Engine Oil Change D-day Calculator

Enter your last change date and odometer, monthly driving, and oil type to see your next change date and remaining distance and days.

🛢️ Last Change Record

📏 Driving Info

⚙️ Oil Type

📅 Change D-day Result

Until next change

D-122

Due date Oct 14, 2026

Plenty of margin

Remaining distance

4,000 km

Remaining days

122days

Usage progress60%

Distance limit will be reached first

Driven since change
6,000 km
Elapsed since change
180days
Applied interval
10,000 km
Applied interval
365days

Recommended Change Interval by Oil Type

Oil typeDistanceTime
Mineral5,000 km6 mo
Semi-synthetic7,500 km6 mo
Full synthetic10,000 km12 mo

※ Under severe driving, a ~30% shorter interval is recommended. Always follow your manufacturer manual first.

Reference Data

  • 🛢️ Mineral: typically 5,000 km / 6 months (conservative industry value)
  • ⚗️ Semi-synthetic: 7,500 km / 6 months
  • ✨ Synthetic: 10,000–15,000 km / 12 months (this tool uses 10,000 km)
  • 🚦 Severe-driving adjustment: interval shortened 30% (× 0.7)

※ All values are for general reference. The exact interval depends on your manufacturer manual, oil spec, and driving conditions.

Guide · FAQ · bal.pe.kr 도구 모음

For methodology and intervals, see Guide, FAQ at FAQ, sources and operator info at About. Last updated 2026-06-15.