SECTime Unit Converter
Convert between microseconds, milliseconds, seconds, minutes, hours, days, weeks, months, and years
Microseconds (마이크로초)
3,600,000,000
Milliseconds (밀리초)
3,600,000
Seconds (초)
3,600
Minutes (분)
60
Hours (시간)
1
Days (일)
0.041667
Weeks (주)
0.005952
Months (월)
0.001369
Years (년)
0.000114
Note: month = 30.4375 days (avg), year = 365.25 days (leap-year adjusted).
Complete Time Unit Conversion Guide
Time Unit Converter calculates conversions across 9 units — from microseconds to years — all at once. Whether you have a profiler output in microseconds and need to think in minutes, or need to set a cache TTL in seconds but plan in days, this tool eliminates manual math instantly.
Nanoseconds, Microseconds, Milliseconds in Practice
- Microseconds (µs): CPU instruction execution, cache lookups, in-memory operations
- Milliseconds (ms): HTTP response times, DB queries, JavaScript perf (
performance.now()) - Seconds (s): API timeouts, session expiry, cache TTL baseline
- 1ms = 1,000µs / 1s = 1,000ms = 1,000,000µs
Time Precision by System
| Environment | Precision | API / Tool |
|---|---|---|
| Linux kernel | Nanoseconds | clock_gettime(CLOCK_MONOTONIC) |
| Browser JS | Microseconds (security-limited) | performance.now() |
| Java/JVM | Nanoseconds | System.nanoTime() |
| Python | Nanoseconds | time.perf_counter_ns() |
| Go | Nanoseconds | time.Now().UnixNano() |
Using Time Units in Performance Benchmarks
- Convert P50/P99 latencies from ms to µs for fine-grained comparison
- Set cache TTL in seconds: "30 days = how many seconds?" → 2,592,000s instantly
- Convert JWT
expUnix timestamp differences from seconds to hours - SLA 99.9% uptime = max 8.77 hours downtime per year (8,760 × 0.001 = 8.76h)
How to Use
- Type a number in the input field.
- Choose the unit from the dropdown.
- All converted values appear instantly as cards. Use the copy button next to any value.