Kitchen measurements and ingredient conversions
Raw and Cooked Rice Converter
Estimate cooked rice weight and dry equivalent from a tested variety-and-method yield factor.
Use one tested rice method
Cooked yield is not added water
Rice conversion depends on variety, rinse, soak, water method, equipment, rest, and weighing point.
The yield multiplier is not the water-to-rice recipe ratio because some water evaporates or remains outside the grain.
Yield depends on the cooking method
Forward and reverse calculations share one benchmark, so the cooked and dry quantities must describe rice made by a comparable method.
Five hundred grams dry
Example inputs are dry rice weight of 500 g, cooked-to-dry multiplier of 2.8 ×. They produce expected cooked rice of 1,400 g and expected cooked rice in kilograms of 1.40 kg. Store variety, cooker, and weighing point with the multiplier.
Forward and reverse rice yield
Method basis: A tested cooked-to-dry weight factor is applied forward or inverted for the reverse estimate.
The rice benchmark can connect to planning that will turn rice into servings and record production weight change.
Rice method changes yield
Seasoning, oil, vegetables, or stock solids can increase finished weight beyond water absorbed by plain rice.
For several cooker loads, test each equipment type rather than assuming identical venting.
Record whether the cooked weight was warm, cooled, drained, or held.
Make the benchmark reproducible
A rice benchmark should name variety, rinse or soak, cooker, dry weight, cooked weight, rest, and weighing temperature. Store the observed multiplier with those conditions rather than in an unlabeled conversion table.
Run the rice conversion forward and backward using the same multiplier; both should return the original benchmark apart from display rounding. Production verification still requires a real cooked batch because seasoning, equipment, and holding can add weight outside plain water uptake.
Do not reverse-convert rice already mixed with oil, sauce, or vegetables unless the benchmark includes those same additions. Separate components or use a matched complete-preparation yield.
When a target cooked amount matters, prepare slightly more dry rice only through an explicit service allowance. Do not change the yield multiplier to manufacture extra portions; that factor should continue to describe observed hydration.
Rice yield uncertainties
Is 2.8 the water ratio?
No. It is cooked rice weight divided by dry rice weight.
Can the same factor cover brown and white rice?
Not reliably; variety and method should be tested separately.
Why include a reverse calculation?
It estimates how much dry rice corresponds to a known cooked amount under the same yield.