Convert Indian Rupee (INR) to Vanuatu Vatu (VUV)

1 indian_rupee = 1 indian_rupee

Exchange rates last updated: February 11, 2026 22:00

Conversion Formula for Indian Rupee to Vanuatu Vatu

The formula of conversion of Indian Rupee to Vanuatu Vatu is very simple. To convert Indian Rupee to Vanuatu Vatu, we can use this simple formula:

1 Indian Rupee = 0.7560990041 Vanuatu Vatu

1 Vanuatu Vatu = 1.3225781208 Indian Rupee

One Indian Rupee is equal to 0.7560990041 Vanuatu Vatu. So, we need to multiply the number of Indian Rupee by 0.7560990041 to get the no of Vanuatu Vatu. This formula helps when we need to change the measurements from Indian Rupee to Vanuatu Vatu

Indian Rupee to Vanuatu Vatu Conversion

The conversion of Indian Rupee currency to Vanuatu Vatu currency is very simple. Since, as discussed above, One Indian Rupee is equal to 0.7560990041 Vanuatu Vatu. So, to convert Indian Rupee to Vanuatu Vatu, we must multiply no of Indian Rupee to 0.7560990041. Example:-

Indian Rupee Vanuatu Vatu
0.01 Indian Rupee 0.00756099 Vanuatu Vatu
0.1 Indian Rupee 0.0756099004 Vanuatu Vatu
1 Indian Rupee 0.7560990041 Vanuatu Vatu
2 Indian Rupee 1.5121980083 Vanuatu Vatu
3 Indian Rupee 2.2682970124 Vanuatu Vatu
5 Indian Rupee 3.7804950206 Vanuatu Vatu
10 Indian Rupee 7.5609900413 Vanuatu Vatu
20 Indian Rupee 15.1219800825 Vanuatu Vatu
50 Indian Rupee 37.8049502063 Vanuatu Vatu
100 Indian Rupee 75.6099004125 Vanuatu Vatu
500 Indian Rupee 378.0495020626 Vanuatu Vatu
1,000 Indian Rupee 756.0990041252 Vanuatu Vatu

Details for Indian Rupee (INR) Currency

Introduction : The Indian Rupee (INR) is the official currency of India, issued and regulated by the Reserve Bank of India (RBI). Represented by the symbol ₹, the rupee is used throughout the country for all types of financial transactions, including retail purchases, banking, and government dealings. It is subdivided into 100 smaller units called paise. The Indian Rupee plays a pivotal role in the nation’s growing economy and is also accepted in neighboring countries like Nepal and Bhutan. With its wide circulation and digital integration, the INR is central to India’s commerce and daily life, both in rural and urban areas.

History & Origin : The history of the Indian Rupee dates back to ancient times, with references to coinage appearing in texts from the 6th century BCE. The word 'rupee' originates from the Sanskrit term 'rupyakam,' meaning silver coin. During the Mughal era, Sher Shah Suri introduced a silver coin called 'Rupiya' which laid the foundation for modern Indian currency. Under British rule, the rupee evolved with the introduction of paper notes in the 18th century. Post-independence in 1947, India established the Reserve Bank of India to manage its currency. The modern rupee has since seen several design changes, including the launch of the ₹ symbol in 2010 and a series of new banknotes with enhanced security features in 2016.

Current Use : The Indian Rupee is used across all sectors of the economy, from daily retail purchases to large-scale corporate transactions. It is the primary medium of exchange for over a billion people. The government and Reserve Bank of India have made efforts to increase digital rupee transactions through platforms like UPI and mobile banking, especially since the 2016 demonetization drive. Despite the growing trend of cashless payments, physical currency remains essential in rural areas. The rupee is also a point of national identity, featuring cultural and historical motifs on banknotes. It is widely traded in foreign exchange markets and reflects the strength of India’s emerging economy.

Details of India

India, officially the Republic of India, is a vast South Asian country known for its cultural diversity, historical depth, and rapid economic growth. Bordered by countries such as China, Pakistan, Nepal, and Bangladesh, it is the world's most populous democracy, home to over 1.4 billion people. Its capital is New Delhi, while Mumbai is its financial hub and most populous city.

India's civilization stretches back thousands of years, with the Indus Valley Civilization being one of the earliest in human history. Over the centuries, it has been shaped by various dynasties, empires, and colonial rule, particularly under the British Empire. India gained independence in 1947 and adopted a democratic constitution in 1950.

