Currency Calculators
Break-Even Exchange Rate Calculator
Find the exact exchange rate at which buying an item abroad costs the same as buying it domestically.
Cross Currency Converter
Build a cross rate for a pair nobody quotes directly by chaining two legs through an intermediate currency, with worked examples and direction checks.
Currency Appreciation Percentage Calculator
Calculate the percentage a currency has appreciated or depreciated between two exchange rate values over time.
Currency Arbitrage Calculator
Test three exchange rates for a triangular arbitrage loop, with the product formula, worked profit figures and why real spreads close the gap so fast.
Currency Basket Weighted Rate Calculator
Calculate a weighted average exchange rate across multiple currencies based on their exposure weights, similar to a trade-weighted currency index.
Currency Conversion Fee Calculator
Reveal the fee hidden inside an offered rate by comparing it against the mid-market rate, with a spread cost table and where hidden spreads usually show up.
Currency Converter
Convert an amount between two named currencies at a rate you enter, with the quote direction explained and reciprocal rates for converting back again.
Currency Devaluation Impact Calculator
Calculate how much value is lost when a currency is devalued by a given percentage, useful for travelers, expats, and investors.
Currency Exchange Calculator
Convert an amount and get the reverse rate in one step, with a reciprocal rate table, a curve chart and why small rates swing their mirror image so much harder.
Exchange Rate Calculator
Convert an amount at an exchange rate you supply, with the direction of the quote explained and a worked table showing how the rate scales the result.
Foreign Transaction Fee Calculator
Work out the card surcharge added to a foreign purchase, with a fee table across the common card rates and why it stacks on top of the conversion spread.
Forex Carry Trade Calculator
Estimate the annual carry trade return from the interest rate differential between two currencies and your position size.
Forex Margin Requirement Calculator
Calculate the exact margin required to open a forex position given your position size and leverage ratio.
Forex Pip Calculator
Work out what a single pip is worth from pip size, exchange rate and lot size, with standard, mini and micro lot values plus the yen pair pip difference.
Forex Position Size Calculator
Calculate the correct forex position size in lots based on your account risk amount, stop loss distance in pips, and pip value.
Forward Exchange Rate Calculator
Calculate the theoretical forward exchange rate using covered interest rate parity from the spot rate and both currencies' interest rates.
Historical Exchange Rate Calculator
Compare an amount converted at two exchange rates and the percentage the rate moved, with worked examples and why the base rate always sets the percentage.
Purchasing Power Parity Calculator
Compare a market exchange rate against the rate implied by two basket prices, with the PPP formula, worked verdicts and why the gap tends to persist for years.
Round-Trip Currency Conversion Loss Calculator
Calculate how much value is lost converting currency A to B and back to A again, due to the buy/sell rate spread.
Single-Good Purchasing Power Parity Calculator
Calculate an implied purchasing-power-parity exchange rate from the price of a single identical good in two currencies, Big Mac Index style.
What a Currency Is Really Worth Right Now
Currency values shift constantly against each other, and the fees layered on top of a conversion often matter as much as the exchange rate itself. These ten calculators cover conversion, fees, and purchasing power math for working across currencies.
Where Conversion Fees Actually Add Up
Converting the same $1,000 can cost very different amounts depending on where it happens — and the fee is often built into the exchange rate itself (a "spread") rather than shown as a visible charge.
| Method | Typical Fee | Cost on $1,000 |
|---|---|---|
| Fintech app | ~0.5% | $5 |
| Traditional bank | ~3% | $30 |
| Airport exchange kiosk | ~8-10% | $80-100 |
Compare your own conversion with the Currency Conversion Fee Calculator before choosing where to exchange — the rate you see quoted on a news site is the wholesale interbank rate, and any retail exchange applies its own markup on top.
Popular Currency Calculators
- Currency Converter — converts an amount between two currencies at the current exchange rate.
- Purchasing Power Parity Calculator — compares what an amount of money actually buys across different countries.
- Forex Pip Calculator — calculates the monetary value of a pip movement for a given position size.
Related: Cryptocurrency Calculators, Travel Calculators for broader trip budgeting.