Convert Poundal to Momme
Convert poundals to mommes instantly. 1 poundal = 3.75645856 momme — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Momme to Poundal converter for the reverse conversion.
Units explained
Poundal
The poundal (pdl) is the FPS absolute unit of force; its mass-equivalent on this scale is about 0.0141 kg.
Defined in the foot-pound-second absolute system in the late 19th century.
Early 20th-century physics and engineering.
Introduced in the absolute FPS system as an alternative to gravitational units.
Momme
The momme (mom) equals 3.75 grams.
A traditional Japanese mass unit (Japanese 'monme').
Pearls, and as the standard weight grade for silk fabric.
Part of the traditional Japanese shakkanho system.
Poundal to Momme conversion formula
Note: this conversion uses a generally accepted modern value. Historical and regional definitions of this unit varied across times and places.
The relationship between poundals and mommes:
To convert poundals to mommes, multiply the value in poundals by 3.75645856. To reverse, multiply mommes by 0.2662081809.
How to use this converter
Type a value into the calculator. The result in mommes updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Momme to Poundal converter for the reverse direction.
Step-by-step: convert poundals to mommes
- Write down the value in poundals (pdl).
- Multiply that value by the factor 3.75645856.
- The product is the equivalent value in mommes (mom).
- To reverse, multiply the momme value by 0.2662081809.
Worked examples
Example 1 — Convert 1 pdl to mom:
1 × 3.75645856 = 3.75645856 mom
Example 2 — Convert 100 pdl to mom:
100 × 3.75645856 = 375.645856 mom
Real-world example — Ruler-scale measurements
A 30-poundal school ruler converts cleanly to mommes — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 pdl × 3.75645856 = 112.6937568 mom
Real-world example — Hardware-scale dimensions
A 10-poundal fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between poundals and mommes daily when mixing metric and imperial tools.
10 pdl × 3.75645856 = 37.5645856 mom
Real-world example — Postcard and small-object dimensions
A postcard is about 5 poundals wide. Converting to mommes is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 pdl × 3.75645856 = 18.7822928 mom
Poundal to Momme conversion table
Standard reference values for converting poundals to mommes:
| Poundal [pdl] | Momme [mom] |
|---|---|
| 0.01 | 0.0375645856 |
| 0.1 | 0.375645856 |
| 1 | 3.75645856 |
| 2 | 7.51291712 |
| 3 | 11.26937568 |
| 4 | 15.02583424 |
| 5 | 18.7822928 |
| 10 | 37.5645856 |
| 20 | 75.1291712 |
| 30 | 112.6937568 |
| 40 | 150.2583424 |
| 50 | 187.822928 |
| 100 | 375.645856 |
| 500 | 1878.22928 |
| 1000 | 3756.45856 |
Frequently asked questions
How many mommes is 1 poundal?
How do I convert poundals to mommes?
How do I convert mommes back to poundals?
How many mommes is 100 poundals?
Popular weight unit conversions
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Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (10 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 pdl = 3.75645856 mom) 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 Astronomical Union — System of Astronomical Constants
The IAU defines astronomical units including the AU (149597870700 m exactly) light-year and parsec used in astronomy and astrophysics.