Instantly convert between US and China units — height, weight, shoe sizes, exchange rates, time zones, fuel prices, and more.
一换就懂,中美生活不心算。
Temperature, weight, length, area, volume, speed — with quick-access favourites
Shopping prices, kitchen measurements, housing, health units, parcel sizes
Fuel price, MPG vs L/100km, tire pressure, EV charging cost, service mileage
Language, country, default exchange rate, US time zone preference
Bi-directional conversion for temperature, weight, length, area, volume, and speed.
Auto-fetches the latest USD ↔ CNY rate. Falls back to a local cached rate if offline. Affects shopping price and fuel conversions too.
Pick any US time zone and see the corresponding Beijing time instantly. Includes a hint on whether it's a good time to call.
Convert body measurements and clothing / shoe sizes between US and Chinese standards — practical for online shopping or doctor visits.
Type a US price per pound and immediately see the equivalent CNY per jin, so you know whether the deal is good by familiar standards.
Fuel price USD/gal → CNY/L, MPG ↔ L/100km, tire pressure PSI/kPa/bar, EV charging cost, and maintenance mileage reference.
No account required. Open the app and start converting immediately.
No personal data uploaded. Your preferences stay on your device.
No ads, no tracking. Zero third-party analytics or ad SDKs.
No camera or location access. Not requested, not needed.
Network used only for exchange rates. One public API call, nothing else.
Works offline. Cached rate keeps all conversions functional without internet.
Currently in development. Have questions or suggestions? We'd love to hear from you.