Convert carats to grams
1 carat equals 0.2 grams. Enter a value below to convert instantly.
Need the other direction? Convert gram to carat →
Formula
Multiply the number of carats by 0.2 to get grams.
Step by step
- Start with 1 ct.
- Multiply by the conversion factor 0.2.
- 1 × 0.2 = 0.2 g.
Carats to Grams conversion table
| Carats (ct) | Grams (g) |
|---|---|
| 1 | 0.2 |
| 2 | 0.4 |
| 3 | 0.6 |
| 5 | 1 |
| 10 | 2 |
| 20 | 4 |
| 50 | 10 |
| 100 | 20 |
| 500 | 100 |
| 1,000 | 200 |
Convert Carat to other weight & mass units
1 ct expressed in every other weight & mass unit on this site.
- Kilogram kg 0.0002
- Gram g 0.2
- Hectogram hg 0.002
- Dekagram dag 0.02
- Decigram dg 2
- Centigram cg 20
- Milligram mg 200
- Microgram µg 200,000
- Nanogram ng 200,000,000
- Picogram pg 200,000,000,000
- Femtogram fg 200,000,000,000,000
- Attogram ag 2e+17
- Petagram Pg 2e-16
- Exagram Eg 2e-19
- Metric Ton t 2e-7
- Kiloton (metric) kt 2e-10
- Megaton (metric) Mt 2e-13
- Quintal (metric) q 0.000002
- Carat ct 1
- Pound lb 0.00044092452
- Ounce oz 0.0070547924
- Dram dr 0.11287668
- Grain gr 3.0864717
- Stone st 0.000031494609
- Stone (US) st (US) 0.000035273962
- Quarter (UK) qr (UK) 0.000015747304
- Quarter (US) qr (US) 0.000017636981
- Hundredweight (UK) cwt (UK) 0.0000039368261
- Hundredweight (US) cwt (US) 0.0000044092452
- US Short Ton ton (US) 2.2046226e-7
- UK Long Ton ton (UK) 1.9684131e-7
- Kip kip 4.4092452e-7
- Slug slug 0.000013704353
- Hyl (kgf·s²/m) hyl 0.000020394324
- Assay Ton (US) AT (US) 0.0068571429
- Assay Ton (UK) AT (UK) 0.006122449
- Troy Pound lb t 0.00053584578
- Troy Ounce oz t 0.0064301493
- Pennyweight dwt 0.12860299
- Scruple (apothecary) s.ap 0.15432358
- Dram (apothecary) dr t 0.051441195
- Atomic Mass Unit u 1.2044282e+23
- Electron Mass (rest) mₑ 2.1955382e+26
- Proton Mass mₚ 1.1957275e+23
- Neutron Mass mₙ 1.1940815e+23
- Muon Mass mµ 1.0618351e+24
- Deuteron Mass m_d 5.981607e+22
- Planck Mass mP 9,189.3437
- Earth's Mass M⊕ 3.3488497e-29
- Sun's Mass M☉ 1.0055709e-34
- Talent (Biblical Hebrew) talent (He) 0.0000058479532
- Mina (Biblical Hebrew) mina (He) 0.00035087719
- Shekel (Biblical Hebrew) shekel 0.01754386
- Bekan (Biblical Hebrew) bekan 0.035087719
- Gerah (Biblical Hebrew) gerah 0.35087719
- Talent (Biblical Greek) talent (Gk) 0.0000098039216
- Mina (Biblical Greek) mina (Gk) 0.00058823529
- Tetradrachma (Biblical Greek) tetradrachma 0.014705882
- Didrachma (Biblical Greek) didrachma 0.029411765
- Drachma (Biblical Greek) drachma 0.058823529
- Denarius (Biblical Roman) denarius 0.051948052
- Assarion (Biblical Roman) assarion 0.83116883
- Quadrans (Biblical Roman) quadrans 3.3246726
- Lepton (Biblical Roman) lepton 6.6493562
- Gwan 관 0.000053333333
- Geun (600 g, meat) 근 0.00033333333
- Geun (375 g, produce) 근 (채소) 0.00053333333
- Nyang 냥 0.0053333333
- Don 돈 0.053333333
- Pun (mass) 푼 0.53333333
About the carat
The carat (ct) is a Metric unit of weight & mass. The metric carat for gemstones — exactly 200 milligrams.
About the gram
The gram (g) is a SI unit of weight & mass.
Where this conversion is used
Converting carats to grams comes up when tracking body weight, shipping parcels, cooking, and dosing in fitness or nutrition. In everyday language 'weight' usually means mass; true weight is a force and is handled in the Force category.
Related conversions
Frequently asked questions
How many grams are in a carat?
One carat equals 0.2 grams.
How do you convert carats to grams?
Multiply the number of carats by 0.2 to get grams.
What is 1 gram in carats?
One gram equals 5 carats.
When would I convert carats to grams?
This conversion is common when tracking body weight, shipping parcels, cooking, and dosing in fitness or nutrition.
Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.