Live Rates & Multi-Currency Math

Currency converter with live rates, calculate formulas on the fly.

Stop copying totals between calculator apps and exchange sites. FlexiCalc currency converter combines live rates, formula input, and multi-currency sync on one screen.

Local-first calculations
iOS, Mac & Android

Travel & Expense Budget

Multi-currency sync and formula calculations

Live Currency Converter
Base Currency & Amount
7D Trend +0.42%
US Dollar
$100
Quick:
Converted TargetsExpression math supported
EUREuro
€88.82
CNYChinese Yuan
¥723.50
GBPBritish Pound
£74.90
JPYJapanese Yen
¥15,240
Offline caching enabledLive multi-currency sync
Why FlexiCalc Currency Converter?

Exchange rates should work inside your calculations

Standard currency tools only convert one static number at a time. Real international expenses involve discounts, taxes, tips, and multiple receipts.

01Calculate While Converting

Common calculator

Tally receipts in a calculator, then paste numbers into a converter.

FlexiCalc

Type expressions like 50+12*3 directly; totals convert immediately.

02Multi-Currency at a Glance

Common calculator

Switch currencies through nested dropdowns one pair at a time.

FlexiCalc

Keep frequent currencies on screen; changing one updates all of them.

03Historical Trends & Offline Access

Common calculator

Blind to rate volatility, and fails when traveling without Wi-Fi.

FlexiCalc

View 24h to 1y trend charts and use cached rates smoothly offline.

Formula-Driven Conversions

Enter math expressions directly so totals convert without extra copying

Multi-Currency Screen

Monitor multiple currencies simultaneously with instant synced conversions

Historical Volatility Charts

Interactive charts across multiple timeframes let you scrub through past rates

Offline Rate Caching

Automatic local caching ensures seamless conversions during flights or abroad

Quick Reference Cheat Sheet

Instant conversion tables for standard bill denominations speed up checkout

Three Steps to Foreign Exchange

From receipt math to multi-currency totals in seconds

Merge live exchange rates into an editable calculator without switching back and forth between apps.

  1. 01

    Pick your active currency

    Add frequently used currencies and tap any card to set it as the base reference.

  2. 02

    Enter receipt formulas

    Type addition, tips, and discounts directly into the keypad without pre-calculating.

  3. 03

    Review all currencies together

    Watch all target currencies update in unison and inspect rate trend charts.

Designed for Real-World Tasks

Calculate with Context & Clarity

Travel Expense Tracking

Travel

Tally overseas restaurant and shopping receipts with direct discount math and instant conversion

Enter 35*1.15 tip in USD and see EUR instantly

Cross-Border Shopping

Shopping

Compare international store prices across USD, EUR, and JPY to pick the best deal

Side-by-side comparison of $299 vs €280 with local tax

International Invoicing

Business

Estimate supplier quotes and foreign client payments with realistic rate buffers

Calculate landing cost with 7-day average rate

Multi-Currency Portfolios

Personal Finance

Sum cash holdings and balances across multiple currencies into your base asset overview

Aggregate USD, GBP, and EUR reserves in one view
Guides & Tutorials

Explore Detailed Walkthroughs

View all docs
FAQ

Frequently Asked Questions

Everything you need to know about calculating with FlexiCalc

Which currencies are supported?
FlexiCalc supports 170+ global fiat currencies with instant search by currency code (USD, EUR, GBP, JPY) or country name.
Can I convert currencies without an internet connection?
Yes. FlexiCalc caches the latest exchange rates locally, so you can continue calculations reliably offline while traveling.
Can I enter math formulas instead of single numbers?
Yes. Full arithmetic expressions (e.g. 120*0.8+15) are calculated first and converted into target currencies immediately.
How do I check historical exchange trends?
The conversion view provides trend charts for 24h, 7d, 1m, 6m, and 1y. Scrub across the line to evaluate historical rates.
FlexiCalc

Make every calculation clear, editable, and reusable

Download FlexiCalc to model budgets, loans, quotes, and everyday decisions on pages that update with you.