Convert Metric Ton to Pennyweight
Convert metric tons to pennyweights instantly. 1 metric ton = 643014.9479112881 pennyweight — use the live calculator, the exact formula, a conversion table and worked examples. Also check the Pennyweight to Metric Ton converter for the reverse conversion.
Units explained
Metric Ton
The metric ton (t) equals exactly 1,000 kilograms; it is also called the tonne.
From 'tun', a large medieval cask; 'metric' distinguishes it from imperial tons.
The global standard for trade, freight, and heavy industry.
Recognized internationally with the spread of the metric system in the late 19th century.
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.
Metric Ton to Pennyweight conversion formula
The relationship between metric tons and pennyweights:
To convert metric tons to pennyweights, multiply the value in metric tons by 643014.9479112881. To reverse, multiply pennyweights by 1.555174e-6.
How to use this converter
Type a value into the calculator. The result in pennyweights updates as you type. Tap a quick value, copy the result with one click, or use the swap arrow to jump straight to the Pennyweight to Metric Ton converter for the reverse direction.
Step-by-step: convert metric tons to pennyweights
- Write down the value in metric tons (t).
- Multiply that value by the factor 643014.9479112881.
- The product is the equivalent value in pennyweights (dwt).
- To reverse, multiply the pennyweight value by 1.555174e-6.
Worked examples
Example 1 — Convert 1 t to dwt:
1 × 643014.9479112881 = 643014.9479112881 dwt
Example 2 — Convert 100 t to dwt:
100 × 643014.9479112881 = 6.430149e+7 dwt
Real-world example — Geographic to architectural conversion
One metric ton equals 100,000 pennyweights. The conversion bridges geographic-scale survey work and architectural-scale building plans on the same drawing.
1 t × 643014.9479112881 = 643014.9479112881 dwt
Real-world example — Geographic to architectural scale
One metric ton equals 100,000 pennyweights. Map scales use this when an architectural site plan (in the smaller unit) must be related to road-network plans (in the larger unit) on the same drawing.
1 t × 643014.9479112881 = 643014.9479112881 dwt
Metric Ton to Pennyweight conversion table
Standard reference values for converting metric tons to pennyweights:
| Metric Ton [t] | Pennyweight [dwt] |
|---|---|
| 0.01 | 6430.1494791129 |
| 0.1 | 64301.4947911288 |
| 1 | 643014.9479112881 |
| 2 | 1286029.8958225762 |
| 3 | 1929044.8437338644 |
| 4 | 2572059.7916451525 |
| 5 | 3215074.7395564406 |
| 10 | 6430149.4791128812 |
| 20 | 1.28603e+7 |
| 30 | 1.929045e+7 |
| 40 | 2.57206e+7 |
| 50 | 3.215075e+7 |
| 100 | 6.430149e+7 |
| 500 | 3.215075e+8 |
| 1000 | 6.430149e+8 |
Frequently asked questions
How many pennyweights is 1 metric ton?
How do I convert metric tons to pennyweights?
How do I convert pennyweights back to metric tons?
How many pennyweights is 100 metric tons?
Popular weight unit conversions
Convert Metric Ton to other weight units
Show all Metric Ton conversions
Metric / SI (17 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 t = 643014.9479112881 dwt) 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.