Ripe California navel and Valencia oranges on a sunlit orchard branch
CDFA Citrus Maturity · v1.0

Citrus Maturity Calculator

Field tool for California agricultural inspectors. Determine Valencia SSC/TA ratio and Navel California Standard Scale from corrected Brix and 0.1562 N NaOH titration — works offline.

Dataset unavailableTap to load the complete CDFA table from the app server.

1 · Select orange variety

Required before calculating. Remembered until changed.

2 · Enter titration readings

25 mL juice sample · 0.1562 N NaOH titration · CDFA standardized method. Enter each reading to one decimal place. Official table range: Brix 5.0–17.9 °Bx · NaOH 15.0–65.9 mL.

3 · Maturity result

Enter both readings to calculateCorrected Brix and NaOH mL required.

Valencia Orange · Soluble Solids-to-Acid Ratio (SSC/TA). Calculation runs automatically once both readings are valid.

Note: These indicators reflect maturity measurements only. Final regulatory disposition may depend on color requirements, sampling procedures, and other applicable CDFA regulations.