Convert Liter to Milliliter
Convert liters to milliliters instantly. 1 liter = 1000 milliliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Milliliter to Liter converter for the reverse conversion.
Units explained
Liter
The liter is a metric unit of volume equal to one cubic decimeter (0.001 m³). It is the everyday metric volume unit.
Introduced in France in 1795; redefined in 1964 as exactly one cubic decimeter.
The world's common unit for beverages, fuel, and household liquids.
France, 1795; CGPM 1964.
Milliliter
A milliliter is one thousandth of a liter, exactly equal to one cubic centimeter.
Formed with the SI prefix milli- applied to the liter.
The standard small-volume unit in cooking, medicine and the laboratory.
Metric prefix system.
Liter to Milliliter conversion formula
The relationship between liters and milliliters:
To convert liters to milliliters, multiply the value in liters by 1000. To reverse, multiply milliliters by 0.001.
How to use this converter
Type a value into the calculator. The result in milliliters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Milliliter to Liter converter for the reverse direction.
Step-by-step: convert liters to milliliters
- Write down the value in liters (L).
- Multiply that value by the factor 1000.
- The product is the equivalent value in milliliters (mL).
- To reverse, multiply the milliliter value by 0.001.
Worked examples
Example 1 — Convert 1 L to mL:
1 × 1000 = 1000 mL
Example 2 — Convert 100 L to mL:
100 × 1000 = 100000 mL
Real-world example — Adjacent metric sub-units
One liter equals 1,000 milliliters. Engineers move between these scales constantly: PCB feature sizes in the larger unit, wire-bond diameters in the smaller.
1 L × 1000 = 1000 mL
Real-world example — Adjacent small-scale precision
One liter equals 1,000 milliliters — the standard sub-millimeter precision conversion that materials engineers use whenever they switch between bulk material thickness specs (larger unit) and surface-finish characteristics (smaller unit).
1 L × 1000 = 1000 mL
Liter to Milliliter conversion table
Standard reference values for converting liters to milliliters:
| Liter [L] | Milliliter [mL] |
|---|---|
| 0.01 | 10 |
| 0.1 | 100 |
| 1 | 1000 |
| 2 | 2000 |
| 3 | 3000 |
| 4 | 4000 |
| 5 | 5000 |
| 10 | 10000 |
| 20 | 20000 |
| 30 | 30000 |
| 40 | 40000 |
| 50 | 50000 |
| 100 | 100000 |
| 500 | 500000.0000000001 |
| 1000 | 1000000.0000000001 |
Frequently asked questions
How many milliliters is 1 liter?
How do I convert liters to milliliters?
How do I convert milliliters back to liters?
How many milliliters is 100 liters?
Popular volume unit conversions
Convert Liter to other volume units
Show all Liter conversions
Metric / SI (13 units)
US Customary (Liquid) (15 units)
US Customary (Dry) (5 units)
Imperial (UK) (14 units)
Cubic (length-derived) (4 units)
Cooking / Culinary (5 units)
Industrial / Specialized (6 units)
Sources & references
Conversion factor (1 L = 1000 mL) verified against the following authoritative sources:
- BIPM — The International System of Units (SI Brochure 9th ed.)
Official BIPM publication defining the seven SI base units (including the meter) and the rules for their use. The global authority on units of measurement.
- NIST — Guide to the SI
US National Institute of Standards and Technology reference covering the SI base and derived units with definitions and usage rules for US technical practice.
- NIST Special Publication 811 — Guide for the Use of the International System of Units
Detailed NIST guide covering exact conversion factors between SI and US customary units along with formatting and rounding conventions.
- NIST — Refinement of values for the yard and pound (Federal Register 1959)
The treaty (signed by US
- International Hydrographic Organization — Resolution on the Nautical Mile
International authority that standardised the nautical mile at exactly 1852 m in 1929 — the value adopted worldwide for sea and air navigation.