スマート旅行計算ツール

あなたに最適なデータプランを計算

旅行スタイルに合わせたeSIMのおすすめを表示します。ムダな課金を防止 海外でのデータ不足も回避。

200+
対応国
98%
精度
$50+
平均節約額

💡 Pro Tip:

Most travelers use 1-3GB per day. Use our calculator to get a personalized estimate based on your specific usage patterns.

Calculate Your Daily Mobile Data Usage

旅行中のデータ利用をカスタマイズ

Choose Your Travel Profile

Select the profile that best matches your typical internet usage while traveling abroad.

日々のアクティビティ

Social Media

~150 MB/h

Scrolling through feeds, posting content, and messaging

InstagramFacebookLinkedInX (Twitter)
時間/日

Video Streaming

~1500 MB/h

Watching videos, movies, and live streams

YouTubeNetflixTikTok
時間/日

Music Streaming

~100 MB/h

Listening to music and podcasts

SpotifyApple MusicYouTube Music
時間/日

Navigation

~10 MB/h

Getting directions and location services

Google MapsApple MapsWaze
時間/日

Web Browsing

~50 MB/h

Reading articles, shopping online, general browsing

NewsOnline shopping
時間/日

Emails & Messaging

~4 MB/h

Sending emails and instant messages

GmailWhatsAppMessenger
時間/日

Video Calling (VoIP)

~1000 MB/h

Video calls and conferencing

ZoomGoogle MeetFacetime
時間/日

Downloads & Updates

~300 MB/h

Downloading files and updating apps

App updatesFile downloads
時間/日

Your Personalized Data Usage Estimate

あなた向けのデータ見積もり

0 MB
月間

Monthly Data Usage

Based on your daily activities

0 MB
Weekly usage:
7日
0 MB
Daily usage:
1日あたり

Data Usage Breakdown by Activity

まだデータ使用量が計算されていません

Adjust your usage above to see the breakdown

Recommended eSIM Plans for Your Usage

あなたの利用に合うeSIMプラン

まだプランが計算されていません

Calculate your usage to see recommended plans

この計算ツールの仕組み

How Our Mobile Data Usage Calculator Works

Our data usage calculator estimates your mobile data consumption based on real-world usage patterns. We analyze how much data common internet activities typically consume per hour, then multiply by your daily usage time to provide accurate estimates for international travel.

Daily Calculation

Daily Usage: Hours per activity × Data per hour

Weekly Estimate

Weekly Usage: Daily usage × 7 days

Monthly Total

Monthly Usage: Daily usage × 30 days

Smart Matching

Recommendations: Based on your monthly estimate

アクティビティ別データ使用量

Social Media

150 MB/h

Scrolling through feeds, posting content, and messaging

Video Streaming

1500 MB/h

Watching videos, movies, and live streams

Music Streaming

100 MB/h

Listening to music and podcasts

Navigation

10 MB/h

Getting directions and location services

Web Browsing

50 MB/h

Reading articles, shopping online, general browsing

Emails & Messaging

4 MB/h

Sending emails and instant messages

Video Calling (VoIP)

1000 MB/h

Video calls and conferencing

Downloads & Updates

300 MB/h

Downloading files and updating apps

Important Note:

These are estimates based on typical usage patterns. Your actual data consumption may vary due to video quality settings, network conditions, app updates, and background processes. We recommend adding 20-30% buffer to your estimate for international travel.

Mobile Data Usage FAQ

Most travelers use 1-3GB per day. Light users (email, maps, messaging) need 0.5-1GB daily. Heavy users (streaming, video calls, social media) may need 3-5GB daily. Use our calculator above to get a personalized estimate based on your specific activities.
Video streaming apps (YouTube, Netflix) use 1-3GB per hour. Video calling (Zoom, FaceTime) uses 500MB-1GB per hour. Social media (Instagram, TikTok) uses 100-300MB per hour. Maps and navigation use 5-10MB per hour. Email and messaging use minimal data (1-5MB per hour).
Use Wi-Fi when available, download maps offline, disable auto-play videos, use data compression in browsers, turn off background app refresh, and use messaging apps instead of video calls when possible. Consider using our calculator to estimate your needs before your trip.
The average mobile user consumes 5-10GB per month. However, travelers often use more data due to navigation, translation apps, and staying connected with family. Business travelers may use 10-20GB monthly due to video conferencing and cloud services.
1GB lasts approximately: 1 hour of HD video streaming, 8-10 hours of social media browsing, 20-30 hours of web browsing, 100+ hours of messaging, or 200+ hours of email. The exact duration depends on your specific usage patterns.
No, when connected to Wi-Fi, your phone uses the Wi-Fi connection instead of mobile data. However, some apps may still use mobile data for background updates. Always check your phone's data usage settings to ensure apps don't use mobile data unnecessarily.
For a week-long trip: Light users need 3-7GB, moderate users need 7-15GB, and heavy users may need 15-30GB. Consider your planned activities - sightseeing with maps uses less data than streaming videos or video calling family daily.
1GB = 1,024MB. Mobile data plans are typically measured in GB. For reference: 1GB can handle about 1 hour of HD video, 8 hours of social media, or 20 hours of web browsing. Our calculator shows results in both MB and GB for clarity.
Our calculator provides estimates based on typical usage patterns. Actual usage may vary due to video quality settings, app updates, background processes, and network conditions. We recommend adding 20-30% buffer to your estimate for safety.
Unlimited plans are great for heavy users or when you're unsure of your needs. However, they're often more expensive. Use our calculator to estimate your usage first. If you expect to use more than 10GB per week, unlimited plans are usually cost-effective.
Video calls use 500MB-1GB per hour depending on quality. HD video calls use more data than standard quality. Group calls use more data than one-on-one calls. Consider using audio-only calls when possible to save data.
Choose a plan that covers your estimated usage with some buffer. Our calculator recommends plans based on your usage. Look for plans that offer good value (price per GB) and cover your destination countries. Consider plans with rollover data if available.