Convert US Fluid Dram to Liter
Convert us fluid drams to liters instantly. 1 us fluid dram = 0.0036966912 liter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Liter to US Fluid Dram converter for the reverse conversion.
Units explained
US Fluid Dram
A US fluid dram is 1/8 of a US fluid ounce (3.6967 mL).
An apothecaries' subdivision of the fluid ounce.
Historical pharmacy unit, now rare.
Apothecaries' system.
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.
US Fluid Dram to Liter conversion formula
The relationship between us fluid drams and liters:
To convert us fluid drams to liters, multiply the value in us fluid drams by 0.0036966912. To reverse, multiply liters by 270.5121816147.
How to use this converter
Type a value into the calculator. The result in liters updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Liter to US Fluid Dram converter for the reverse direction.
Step-by-step: convert us fluid drams to liters
- Write down the value in us fluid drams (fl dr).
- Multiply that value by the factor 0.0036966912.
- The product is the equivalent value in liters (L).
- To reverse, multiply the liter value by 270.5121816147.
Worked examples
Example 1 — Convert 1 fl dr to L:
1 × 0.0036966912 = 0.0036966912 L
Example 2 — Convert 100 fl dr to L:
100 × 0.0036966912 = 0.3696691195 L
Real-world example — Plastic film and laminate thickness
A 500-us fluid dram sheet is a typical spec for ID-card laminates and film overlays. Converting to liters aligns the value with the unit most CAD systems and material datasheets prefer.
500 fl dr × 0.0036966912 = 1.8483455977 L
Real-world example — Packaging gauge
A 4-us fluid dram plastic bag thickness is a common spec for grocery and freezer bags. Converting from us fluid drams to liters is what packaging buyers do whenever they bridge US and metric supplier quotes.
4 fl dr × 0.0036966912 = 0.0147867648 L
US Fluid Dram to Liter conversion table
Standard reference values for converting us fluid drams to liters:
| US Fluid Dram [fl dr] | Liter [L] |
|---|---|
| 0.01 | 3.696691e-5 |
| 0.1 | 0.0003696691 |
| 1 | 0.0036966912 |
| 2 | 0.0073933824 |
| 3 | 0.0110900736 |
| 4 | 0.0147867648 |
| 5 | 0.018483456 |
| 10 | 0.036966912 |
| 20 | 0.0739338239 |
| 30 | 0.1109007359 |
| 40 | 0.1478676478 |
| 50 | 0.1848345598 |
| 100 | 0.3696691195 |
| 500 | 1.8483455977 |
| 1000 | 3.6966911953 |
Frequently asked questions
How many liters is 1 us fluid dram?
How do I convert us fluid drams to liters?
How do I convert liters back to us fluid drams?
How many liters is 100 us fluid drams?
Popular volume unit conversions
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Metric / SI (3 units)
US Customary (Liquid) (1 units)
Imperial (UK) (1 units)
Cubic (length-derived) (1 units)
Sources & references
Conversion factor (1 fl dr = 0.0036966912 L) 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.