Oil Volume Calculator

Convert engine-oil volumes between US quarts, US gallons, liters, and imperial quarts.

Calculator Automotive Updated Apr 19, 2026
How to Use
  1. Type in any field — the rest convert instantly.
Volume
Typical capacities
4-cyl engine
~4.0 – 4.5 US qt (3.8 – 4.3 L)
V6 engine
~5.0 – 6.0 US qt (4.7 – 5.7 L)
V8 engine
~5.0 – 8.0 US qt (4.7 – 7.6 L)
Diesel (passenger)
~6.0 – 10.0 US qt
Motorcycle
~1.0 – 4.0 US qt

Conversions

US qt → L
× 0.946353
US gal → L
× 3.785412
UK qt → L
× 1.136523
UK gal → L
× 4.546090

Frequently Asked Questions

US quart vs imperial quart?

US quart ≈ 0.946 L. Imperial quart ≈ 1.136 L — 20% larger.

How much oil goes in my engine?

Typical 4-cyl: 4–4.5 qt US. V6: 5–6 qt. V8: 5–8 qt. Always check the dipstick 5 min after running.

Common Use Cases

Shopping

Convert 5-liter European jug to US quarts.

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