Quick Explanation
The rupee-dollar exchange rate tells us how many rupees are needed to buy one US dollar.
For example, if $1 = ₹83, you need ₹83 to buy one dollar. If it changes to $1 = ₹87, the rupee has fallen because you now need more rupees to buy the same dollar.
If it changes from ₹83 to ₹80, the rupee has risen against the dollar.
The main force behind these movements is demand and supply.
How It Works
Think of dollars like a product in a market.
When many people and businesses in India need dollars to import oil, machinery, technology or other goods, the demand for dollars increases. If the supply of dollars does not rise enough, the dollar becomes more expensive in rupee terms.
The rupee can therefore weaken.
The opposite can happen when more dollars enter India. Foreign investors buying Indian shares or companies, Indian exporters receiving payments from abroad, and overseas Indians sending money home can increase the supply of dollars. This can support the rupee.
Several other factors also influence the exchange rate:
- Inflation: Lower inflation can support a currency over time.
- Interest rates: Higher returns can attract foreign investment.
- Trade balance: If a country imports much more than it exports, it may need more foreign currency.
- Global confidence: During uncertainty, investors often prefer the US dollar because it is widely used and considered a relatively safe asset.
The Reserve Bank of India (RBI) can also intervene in the foreign-exchange market to reduce excessive volatility, although it does not simply fix the rupee at one permanent value.
Real-Life Example
Suppose an Indian company imports machinery worth $1 million.
At ₹83 per dollar, the machinery costs ₹8.3 crore.
If the rupee weakens to ₹87 per dollar, the same machinery costs ₹8.7 crore.
The product has not become more expensive in dollars, but it has become more expensive for the Indian buyer because the rupee has weakened.
Why It Matters
A weaker rupee can make imports such as crude oil, electronics and machinery more expensive. This can eventually affect businesses and consumers.
However, it can benefit exporters because their foreign earnings can translate into more rupees.
A stronger rupee can make imports cheaper, but it can make Indian exports relatively more expensive for foreign buyers.
So, a rising or falling rupee is not automatically good or bad. What matters is why it is moving, how quickly it is moving, and how it affects the wider economy.