Version 1.0.0 — Now Available

Convert Everything
In One App

The ultimate all-in-one converter for currencies, distances, clothing sizes, data storage, and weights. 500+ units across 5 categories with real-time exchange rates.

GET IT ON Google Play Download on the App Store

v1.0.0 • Free • No Ads

Currency
USD 1,000.00
EUR 921.45
123456789.0
160+ Currencies
150+ Distance Units
300+ Apparel Sizes
65+ Storage Units
130+ Weight Units
18+ Countries
3 Theme Modes
5 Categories
Features

Everything You Need,
Nothing You Don't

Five powerful converters, a built-in calculator, complete history tracking, and three beautiful themes — all offline-ready.

Currency Exchange

Convert 160+ world currencies with live exchange rates. From USD to Bitcoin, every currency at your fingertips.

Distance & Length

150+ units spanning Metric, Imperial, Asian, Islamic, Biblical, Astronomical and more — from nanometers to light years.

Apparel & Sizing

300+ sizing standards across 18 countries. Shoes, clothing, pants, rings, hats, belts, gloves, bras and more.

Data Storage

65+ units from bits to yottabytes, including binary units, media formats like Blu-ray, and retro formats.

Weight & Mass

130+ units from grams to solar masses. Includes precious metals, cultural units, and scientific measurements.

Built-in Calculator

Full expression evaluator with +, −, ×, ÷ operators. Calculate and convert in one step.

Calculation History

Every conversion saved automatically. Review, restore, or clear your calculation history anytime.

Three Theme Modes

Light, Dark, and AMOLED Black themes. Choose the look that fits your style and saves your battery.

Categories

Five Worlds of
Conversion

From currencies to clothing, every unit you'll ever need. Tap a category to explore.

Currency Converter

160+ currencies

USD → EURJPY → GBPIDR → SGDBTC → USD
USD → EUR
JPY → GBP

Distance Converter

150+ units

km → mim → ftly → AUcm → in
km → mi
m → ft

Apparel Converter

300+ sizes

US 10 → EU 44UK 8 → JP 26US M → EU MRing US → EU
US 10 → EU 44
UK 8 → JP 26

Storage Converter

65+ units

GB → MBTB → GiBMB → KbDVD → CD
GB → MB
TB → GiB

Weight Converter

130+ units

kg → lboz → gct → mgt → st
kg → lb
oz → g
Download

Get CalConversion
On Your Platform

Available now on Android and iOS. Desktop and web versions are on the way.

Google Play

v1.0.0 Download Free

App Store

v1.0.0 Download Free
Coming Soon

Windows

Coming Soon Not Available
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macOS

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Debian

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Fedora

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Web App

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Use Cases

Built For
Everyone

Whether you're traveling, shopping, coding, or exploring — CalConversion is your universal companion.

I travel across Southeast Asia constantly — converting currencies and shoe sizes on the fly is a lifesaver.
Frequent Traveler · Currency & Apparel
As a data engineer, I need precise byte calculations daily. The binary and media unit support is unmatched.
Data Engineer · Data Storage
Shopping online from international stores? This app converts every clothing size standard instantly.
Online Shopper · Apparel Sizing
From astronomical distances to ancient measurement systems — this is the most comprehensive converter I've used.
Science Enthusiast · Distance & Weight