Volume • NIST Exact

Liters Milliliters

L → mL

1 L = 1,000 mLNIST Exact

L → mL Reference Table

L mL
0.01 L 10 mL
0.1 L 100 mL
0.5 L 500 mL
1 L 1000 mL
2 L 2000 mL
5 L 5000 mL
10 L 10000 mL
20 L 20000 mL
50 L 50000 mL
100 L 100000 mL
500 L 500000 mL
1000 L 1000000 mL

Values based on NIST SP 811 conversion factors

🌍 Real-World Examples

Standard large water bottle

1 L = 1000 mL

Standard soda/beer can

0.33 L = 330 mL

Bottle of cooking oil

5 L = 5000 mL

Standard water bottle

0.5 L = 500 mL

Why Convert Liters to Milliliters?

Converting between liters (L) and milliliters (mL) is one of the most common volume conversions. Whether for engineering, cooking, travel, or science, knowing how to quickly convert L to mL saves time and prevents errors.

Volume conversions between L and mL are vital for cooking, travel, and automotive contexts. The TSA 3-1-1 rule limits carry-on liquids to 100 mL (3.4 fl oz) containers — a conversion every international traveler needs. In cooking, US recipes use cups and tablespoons while metric recipes use milliliters. For automotive purposes, fuel tank capacity is measured in liters in most countries but gallons in the US.

How to Convert Liters to Milliliters

To convert liters to milliliters, use the following formula:

mL = L × 1000

Example: 1 L = 1000 mL

For example, 5 L = 5000 mL, 10 L = 10000 mL, and 100 L = 100000 mL. Our calculator above performs this conversion instantly with full precision — no rounding errors.

Common Use Cases

  • Standard large water bottle: 1 L = 1000 mL
  • Standard soda/beer can: 0.33 L = 330 mL
  • Bottle of cooking oil: 5 L = 5000 mL
  • Standard water bottle: 0.5 L = 500 mL

Common Mistakes to Avoid

  • US vs UK gallons: A US gallon (3.785 L) is smaller than a UK gallon (4.546 L). Always specify which system you're using.
  • Fluid ounces vary: US fluid ounce ≠ UK fluid ounce. This converter uses US measures unless specified as UK.
  • Cup measurement inconsistency: A US cup = 236.6 mL, metric cup = 250 mL, Japanese cup = 200 mL. Always verify which standard your recipe uses.

Pro Tips

  • Memorize the factor: 1 L = 1000 mL. For quick mental math, remember this base conversion.
  • Quick reference: 5 L = 5000 mL · 10 L = 10000 mL · 25 L = 25000 mL · 50 L = 50000 mL · 100 L = 100000 mL
  • Bookmark this page: Save this converter for instant access. It works offline once loaded — no internet needed.

Liters to Milliliters Conversion Table

LmL
0.01 L10 mL
0.1 L100 mL
0.5 L500 mL
1 L1000 mL
2 L2000 mL
5 L5000 mL
10 L10000 mL
20 L20000 mL
50 L50000 mL
100 L100000 mL
500 L500000 mL
1000 L1000000 mL

All values in this table are mathematically exact per NIST SP 811.

Frequently Asked Questions

How many milliliters are in 1 liter?

1 L equals 1000 mL. This is an exact conversion factor defined by NIST.

How do I convert liters to milliliters?

Multiply the value in L by the conversion factor. For example, 10 L = 10000 mL. Use our calculator above for instant results.

Is the liters to milliliters conversion exact?

Yes, this conversion is mathematically exact based on the international definition of these units (NIST SP 811).

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