500+Units

5Categories

Real-time Rates

Convert EveryCurrency.

The all-in-one converter for currencies, crypto, stocks, distance, apparel sizing, data storage, and mass — with real-time exchange rates, multi-target conversion, a built-in bargain calculator, and full offline support.

Download Free Learn more

Currency ConversionLIVE

🇺🇸 USD1,000.00

🇪🇺 EUR921.35

🇬🇧 GBP789.42

🇯🇵 JPY149,832

9 Precision Features

Engineered for Every Conversion

Three features that exist nowhere else, plus six essential tools that redefine what a conversion app can do.

Exclusive

Up to 6 target units simultaneouslyAll results visible on a single screenWorks across every conversion category

Only in CalConversion

Multi-Target Conversion

Convert a single value into up to 6 different target units at the same time — all displayed side-by-side on one screen. Whether you're converting currencies, distances, apparel sizes, weights, or digital storage, every result appears instantly without switching tabs or re-entering values. No other conversion app offers this level of simultaneous multi-unit output.

Why This Matters

Most conversion apps only let you convert one unit at a time, forcing you to repeat the same input again and again. Multi-Target eliminates that friction completely, saving significant time and reducing errors when you need to compare or share multiple results.

Up to 6 target units simultaneouslyAll results visible on a single screenWorks across every conversion categoryNo re-entering values — change once, update all

Real-World Scenarios

Compare a product price in USD, EUR, GBP, JPY, AUD, and CAD at a glance while shopping internationally

Convert your height into cm, inches, feet, and meters simultaneously for filling out international forms

See a file size in KB, MB, GB, TB, and PB at once when managing cloud storage or transferring data

Five Worlds of Conversion

500+ Units. Five Categories. Zero Limits.

Explore every category CalConversion covers — from fiat currencies and cryptocurrencies to historic measurement systems from 18+ civilizations.

Currency

Every Currency on Earth. And Off It.

260+units

Convert between 160+ fiat currencies, 80+ cryptocurrencies, and 20+ stock market tickers. Six independent rate providers cross-verify every exchange rate for unmatched accuracy.

Sub-categories

Fiat CurrenciesCryptocurrenciesStock Market

Popular Units

USDEURGBPJPYBTCETHSOLDOGEAAPLGOOGLTSLAAMZN

5Categories

586+Total Units

18+Countries

14+Historic Systems

Competitive Analysis

CalConversion vs. The Competition

Select a competitor below to see a head-to-head feature breakdown. CalConversion leads with complete coverage across all 12 capabilities.

12/12Features

Multi-target conversionUp to 6 targets

XE CurrencyLimited

Expression evaluation in inputYes

XE CurrencyNo

Bargain modeYes

XE CurrencyNo

Apparel & ring size conversionYes

XE CurrencyNo

Location-based currency defaultsYes

XE CurrencyYes

Multiple exchange rate providers11 providers

XE Currency1

Offline mode with cached ratesYes

XE CurrencyYes

Real-time crypto & stock tickersYes

XE CurrencyNo

Conversion history & favoritesYes

XE CurrencyNo

Built-in bug report with attachmentsYes

XE CurrencyNo

Cross-platform availabilityiOS, Android

XE CurrencyiOS, Android, Web

Theme options4 modes

XE Currency2 modes

7Wins

5Ties

0Losses

How It Works

Your Conversion Journey

From launch to result in six seamless steps. Here's exactly how CalConversion turns any value into the units you need.

Step 1 of 6

Open & Auto-Detect Location

Launch CalConversion and grant location access. The app instantly identifies your country and pre-selects your local currency — zero setup, zero typing. You can always override manually, but most users never need to.

Location data never leaves your device. Works fully offline after first launch.

Zero-config setup

GPS DetectionOffline ReadyPrivacy-First

Step 2 of 6

Pick a Conversion Category

Choose from five specialized converters: Currency (260+ fiat, 80+ crypto, 20+ stocks), Distance & Length, Apparel & Ring Sizes, Data Storage, and Mass & Weight. Each category is color-coded with units organized by relevance.

500+ units across all categories — the most comprehensive converter on mobile.

5 categories, 500+ units

CurrencyDistanceApparelStorageWeight

Step 3 of 6

Set Source & Target Units

Select your source unit and up to 6 simultaneous targets. Compare results side by side — convert 100 USD into EUR, GBP, JPY, BTC, and AUD all at once, on a single screen, without switching tabs.

Multi-target works in every category, not just currency.

Up to 6 targets at once

Multi-TargetSide-by-SideAll Categories

Step 4 of 6

Enter a Value or Expression

Type a number or a full math expression like 5×20+10. CalConversion evaluates it instantly and converts the result across all your targets — a built-in calculator and converter in one step.

Supports +, −, ×, ÷ with expressions up to 50 characters.

Built-in expression engine

+ − × ÷Math InputNo Calculator

Step 5 of 6

View Results & History

All results appear simultaneously with real-time rates cross-verified across 11 independent providers. Every conversion is auto-saved with full timestamps, so you can revisit, compare trends, and track favorites.

Rates are cross-verified across providers for maximum accuracy.

11 rate providers

Cross-VerifiedHistory LogTrend Tracking

Step 6 of 6

Report Issues Instantly

Found a bug? Use the built-in report tool — describe the issue, attach screenshots, and submit directly to the dev team. Device metadata is included automatically for faster resolution.

Reports are delivered via secure SMTP with full device context attached.

Direct dev channel

ScreenshotsAttachmentsFast Response

Real-World Scenarios

See It in Action

Real problems people face every day — and how CalConversion solves each one in seconds.

Shopping From Overseas Websites💱Currency

The Problem

You find an item on a foreign store but the price is in an unfamiliar currency. You open a browser tab for the exchange rate, then grab your phone calculator to add shipping and tax. By the time you figure out the real cost, you've wasted minutes and still aren't sure it's a good deal. Most converter apps handle only one currency pair at a time with no built-in math.

CalConversion Solution

Open Bargain Mode, type the foreign price, add shipping, multiply by quantity — all inside the conversion field. The total instantly appears in your home currency. Switch to Multi-Target to see that same total in 5 other currencies at once. Live rates from 11 cross-verified providers mean you can trust every number on screen.

Powered byBargain ModeMulti-Target Conversion11 Rate Providers

Get CalConversion

One App.Every Conversion.

500+ units across currency, distance, apparel, data storage, and weight — powered by 11 cross-verified rate providers with built-in math expressions. Free on iOS and Android. No account needed. Works completely offline.

Free forever — no subscriptions, no ads

Works offline with cached exchange rates

All data stays on your device — zero tracking

No account or sign-up required

Download on theApp Store Get it onGoogle Play

Multi-Target PreviewLive

1,000USDUS Dollar

920.15EUR · Euro

157,280JPY · Japanese Yen

794.30GBP · British Pound

83,425INR · Indian Rupee

Platform Availability