1)
17,865.69
Latest record date
Sep 30, 2026
Previous quarter rate
17,870.69
Change vs previous quarter (calculated)
-0.03%
Rate one year earlier (4 quarters back)
16,636.68
Change vs one year earlier (calculated)
7.39%
Highest rate in this series (units per US$1)
17,870.69
Date of the highest rate
Jun 30, 2026
Lowest rate in this series (units per US$1)
8,200.00
Date of the lowest rate
Jun 30, 2003
Average of all quarterly rates (calculated)
11,934.03
US dollars per 1 unit of this currency (calculated, 1 / rate)
0.0001
First record in the series
Mar 31, 2001
Quarterly records in the series
103
Latest quarterly rates
Quarter-end record date
Units per US$1
Sep 30, 2026
17,865.69
Jun 30, 2026
17,870.69
Mar 31, 2026
16,952.83
Dec 31, 2025
16,649.99
Sep 30, 2025
16,636.68
Jun 30, 2025
16,207.02
Mar 31, 2025
16,525.94
Dec 31, 2024
16,067.13
How the figures are counted: change = (latest rate ÷ earlier rate − 1) × 100; US dollars per unit = 1 ÷ rate; the average is the simple mean of all quarterly rates in the series.
Worked example: Indonesia-Rupiah: 17,865.69 now vs 17,870.69 last quarter = -0.03%; 1 ÷ 17,865.69 = 0.0001 US dollars per unit.
Frequently asked questions
What is the Treasury exchange rate for Indonesia-Rupiah?
The latest Treasury reporting rate is 17,865.69 units per US$1, for the quarter ending Sep 30, 2026.
How has the Indonesia-Rupiah rate changed?
It moved -0.03% versus the previous quarter (17,870.69) and 7.39% versus four quarters earlier (16,636.68).
What were the highest and lowest rates?
In this series the highest rate was 17,870.69 on Jun 30, 2026 and the lowest was 8,200.00 on Jun 30, 2003.
Is this a live market exchange rate?
No. The Treasury publishes reporting rates every quarter for federal agencies. For a payment, transfer or trade, use the rate quoted by your bank or provider.
Where does the data come from?
From the Treasury Reporting Rates of Exchange dataset on the U.S. Treasury's Fiscal Data site, read through its public API.