The country is a federal parliamentary republic with 28 states and 8 union territories. Its economy is one of the fastest-growing in the world, driven by industries like information technology, manufacturing, agriculture, and services. India is also a global leader in space exploration and pharmaceuticals.

India's cultural landscape is incredibly diverse, with hundreds of languages spoken, numerous religious practices, and a rich tapestry of music, dance, art, and cuisine. It is the birthplace of major religions like Hinduism, Buddhism, Jainism, and Sikhism. Festivals such as Diwali, Holi, Eid, and Christmas are celebrated with enthusiasm throughout the country.

Tourists flock to India for its iconic landmarks such as the Taj Mahal, Himalayan mountains, Kerala’s backwaters, and vibrant cities like Jaipur and Varanasi. Its warm hospitality, traditional wisdom, and dynamic spirit make India a unique and influential presence on the global stage.

Details for Vanuatu Vatu (VUV) Currency

Introduction : The Vanuatu Vatu (VUV), symbolized as VT, is the official currency of the Republic of Vanuatu. Introduced after the nation’s independence, the vatu plays a central role in supporting the local economy and symbolizes Vanuatu’s financial autonomy. It is a non-decimal currency, meaning it has no subdivisions like cents. Issued by the Reserve Bank of Vanuatu, the vatu is used in all domestic transactions, from everyday purchases in village markets to tourism and government operations. The currency reflects the country’s cultural identity and economic development, especially in a diverse island nation with a unique blend of tradition and modern growth.

History & Origin : The Vanuatu Vatu was introduced in 1981, a year after Vanuatu gained independence from a joint British-French colonial rule. It replaced the New Hebrides franc at par, marking the beginning of a sovereign monetary system. Before independence, the islands used various currencies including the Australian dollar and the franc. The introduction of the vatu represented a major step toward economic self-determination and national identity. Since its inception, the currency has undergone minor design changes, but its value has remained relatively stable due to prudent monetary policies. The Reserve Bank of Vanuatu was established to oversee currency issuance, financial regulation, and economic stability.

Current Use : The vatu is used throughout Vanuatu as the legal tender for all transactions including wages, government payments, retail purchases, and tourism services. Coins are commonly used in small denominations, while banknotes are utilized for larger amounts. Due to the country’s reliance on agriculture, fishing, and tourism, the vatu is integral in both rural barter-based economies and formal commercial sectors. While the vatu is not commonly traded on international markets, foreign currencies such as the Australian dollar are occasionally accepted in tourist-heavy areas. The Reserve Bank maintains currency integrity and promotes financial literacy and inclusion across the archipelago.

Details of Vanuatu

Vanuatu is an island nation located in the South Pacific Ocean, comprising roughly 83 islands that form a Y-shaped archipelago. It lies east of Australia, northeast of New Caledonia, and west of Fiji. The capital city, Port Vila, is situated on the island of Efate and serves as the political and economic hub of the country. Vanuatu is known for its stunning natural beauty, including volcanic mountains, coral reefs, lush rainforests, and pristine beaches.

Vanuatu’s history is rich with Melanesian culture and European colonial influences. Originally inhabited by Indigenous Melanesian peoples for thousands of years, the islands were later colonized by both the British and the French, forming the unique Anglo-French Condominium known as the New Hebrides. Vanuatu gained full independence in 1980 and established a parliamentary democracy.

The population of Vanuatu is ethnically diverse and primarily rural, with more than 100 languages spoken across the islands, making it one of the most linguistically diverse countries per capita. Bislama, English, and French are the official languages, and Bislama, a creole language, is widely used in daily communication. Traditional customs, known as “kastom,” remain strong and influence social and community life.

The economy of Vanuatu is based on agriculture, fishing, tourism, and offshore financial services. The majority of the population engages in subsistence farming, while tourism—especially eco-tourism and adventure travel—plays a growing role in economic development. The country is vulnerable to natural disasters such as cyclones and volcanic eruptions, which pose challenges to infrastructure and sustainability.

Vanuatu is internationally recognized for its environmental initiatives and efforts to preserve traditional culture. Despite its small size and geographic isolation, the country demonstrates resilience and innovation, striving to balance modernization with cultural preservation. Its vibrant traditions, friendly communities, and breathtaking landscapes make it a unique and admired Pacific nation.

