Convert Pennyweight to Quintal (metric)
Convert pennyweights to quintals (metric) instantly. 1 pennyweight = 1.555174e-5 quintal (metric) — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Quintal (metric) to Pennyweight converter for the reverse conversion.
Units explained
Pennyweight
The pennyweight (dwt) equals one-twentieth of a troy ounce, 24 grains (about 1.555 g).
From the mass of a medieval English silver penny; symbol dwt from 'denarius weight'.
Jewelry making and precious-metal scrap valuation in the US.
Derived from the medieval English coinage system.
Quintal (metric)
The metric quintal (q) equals 100 kilograms.
From Latin 'centenarius' (hundredweight) via Arabic 'qintar'.
Agriculture across India, Europe, and Latin America for grain and produce.
Fixed at 100 kg with the spread of the metric system in the 19th century.
Pennyweight to Quintal (metric) conversion formula
The relationship between pennyweights and quintals (metric):
To convert pennyweights to quintals (metric), multiply the value in pennyweights by 1.555174e-5. To reverse, multiply quintals (metric) by 64301.4947911288.
How to use this converter
Type a value into the calculator. The result in quintals (metric) updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Quintal (metric) to Pennyweight converter for the reverse direction.
Step-by-step: convert pennyweights to quintals (metric)
- Write down the value in pennyweights (dwt).
- Multiply that value by the factor 1.555174e-5.
- The product is the equivalent value in quintals (metric) (q).
- To reverse, multiply the quintal (metric) value by 64301.4947911288.
Worked examples
Example 1 — Convert 1 dwt to q:
1 × 1.555174e-5 = 1.555174e-5 q
Example 2 — Convert 100 dwt to q:
100 × 1.555174e-5 = 0.0015551738 q
Real-world example — Postcard and small-object dimensions
A postcard is about 5 pennyweights wide. Converting to quintals (metric) is essential for international postal addressing forms that ask for dimensions in different units across countries.
5 dwt × 1.555174e-5 = 7.775869e-5 q
Real-world example — Ruler-scale measurements
A 30-pennyweight school ruler converts cleanly to quintals (metric) — useful when buying a desk accessory from a retailer whose product specs use a different unit.
30 dwt × 1.555174e-5 = 0.0004665521 q
Real-world example — Hardware-scale dimensions
A 10-pennyweight fastener or component is about as long as a thumbnail. Mechanics and DIY enthusiasts convert between pennyweights and quintals (metric) daily when mixing metric and imperial tools.
10 dwt × 1.555174e-5 = 0.0001555174 q
Pennyweight to Quintal (metric) conversion table
Standard reference values for converting pennyweights to quintals (metric):
| Pennyweight [dwt] | Quintal (metric) [q] |
|---|---|
| 0.01 | 1.555174e-7 |
| 0.1 | 1.555174e-6 |
| 1 | 1.555174e-5 |
| 2 | 3.110348e-5 |
| 3 | 4.665521e-5 |
| 4 | 6.220695e-5 |
| 5 | 7.775869e-5 |
| 10 | 0.0001555174 |
| 20 | 0.0003110348 |
| 30 | 0.0004665521 |
| 40 | 0.0006220695 |
| 50 | 0.0007775869 |
| 100 | 0.0015551738 |
| 500 | 0.007775869 |
| 1000 | 0.015551738 |
Frequently asked questions
How many quintals (metric) is 1 pennyweight?
How do I convert pennyweights to quintals (metric)?
How do I convert quintals (metric) back to pennyweights?
How many quintals (metric) is 100 pennyweights?
Popular weight unit conversions
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Metric / SI (18 units)
Avoirdupois (15 units)
Troy & Apothecary (9 units)
Indian / South Asian (6 units)
Scientific / Atomic (9 units)
Astronomical (4 units)
Biblical / Ancient (14 units)
Sources & references
Conversion factor (1 dwt = 1.555174e-5 q) 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.