USD to KRW Exchange Rate History — 10 Year Analysis

The US Dollar to South Korean Won exchange rate is one of the most closely watched currency pairs in East Asia. Over the past decade, USD/KRW has swung from a post-crisis low near 1,060 to a multi-decade high above 1,480, driven by Federal Reserve policy cycles, geopolitical shocks, South Korea's trade balance, and structural capital outflows. Whether you are sending money abroad, managing FX exposure in a Korean business, or simply trying to understand why your dollar buys more Won than it did five years ago, this 10-year breakdown gives you the full picture.

Use the Currency Converter to check today's live USD/KRW rate before reading on.

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Key Takeaway

Between 2016 and 2026, the USD/KRW rate climbed roughly 30%, from an annual average near 1,160 to levels above 1,450. The primary drivers were the Fed's aggressive 2022–2023 rate hike cycle, South Korea's temporary trade deficit in 2022, and growing structural outflows from Korean institutional investors into US assets. The Won briefly traded near 1,480 in late 2024 and again in early 2026. Most major investment banks forecast a gradual drift back toward 1,380–1,440 over the course of 2026 as the US dollar weakens moderately against global peers.

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핵심 답변: 지난 10년간 USD/KRW는 1,060에서 1,480으로 변동했습니다.

What Does a Decade of USD/KRW Data Actually Look Like?

The table below shows approximate annual average exchange rates from 2016 through 2025, followed by the early 2026 trading range.

Several distinct phases emerge from this data, each with its own macro driver.

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Phase 1: The Strong Won Era (2016–2018)

The first three years of our analysis represent the most favorable period for the Korean Won in over a decade. From a 2016 average of 1,161 KRW per dollar, the rate fell steadily to a multi-year low average of 1,102 in 2018 — meaning each dollar bought fewer Won, reflecting a stronger Won.

Two forces drove this appreciation. First, South Korea's technology sector was in the middle of an extraordinary export supercycle. Global demand for DRAM memory chips and OLED displays, both dominated by Samsung and SK Hynix, generated massive dollar inflows into South Korea. When exporters convert those dollars into Won to pay domestic wages and taxes, the Won naturally strengthens.

Second, the Federal Reserve was raising rates only gradually during this period — a total of 225 basis points between December 2015 and December 2018 — meaning the rate differential between US Treasuries and Korean government bonds remained modest. Capital did not rush out of Korea in search of higher US yields.

The one geopolitical wildcard was the deployment of the US THAAD missile defense system in 2016–2017, which triggered a Chinese consumer boycott of Korean goods. This created brief Won volatility but did not reverse the overall appreciation trend, as the semiconductor cycle proved far more powerful.

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Phase 2: Trade War and Pandemic Turbulence (2019–2020)

The US–China trade war fundamentally changed the risk calculus for emerging market currencies. South Korea, deeply embedded in global supply chains connecting China to the US, found itself caught in the crossfire. The Won weakened from its 2018 average of 1,102 back to 1,165 in 2019 as global trade volumes slowed and investors moved toward safe-haven assets.

Then came COVID-19. The initial market shock in February–March 2020 sent the Won as weak as 1,280 intraday as global investors fled to dollar liquidity. The Bank of Korea (BOK) cut its benchmark rate from 1.25% to a record low of 0.5% in May 2020 to cushion the blow. By year-end, the annual average settled at 1,184, but the seeds of a longer period of won weakness had been planted through the BOK's ultra-loose monetary stance.

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Phase 3: Recovery, Then the Fed's Wrecking Ball (2021–2022)

The year 2021 offered a temporary reprieve. South Korea's strong vaccination program, surging chip exports, and recovering global trade helped the Won recover to an annual average of 1,145 — nearly back to 2018 levels. The BOK began raising rates in August 2021, becoming one of the first major central banks to start tightening — a move that initially supported the Won.

But 2022 was a different story entirely. The US Federal Reserve launched one of the most aggressive tightening cycles in its modern history, raising the federal funds rate by 425 basis points across the year, from near zero to 4.25–4.50%. This created a rapidly widening interest rate gap between US and Korean assets, triggering capital outflows from Korea and pushing USD/KRW from around 1,190 in January to as high as 1,445 by September — levels last seen during the 2009 global financial crisis.

Compounding the currency pressure was South Korea's trade balance. For the first time since 2008, the country recorded an annual trade deficit in 2022, as surging global energy prices dramatically inflated the country's import bill for crude oil and liquefied natural gas. When a current account surplus disappears, one of the structural anchors supporting the Won evaporates with it.

The BOK raised its own policy rate to 3.50% by January 2023, but this remained below the Fed's terminal rate, preserving a negative interest rate differential that

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참고: 한국은행 경제통계

💡 실전 인사이트

지난 10년간 USD/KRW 흐름을 실제 환전 전략 관점에서 살펴보면, 일반적인 환율 분석과는 다른 중요한 패턴이 보입니다. 2018년 연평균 1,102원이라는 10년 최강세 구간은 삼성전자·SK하이닉스의 반도체 수출 호황이 직접적인 원인이었습니다. 즉, 한국 수출 대기업의 실적 발표 시즌과 원화 강세 구간이 상당 부분 겹친다는 점을 실제 환전 시에 활용할 수 있습니다. 반면 2022년 한 해 동안 달러 대비 원화 가치는 약 12% 절하됐고, 이는 미 연준의 425bp 금리 인상이라는 단일 변수가 얼마나 강력한 영향을 미치는지를 보여줍니다. 한국은행 경제통계시스템(ECOS) 기준으로 2022년 9월 장중 1,445원을 기록했을 때, 이를 10년 이동평균(약 1,230원)과 비교하면 역사적 고점 영역임을 판단할 수 있었습니다. 실전에서는 '분할 환전' 전략이 유효합니다. 즉, 목표 환율 대비 ±50원 구간에서 3~4회에 나눠 환전하면 단일 시점 환전보다 평균 단가를 낮출 수 있으며, 2024~2026년처럼 변동성이 높은 구간에서는 특히 이 원칙이 중요합니다. 타 블로그가 단순히 연도별 환율 수치만 나열하는 것과 달리, USD/KRW의 진짜 방향성을 결정하는 것은 한미 금리 스프레드와 한국의 경상수지 흑자 규모라는 두 가지 핵심 변수임을 기억하십시오.

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자주 묻는 질문 (FAQ)

Q1. What drove USD/KRW exchange rate changes over 10 years?

A: Fed policy, Korean exports, risk sentiment, inflation, and global dollar cycles drove most major moves.

Q2. Is a high USD/KRW rate good or bad?

A: It helps exporters but raises import costs, travel expenses, inflation pressure, and foreign debt burdens.

Q3. How can I analyze USD to KRW history?

A: Compare yearly ranges with interest rate cycles, trade data, current account trends, and risk events.

Q4. What affects the Korean won the most?

A: The won is sensitive to semiconductor exports, China demand, US rates, oil prices, and global risk appetite.

Q5. When is a good time to exchange dollars to won?

A: Use staged conversion near historically high ranges instead of trying to pick one perfect top.

Q6. Does USD/KRW impact Korean stocks?

A: Yes, it affects foreign investor flows, exporter margins, import costs, and market valuation sentiment.