Convert Indian Rupee to Other Currencies

Indian Rupee to United Arab Emirates DirhamUnited Arab Emirates Dirham to Indian Rupee
Indian Rupee to Afghan AfghaniAfghan Afghani to Indian Rupee
Indian Rupee to Albanian LekAlbanian Lek to Indian Rupee
Indian Rupee to Armenian DramArmenian Dram to Indian Rupee
Indian Rupee to Netherlands Antillean GuilderNetherlands Antillean Guilder to Indian Rupee
Indian Rupee to Angolan KwanzaAngolan Kwanza to Indian Rupee
Indian Rupee to Argentine PesoArgentine Peso to Indian Rupee
Indian Rupee to Australian DollarAustralian Dollar to Indian Rupee
Indian Rupee to Aruban FlorinAruban Florin to Indian Rupee
Indian Rupee to Azerbaijani ManatAzerbaijani Manat to Indian Rupee
Indian Rupee to Bosnia Herzegovina Convertible MarkBosnia Herzegovina Convertible Mark to Indian Rupee
Indian Rupee to Barbadian DollarBarbadian Dollar to Indian Rupee
Indian Rupee to Bangladeshi TakaBangladeshi Taka to Indian Rupee
Indian Rupee to Bulgarian LevBulgarian Lev to Indian Rupee
Indian Rupee to Bahraini DinarBahraini Dinar to Indian Rupee
Indian Rupee to Burundian FrancBurundian Franc to Indian Rupee
Indian Rupee to Bermudan DollarBermudan Dollar to Indian Rupee
Indian Rupee to Brunei DollarBrunei Dollar to Indian Rupee
Indian Rupee to Bolivian BolivianoBolivian Boliviano to Indian Rupee
Indian Rupee to Brazilian RealBrazilian Real to Indian Rupee
Indian Rupee to Bahamian DollarBahamian Dollar to Indian Rupee
Indian Rupee to Bhutanese NgultrumBhutanese Ngultrum to Indian Rupee
Indian Rupee to Botswanan PulaBotswanan Pula to Indian Rupee
Indian Rupee to Belarusian RubleBelarusian Ruble to Indian Rupee
Indian Rupee to Belize DollarBelize Dollar to Indian Rupee
Indian Rupee to Canadian DollarCanadian Dollar to Indian Rupee
Indian Rupee to Congolese FrancCongolese Franc to Indian Rupee
Indian Rupee to Swiss FrancSwiss Franc to Indian Rupee
Indian Rupee to Chilean Unit Of Account UfChilean Unit Of Account Uf to Indian Rupee
Indian Rupee to Chilean PesoChilean Peso to Indian Rupee
Indian Rupee to Chinese Yuan OffshoreChinese Yuan Offshore to Indian Rupee
Indian Rupee to Chinese YuanChinese Yuan to Indian Rupee
Indian Rupee to Colombian PesoColombian Peso to Indian Rupee
Indian Rupee to Costa Rican ColonCosta Rican Colon to Indian Rupee
Indian Rupee to Cuban Convertible PesoCuban Convertible Peso to Indian Rupee
Indian Rupee to Cuban PesoCuban Peso to Indian Rupee
Indian Rupee to Cape Verdean EscudoCape Verdean Escudo to Indian Rupee
Indian Rupee to Czech Republic KorunaCzech Republic Koruna to Indian Rupee
Indian Rupee to Djiboutian FrancDjiboutian Franc to Indian Rupee
Indian Rupee to Danish KroneDanish Krone to Indian Rupee
Indian Rupee to Dominican PesoDominican Peso to Indian Rupee
Indian Rupee to Algerian DinarAlgerian Dinar to Indian Rupee
Indian Rupee to Egyptian PoundEgyptian Pound to Indian Rupee
Indian Rupee to Eritrean NakfaEritrean Nakfa to Indian Rupee
Indian Rupee to Ethiopian BirrEthiopian Birr to Indian Rupee
Indian Rupee to EuroEuro to Indian Rupee
Indian Rupee to Fijian DollarFijian Dollar to Indian Rupee
Indian Rupee to Falkland Islands PoundFalkland Islands Pound to Indian Rupee
Indian Rupee to British Pound SterlingBritish Pound Sterling to Indian Rupee
Indian Rupee to Georgian LariGeorgian Lari to Indian Rupee
Indian Rupee to Guernsey PoundGuernsey Pound to Indian Rupee
Indian Rupee to Ghanaian CediGhanaian Cedi to Indian Rupee
Indian Rupee to Gibraltar PoundGibraltar Pound to Indian Rupee
Indian Rupee to Gambian DalasiGambian Dalasi to Indian Rupee
