As you pack your bags for your trip to Japan, one essential detail to remember is Japan’s unique electrical system. Whether you’re charging your smartphone, or using any other device, understanding the voltage and plug differences in Japan is crucial.
Voltage in Japan: What You Need to Know
Japan operates on 100 volts, which is lower than the standard 120 volts in the U.S. and 230 volts in Europe.
The frequency differs by region: 50 Hz in eastern Japan (Tokyo) and 60 Hz in western Japan (Kyoto and Osaka). This regional difference in electrical frequency is uncommon, as most countries standardize a single frequency nationwide.
Quick Tip:
Check the label on your device’s power adapter. If it reads “100-240V,” you don’t need a converter.
| Device Type | Requires Converter? | Notes |
|---|---|---|
| Smartphone | No | Most chargers are dual voltage. |
| Laptop | No | Check the adapter label to confirm. |
| Hair Iron (U.S. model) | Yes | Most are not dual voltage. |
Check the “Input” Label on Your Device
When bringing electronic devices from the U.S. to Japan, the first step is to check the “Input” label on your device. This label is usually found on the power adapter or near the power cord.
Look for a range of numbers, such as “Input: 100-240V”
- If the range includes 100V, your device is compatible with Japan’s electrical system, and you only need a plug adapter.
- If it only lists 120V, your device cannot handle Japan’s lower voltage without a voltage converter.
Plug Types in Japan
Japan uses Type A plugs
(flat, two-pronged plugs)
Some U.S. devices with a third prong (grounding) won’t fit Japanese outlets.
Solution
Bring a Type A plug Adapter or a Universal Travel Adapter
If you get one with USB ports, you can charge several devices at once!
Note:
While universal travel adapters are incredibly convenient for fitting your plugs into Japanese outlets, they do not convert voltage.
Common Language Confusion: “Outlet” vs. “Concent” in Japan
When you are traveling in Japan and need to charge your devices, you might encounter a common language misunderstanding when asking for a place to plug in.
In the U.S., we refer to the electrical point on the wall as an “outlet.” However, in Japan, the word “outlet” (アウトレット) is primarily associated with outlet malls—shopping centers known for discount stores. So, asking, “Where is the outlet?” may lead to confusion or even directions to the nearest shopping mall!
In Japan, the correct term for what we call an “outlet” in the U.S. is “concent” (コンセント). This word is derived from the English “concentric plug,” but it’s exclusively used in Japanese for power outlets.
In Japan, the word “concent” (コンセント) is pronounced slightly differently from how English speakers might expect. Here’s a simple guide to get it right:
- “Con”: This sounds like “cone” in English.
- “Sen”: Pronounced like “sen” in “sent.”
- “To”: The final “to” is key—it sounds closer to “toe” than the English “t” sound in “tent.”
So, the full pronunciation would be like: “cone-sen-toe.”
“Concent wa doko desu ka?” (コンセントはどこですか？)
This small change in vocabulary can save you some confusion and help you get your devices charged more efficiently!
Summary – Japan’s Voltage and Plugs
Ensure your electronic devices are ready for Japan’s unique electrical system! Japan uses 100 volts with regional frequency variations (50 Hz in the east, 60 Hz in the west). Most modern devices like smartphones and laptops are dual voltage and only require a plug adapter. Check your device’s “Input” label—if it includes 100V, you’re good to go. Avoid the stress of last-minute shopping by purchasing a plug adapter on Amazon before your trip!