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34 units available
6 categories total
To convert carats to grams: multiply by 0.2. To convert grams to carats: multiply by 5.
1 ct = 0.2 g = 200 mg = 0.007055 oz.
For example, 1 Carat (ct) = 1.195727e+23 Proton Mass (mp).
| Carat (ct) | Proton Mass (mp) |
|---|---|
| 0.1 | 1.195727e+22 |
| 0.5 | 5.978637e+22 |
| 1 | 1.195727e+23 |
| 2 | 2.391455e+23 |
| 5 | 5.978637e+23 |
| 10 | 1.195727e+24 |
| 25 | 2.989319e+24 |
| 50 | 5.978637e+24 |
| 100 | 1.195727e+25 |
| 500 | 5.978637e+25 |
| 1000 | 1.195727e+26 |
The carat is a unit of mass used for gemstones and pearls, equal to exactly 200 milligrams (0.2 grams).
1 ct = 0.2 g = 200 mg = 0.007055 oz.
To convert carats to grams: multiply by 0.2. To convert grams to carats: multiply by 5.
Diamond grading and pricing, gemstone trade, pearl classification, and jewelry appraisal.
The Hope Diamond weighs 45.52 ct (9.1 g). The Cullinan Diamond, the largest gem-quality rough diamond ever found, was 3,106 ct (621 g).
Confusing carat (ct, mass) with karat (K, gold purity). 24K gold is pure gold; a 24-carat diamond weighs 4.8 g.
Carat = weight of a gem. Karat = purity of gold. They sound the same but measure completely different things.
The proton mass is the rest mass of a proton, approximately 1.673 × 10⁻²⁷ kilograms or about 938.3 MeV/c².
mp ≈ 1,836 × mₑ ≈ 1.00728 u. About 0.1% heavier than a neutron.
To convert proton masses to kg: multiply by 1.67262192369 × 10⁻²⁷.
Nuclear energy calculations, radiation therapy dosimetry, and proton beam therapy for cancer.
A proton's mass is mostly from the kinetic energy of quarks and gluons (via E=mc²), not from the quark masses themselves (~1%).
Assuming quarks make up most of the proton's mass — quarks contribute only ~1%. The rest is binding energy.
The proton:electron mass ratio (1,836:1) is a fundamental number in physics. It determines atomic structure.



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