How the Soy Sauce Converter Works
The Soy Sauce Converter divides soy sauce mass by its density. The default 1.15 kg/L fits naturally brewed light soy sauce with 14–18% salt.
Pick the style
Light, dark, tamari, low-sodium and sweet soy sauce differ in salt and sugar.
Enter the density
Use the value for your style from the table.
Enter the mass
Type the bottle or drum weight in kilograms.
Read the volume
Use the liter result for portioning and refilling dispensers.
Soy Sauce Converter Formula
The soy sauce formula is V = m ÷ ρsoy. Salt, amino acids and sugars lift soy sauce 15–30% above water density.
- ρsoy
- Density of the soy sauce style, kg/L
Worked Examples
- Light soy sauce: 1 kg ÷ 1.15 = 869.6 mL.
- 1 L bottle of dark soy: 1 × 1.20 = 1.200 kg.
- Kecap manis: 0.6 kg ÷ 1.30 = 461.5 mL.
Soy Sauce Converter Conversion Table
1 kg of light soy sauce equals 870 mL. The table lists 6 soy sauce styles.
| Soy Sauce Style | Density (kg/L) | Liters per 1 kg | Grams per tbsp | 18 L drum (kg) |
|---|---|---|---|---|
| Low-sodium soy sauce | 1.100 | 0.909 | 16.3 | 19.80 |
| Light / regular (koikuchi) | 1.150 | 0.870 | 17.0 | 20.70 |
| Usukuchi (Japanese light) | 1.170 | 0.855 | 17.3 | 21.06 |
| Tamari | 1.180 | 0.847 | 17.4 | 21.24 |
| Chinese dark soy | 1.200 | 0.833 | 17.7 | 21.60 |
| Kecap manis (sweet) | 1.300 | 0.769 | 19.2 | 23.40 |
What is a Soy Sauce Converter?
A Soy Sauce Converter is a calculator that converts soy sauce weight into volume using the density of the soy sauce style.
Soy sauce brews from soybeans, wheat, salt and Aspergillus oryzae mold over 6 months or more. Fermentation breaks protein into glutamate and other amino acids.
Japanese soy sauce falls under JAS grades, and Chinese soy sauce carries an amino nitrogen grade. Higher amino nitrogen means more flavor solids and a denser sauce.
What are the Uses of a Soy Sauce Converter?
There are 4 main uses of a Soy Sauce Converter.
Restaurant portioning
Kitchens convert drum weights into dispenser refills.
Sauce manufacture
Producers dose soy sauce into marinades by mass.
Import labeling
Importers convert gross weights into liter declarations.
Recipe scaling
Cooks convert gram amounts into tablespoons.