The dollar index, which measures the greenback against six major peers, rose 0.25 percent at 93.0530.
In late New York trading, the euro fell to 1.1753 U.S. dollars from 1.1771 dollars in the previous session, and the British pound fell to 1.3695 dollars from 1.3761 U.S. dollars in the previous session. The Australian dollar was down to 0.7238 U.S. dollar from 0.7279 dollar.
The U.S. dollar bought 110.02 Japanese yen, higher than 109.97 Japanese yen of the previous session. The U.S. dollar increased to 0.9181 Swiss franc from 0.9135 Swiss franc, and it increased to 1.2684 Canadian dollars from 1.2598 Canadian dollars.
On the data front, U.S. initial jobless claims, a rough way to measure layoffs, increased by 4,000 to 353,000 in the week ending Aug. 21, the Department of Labor reported on Thursday. Economists polled by The Wall Street Journal had estimated new claims would total 350,000.
Traders are also awaiting Jerome Powell's speech as the Fed chief is set to speak on Friday during the Federal Reserve Bank of Kansas City's annual Jackson Hole economic symposium.
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