Convert between grams (g) and centigrams (cg) for small weight measurements — 1 gram = 100 centigrams exactly.
Select conversion direction:
Metric Weight Conversion:
1 Gram (g) = 100 Centigrams (cg) | 1 Centigram (cg) = 0.01 Grams (g)
cg = g × 100 | g = cg ÷ 100 (Results shown with 2 decimal places)
Gram (base metric weight unit) — used for food, jewelry, small objects
Display format:
Quick conversions (common weights) - click to auto-fill:
Useful for small weight calculations? Share with chefs, jewelers, or anyone working with precise measurements:
Understanding metric weight units for small-scale, precise measurements.
| Unit | Symbol | Factor (vs Gram) | Common Uses |
|---|---|---|---|
| Gram | g | 1 (base unit) | Food ingredients, small objects, medication doses, jewelry (larger pieces) |
| Centigram | cg | 0.01 g (10⁻² g) | Precise food measurements, small jewelry (gemstones), lab samples, fine chemicals |
| Grams (g) | ≈ | Centigrams (cg) | Real-World Example |
|---|---|---|---|
| 0.05 g | ≈ | 5.00 cg | Small gemstone (1 carat ≈ 0.2 g = 20 cg) |
| 0.1 g | ≈ | 10.00 cg | Pinch of spice (e.g., saffron) |
| 0.5 g | ≈ | 50.00 cg | Tablet medication (standard dose) |
| 1 g | ≈ | 100.00 cg | 1 mL water (at 4°C) / small sugar cube |
| 2.5 g | ≈ | 250.00 cg | Teaspoon of salt (≈ 6 g = 600 cg) |
About grams, centigrams, and metric weight conversions
The relationship comes from metric system prefix rules:
1 g = 100 cg
1 cg = 0.01 g
Conversion rule: Multiply by 100 to go from g → cg; divide by 100 to go from cg → g
Centigrams are preferred for small, precise weight measurements where grams would require decimals:
For larger weights (1 g+), grams are more intuitive — centigrams would result in large numbers (e.g., 5 g = 500 cg).
Yes — grams/centigrams are metric units, while ounces are imperial units:
This converter focuses on metric-to-metric conversion (g ↔ cg), but the core logic applies to metric-imperial conversions with different factors.
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