Convert US Fluid Dram to Milliliter
Convert us fluid drams to milliliters instantly. 1 us fluid dram = 3.6966911953 milliliter — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Milliliter 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.
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.
US Fluid Dram to Milliliter conversion formula
The relationship between us fluid drams and milliliters:
To convert us fluid drams to milliliters, multiply the value in us fluid drams by 3.6966911953. To reverse, multiply milliliters by 0.2705121816.
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 US Fluid Dram converter for the reverse direction.
Step-by-step: convert us fluid drams to milliliters
- Write down the value in us fluid drams (fl dr).
- Multiply that value by the factor 3.6966911953.
- The product is the equivalent value in milliliters (mL).
- To reverse, multiply the milliliter value by 0.2705121816.
Worked examples
Example 1 — Convert 1 fl dr to mL:
1 × 3.6966911953 = 3.6966911953 mL
Example 2 — Convert 100 fl dr to mL:
100 × 3.6966911953 = 369.6691195313 mL
Real-world example — Plastic-film thickness alternates
A 150-us fluid dram plastic film converts cleanly to milliliters — useful for packaging buyers reconciling supplier datasheets across metric and US measurement systems.
150 fl dr × 3.6966911953 = 554.5036792969 mL
Real-world example — Hair-width scale measurements
A 70-us fluid dram measurement (about the diameter of a human hair) is the kind of value materials engineers regularly express in adjacent micro-scale units like milliliters for direct comparison across supplier datasheets.
70 fl dr × 3.6966911953 = 258.7683836719 mL
Real-world example — Paper and film thicknesses
At the thickness of office paper (roughly 3 us fluid drams), converting between sub-millimeter units is routine for packaging and printing buyers comparing quotes from metric and US suppliers.
3 fl dr × 3.6966911953 = 11.0900735859 mL
US Fluid Dram to Milliliter conversion table
Standard reference values for converting us fluid drams to milliliters:
| US Fluid Dram [fl dr] | Milliliter [mL] |
|---|---|
| 0.01 | 0.036966912 |
| 0.1 | 0.3696691195 |
| 1 | 3.6966911953 |
| 2 | 7.3933823906 |
| 3 | 11.0900735859 |
| 4 | 14.7867647813 |
| 5 | 18.4834559766 |
| 10 | 36.9669119531 |
| 20 | 73.9338239063 |
| 30 | 110.9007358594 |
| 40 | 147.8676478125 |
| 50 | 184.8345597656 |
| 100 | 369.6691195313 |
| 500 | 1848.3455976563 |
| 1000 | 3696.6911953125 |
Frequently asked questions
How many milliliters is 1 us fluid dram?
How do I convert us fluid drams to milliliters?
How do I convert milliliters back to us fluid drams?
How many milliliters is 100 us fluid drams?
Popular volume unit conversions
Convert US Fluid Dram to other volume units
Show all US Fluid Dram conversions
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 = 3.6966911953 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.