United States travel checklist
Power, visa, eSIM, packing rules, and weather in one fast page.
Currency
USD
Language
English
Power
Plug types A, B, 120V / 60Hz.
Time zone
EST (UTC-5)
Power banks
Under 100Wh allowed in carry-on; 100-160Wh needs airline approval; Up to 2 units.
United States travel checklist overview
What this page covers
The United States travel checklist highlights the key rules that affect most visitors: power standards, entry requirements, SIM options, carry-on rules, and weather expectations.
Who it helps
Use this checklist if you want a fast pre-flight scan before diving into the full tools. It is designed for first-time visitors and quick repeat trips.
Local context
Expect 120V power, strong eSIM coverage in major cities, and TSA carry-on limits that are enforced at security checkpoints.
United States quick local pointers
Power & adapters (fast check)
Plug types A, B, 120V / 60Hz.
Visa snapshot (common passports)
United Kingdom: visa-free (90 days | ESTA authorization required - apply online before travel.) • Japan: visa-free (90 days | ESTA required before travel.) • Australia: visa-free (90 days | ESTA required before travel.)
Money & timing
Currency: USD. Spring and fall offer mild weather
Local time in United States (travel planning)
Quickly check the current local time and convert your arrival time for common cities. (Auto-detects your time zone.)
Washington, D.C.
America/New_YorkNew York
America/New_YorkLos Angeles
America/Los_AngelesArrival time converter
Pick a time in your time zone. We will show the matching local time for each city above.
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United States plug type & voltage
United States visa requirements
United States eSIM picks
Entry essentials
🛂 Visa & entry
- ESTA required for visa waiver passports, B1/B2 for others
- Passport should be valid for the full stay
- Onward or return ticket recommended
🔌 Power & charging
- Type A/B plugs, 120V power
- Check device input labels for 100-240V support
- Bring a voltage converter for high-watt devices
📱 eSIM & data
- Major cities have strong 4G/LTE coverage
- Unlimited plans are best for navigation-heavy trips
- Activate eSIM before arrival for instant access
💳 Payments
- Cards widely accepted in cities
- Sales tax added at checkout
- Keep a small cash backup for tips and transit
Getting around, safety, and best seasons
🚆 Transportation
- Domestic flights are common for long distances
- Ride-hailing works well in major cities
- Tipping drivers is common in many areas
🛡️ Safety
- Emergency number is 911
- Keep valuables secure in crowded areas
- Avoid leaving bags unattended on public transport
🌤️ Best seasons
- Spring and fall offer mild weather
- Summer is peak season in major cities and national parks
- Winter storms can disrupt travel in northern states
Planning checklist
United States travel checklist tools to use
Power bank rules
Under 100Wh allowed in carry-on; 100-160Wh needs airline approval; Up to 2 units.
Open tool →Visa and entry snapshot
| Passport | Status | Notes |
|---|---|---|
| United Kingdom | visa-free | 90 days | ESTA authorization required - apply online before travel. |
| Japan | visa-free | 90 days | ESTA required before travel. |
| Australia | visa-free | 90 days | ESTA required before travel. |
| France | Check | Open visa tool for full rules. |
Best eSIM picks for United States
Airalo
5GB for 30 days • $15 • 4G/5G
Nomad
5GB for 30 days • $18 • 4G/LTE
Weather and packing advice
Best weather months around New York:
- September: 24°C / 17°C, 109mm rain
- May: 22°C / 13°C, 106mm rain
- June: 27°C / 18°C, 112mm rain
FAQ
It depends on your passport. Many travelers use ESTA, while others need a B1/B2 visa.
The United States uses type A and B plugs with 120V / 60Hz power.
Yes, but they must be carried in the cabin and are limited by watt-hour rating.
Other destinations
Last updated: 2025-02-01. Always confirm critical rules with official sources.