Indian Rupee to Guinean FrancGuinean Franc to Indian Rupee
Indian Rupee to Guatemalan QuetzalGuatemalan Quetzal to Indian Rupee
Indian Rupee to Guyanaese DollarGuyanaese Dollar to Indian Rupee
Indian Rupee to Hong Kong DollarHong Kong Dollar to Indian Rupee
Indian Rupee to Honduran LempiraHonduran Lempira to Indian Rupee
Indian Rupee to Haitian GourdeHaitian Gourde to Indian Rupee
Indian Rupee to Hungarian ForintHungarian Forint to Indian Rupee
Indian Rupee to Indonesian RupiahIndonesian Rupiah to Indian Rupee
Indian Rupee to Israeli New SheqelIsraeli New Sheqel to Indian Rupee
Indian Rupee to Manx PoundManx Pound to Indian Rupee
Indian Rupee to Iraqi DinarIraqi Dinar to Indian Rupee
Indian Rupee to Iranian RialIranian Rial to Indian Rupee
Indian Rupee to Icelandic KronaIcelandic Krona to Indian Rupee
Indian Rupee to Jersey PoundJersey Pound to Indian Rupee
Indian Rupee to Jamaican DollarJamaican Dollar to Indian Rupee
Indian Rupee to Jordanian DinarJordanian Dinar to Indian Rupee
Indian Rupee to Japanese YenJapanese Yen to Indian Rupee
Indian Rupee to Kenyan ShillingKenyan Shilling to Indian Rupee
Indian Rupee to Kyrgystani SomKyrgystani Som to Indian Rupee
Indian Rupee to Cambodian RielCambodian Riel to Indian Rupee
Indian Rupee to Comorian FrancComorian Franc to Indian Rupee
Indian Rupee to North Korean WonNorth Korean Won to Indian Rupee
Indian Rupee to South Korean WonSouth Korean Won to Indian Rupee
Indian Rupee to Kuwaiti DinarKuwaiti Dinar to Indian Rupee
Indian Rupee to Cayman Islands DollarCayman Islands Dollar to Indian Rupee
Indian Rupee to Kazakhstani TengeKazakhstani Tenge to Indian Rupee
Indian Rupee to Laotian KipLaotian Kip to Indian Rupee
Indian Rupee to Lebanese PoundLebanese Pound to Indian Rupee
Indian Rupee to Sri Lankan RupeeSri Lankan Rupee to Indian Rupee
Indian Rupee to Liberian DollarLiberian Dollar to Indian Rupee
Indian Rupee to Lesotho LotiLesotho Loti to Indian Rupee
Indian Rupee to Libyan DinarLibyan Dinar to Indian Rupee
Indian Rupee to Moroccan DirhamMoroccan Dirham to Indian Rupee
Indian Rupee to Moldovan LeuMoldovan Leu to Indian Rupee
Indian Rupee to Malagasy AriaryMalagasy Ariary to Indian Rupee
Indian Rupee to Macedonian DenarMacedonian Denar to Indian Rupee
Indian Rupee to Myanma KyatMyanma Kyat to Indian Rupee
Indian Rupee to Mongolian TugrikMongolian Tugrik to Indian Rupee
Indian Rupee to Macanese PatacaMacanese Pataca to Indian Rupee
Indian Rupee to Mauritanian OuguiyaMauritanian Ouguiya to Indian Rupee
Indian Rupee to Mauritian RupeeMauritian Rupee to Indian Rupee
Indian Rupee to Maldivian RufiyaaMaldivian Rufiyaa to Indian Rupee
Indian Rupee to Malawian KwachaMalawian Kwacha to Indian Rupee
Indian Rupee to Mexican PesoMexican Peso to Indian Rupee
Indian Rupee to Malaysian RinggitMalaysian Ringgit to Indian Rupee
Indian Rupee to Mozambican MeticalMozambican Metical to Indian Rupee
Indian Rupee to Namibian DollarNamibian Dollar to Indian Rupee
Indian Rupee to Nigerian NairaNigerian Naira to Indian Rupee
Indian Rupee to Nicaraguan CordobaNicaraguan Cordoba to Indian Rupee
Indian Rupee to Norwegian KroneNorwegian Krone to Indian Rupee
Indian Rupee to Nepalese RupeeNepalese Rupee to Indian Rupee
Indian Rupee to New Zealand DollarNew Zealand Dollar to Indian Rupee
Indian Rupee to Omani RialOmani Rial to Indian Rupee
Indian Rupee to Panamanian BalboaPanamanian Balboa to Indian Rupee
Indian Rupee to Peruvian Nuevo SolPeruvian Nuevo Sol to Indian Rupee
Indian Rupee to Papua New Guinean KinaPapua New Guinean Kina to Indian Rupee
