Currency tools

Convert currencies, compare rates, and review historical reference rates from official sources.

Convert between world currencies with live reference rates.

Browse a full table of exchange rates from a chosen base currency.

Compare several currencies side by side against a base amount.

See how a currency pair has moved over recent months.

Estimate trip spending across destination currencies.

Search countries for capitals, population, currency, and more.

Compare two countries on population, GDP, area, and other indicators.

Interactive charts of population, GDP, internet use, and more.

Look up a country’s capital city instantly.

Find which currency a country uses.

Find a paper’s DOI, authors, journal, and citation details.

Generate APA, MLA, Chicago, Harvard, IEEE, Vancouver, BibTeX, and RIS.

Search scholarly literature by title, author, DOI, or keyword.

Find researchers, institutions, and publication records.

Search academic institutions and their research output.

Calculate GPA from course grades and credit hours.

Convert semester GPAs into a cumulative CGPA.

See how many classes you can miss and still meet the requirement.

Work out percentages, marks, and increase or decrease.