Download Time Calculator
Estimate transfer time from file size and bandwidth.
Download Time Calculator
Estimate transfer time from file size and speed
Estimated Time
Breakdown
1m 20s
Summary
Downloading 1 GB at 100 Mbps will take approximately 1m 20s.
Total Seconds
80
Total Minutes
1.33
Total Hours
0.02
About This Tool
Estimate transfer duration from file size and network speed. Supports units up to PB (decimal & binary), includes 10% network overhead estimation, time breakdown, and one-click copy. All calculations run locally.
Features
- ⏱️ Instant Estimate: Enter size and speed to get time
- 🔢 Multi-Unit: Supports decimal & binary units up to PB
- ⚡ Network Overhead: Optional 10% TCP/IP overhead estimation
- 📊 Time Breakdown: Auto split into days/hours/minutes/seconds
- 📋 One-click Copy: Copy full summary for sharing
- 🛡️ Privacy First: Fully local processing