Indian Rupee to Philippine PesoPhilippine Peso to Indian Rupee
Indian Rupee to Pakistani RupeePakistani Rupee to Indian Rupee
Indian Rupee to Polish ZlotyPolish Zloty to Indian Rupee
Indian Rupee to Paraguayan GuaraniParaguayan Guarani to Indian Rupee
Indian Rupee to Qatari RialQatari Rial to Indian Rupee
Indian Rupee to Romanian LeuRomanian Leu to Indian Rupee
Indian Rupee to Serbian DinarSerbian Dinar to Indian Rupee
Indian Rupee to Russian RubleRussian Ruble to Indian Rupee
Indian Rupee to Rwandan FrancRwandan Franc to Indian Rupee
Indian Rupee to Saudi RiyalSaudi Riyal to Indian Rupee
Indian Rupee to Solomon Islands DollarSolomon Islands Dollar to Indian Rupee
Indian Rupee to Seychellois RupeeSeychellois Rupee to Indian Rupee
Indian Rupee to Sudanese PoundSudanese Pound to Indian Rupee
Indian Rupee to Swedish KronaSwedish Krona to Indian Rupee
Indian Rupee to Singapore DollarSingapore Dollar to Indian Rupee
Indian Rupee to Saint Helena PoundSaint Helena Pound to Indian Rupee
Indian Rupee to Sierra Leonean LeoneSierra Leonean Leone to Indian Rupee
Indian Rupee to Somali ShillingSomali Shilling to Indian Rupee
Indian Rupee to Surinamese DollarSurinamese Dollar to Indian Rupee
Indian Rupee to South Sudanese PoundSouth Sudanese Pound to Indian Rupee
Indian Rupee to Sao Tome And Principe DobraSao Tome And Principe Dobra to Indian Rupee
Indian Rupee to Salvadoran ColonSalvadoran Colon to Indian Rupee
Indian Rupee to Syrian PoundSyrian Pound to Indian Rupee
Indian Rupee to Swazi LilangeniSwazi Lilangeni to Indian Rupee
Indian Rupee to Thai BahtThai Baht to Indian Rupee
Indian Rupee to Tajikistani SomoniTajikistani Somoni to Indian Rupee
Indian Rupee to Turkmenistani ManatTurkmenistani Manat to Indian Rupee
Indian Rupee to Tunisian DinarTunisian Dinar to Indian Rupee
Indian Rupee to Tongan PaangaTongan Paanga to Indian Rupee
Indian Rupee to Turkish LiraTurkish Lira to Indian Rupee
Indian Rupee to Trinidad And Tobago DollarTrinidad And Tobago Dollar to Indian Rupee
Indian Rupee to New Taiwan DollarNew Taiwan Dollar to Indian Rupee
Indian Rupee to Tanzanian ShillingTanzanian Shilling to Indian Rupee
Indian Rupee to Ukrainian HryvniaUkrainian Hryvnia to Indian Rupee
Indian Rupee to Ugandan ShillingUgandan Shilling to Indian Rupee
Indian Rupee to United States DollarUnited States Dollar to Indian Rupee
Indian Rupee to Uruguayan PesoUruguayan Peso to Indian Rupee
Indian Rupee to Uzbekistan SomUzbekistan Som to Indian Rupee
Indian Rupee to Venezuelan Bolivar SoberanoVenezuelan Bolivar Soberano to Indian Rupee
Indian Rupee to Vietnamese DongVietnamese Dong to Indian Rupee
Indian Rupee to Vanuatu VatuVanuatu Vatu to Indian Rupee
Indian Rupee to Samoan TalaSamoan Tala to Indian Rupee
Indian Rupee to Cfa Franc BeacCfa Franc Beac to Indian Rupee
Indian Rupee to Silver Troy OunceSilver Troy Ounce to Indian Rupee
Indian Rupee to Gold Troy OunceGold Troy Ounce to Indian Rupee
Indian Rupee to East Caribbean DollarEast Caribbean Dollar to Indian Rupee
Indian Rupee to Special Drawing RightsSpecial Drawing Rights to Indian Rupee
Indian Rupee to Cfa Franc BceaoCfa Franc Bceao to Indian Rupee
Indian Rupee to Palladium OuncePalladium Ounce to Indian Rupee
Indian Rupee to Cfp FrancCfp Franc to Indian Rupee
Indian Rupee to Platinum OuncePlatinum Ounce to Indian Rupee
Indian Rupee to Yemeni RialYemeni Rial to Indian Rupee
Indian Rupee to South African RandSouth African Rand to Indian Rupee
Indian Rupee to Zambian KwachaZambian Kwacha to Indian Rupee

FAQ on Indian Rupee (INR) to Vanuatu Vatu (VUV) Conversion:

What is the Symbol of Indian Rupee and Vanuatu Vatu?

The symbol for Indian Rupee is '₹', and for Vanuatu Vatus, it is 'VT'. These symbols are used to denote in everyday currency analysis.

How to convert Indian Rupee(s) to Vanuatu Vatu(es)?

To convert Indian Rupee(s) to Vanuatu Vatu(es), multiply the number of Indian Rupees by 0.75609900412517 because one Indian Rupee equals 0.75609900412517 Vanuatu Vatus.
Formula: Vanuatu Vatus = Indian Rupees × 0.75609900412517.
This is a standard rule used in conversions.

How to convert Vanuatu Vatu(es) to Indian Rupee(s) ?

To convert Vanuatu Vatu(es) to Indian Rupee(s), divide the number of Vanuatu Vatus by 0.75609900412517, since, 1 Indian Rupee contains exactly 0.75609900412517 Vanuatu Vatu(es).
Formula: Indian Rupees = Vanuatu Vatu(s) ÷ 0.75609900412517.
It’s a common calculation in conversions.

How many Indian Rupee(s) are these in an Vanuatu Vatu(es) ?

There are 1.3225781207807 Indian Rupees in one Vanuatu Vatu. This is derived by dividing 1 Vanuatu Vatu by 0.75609900412517, as 1 Indian Rupee equals 0.75609900412517 Vanuatu Vatu(s).
Formula: Indian Rupee = Vanuatu Vatus ÷ 0.75609900412517.
It’s a precise currency conversion method.

How many Vanuatu Vatu(es) are these in an Indian Rupee(s) ?

There are exactly 0.75609900412517 Vanuatu Vatus in one Indian Rupee. This is a fixed value used in the measurement system.
Formula: Vanuatu Vatu(s) = Indian Rupees × 0.75609900412517.
It's one of the most basic conversions.

How many Vanuatu Vatu in 10 Indian Rupee?

There are 7.5609900412517 Vanuatu Vatus in 10 Indian Rupees. This is calculated by multiplying 10 by 0.75609900412517.
Formula: 10 Indian Rupees × 0.75609900412517 = 7.5609900412517 Vanuatu Vatus.
This conversion is helpful for measurements.

How many Vanuatu Vatu(s) in 50 Indian Rupee?

There are 37.804950206259 Vanuatu Vatus in 50 Indian Rupees. One can calculate it by multiplying 50 by 0.75609900412517.
Formula: 50 Indian Rupees × 0.75609900412517 = 37.804950206259 Vanuatu Vatus.
This conversion is used in many applications.

How many Vanuatu Vatu(s) in 100 Indian Rupee?

There are 75.609900412517 Vanuatu Vatu(s) in 100 Indian Rupees. Multiply 100 by 0.75609900412517 to get the result.
Formula: 100 Indian Rupees × 0.75609900412517 = 75.609900412517 Vanuatu Vatu(s).
This is a basic currency conversion formula.