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Dosage

Folate (US label, DFE): convert µg folic acid to µg DFE

µg DFE = µg folic acid × 1.667

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Dose conversions apply only to the substance and form named here. Do not use them to dose medicines; follow the label, the package leaflet and your prescriber.

Conversion formulas

µg folic acid → µg DFEµg DFE = µg folic acid × 1.667
µg DFE → µg folic acidµg folic acid = µg DFE × 0.6

Conversion table

µg folic acidµg DFE
11.667
2.54.167
58.333
1016.67
2033.33
5083.33
100166.7

Source: 21 CFR 101.9 (FDA nutrition labeling) · Last reviewed: 2026-10-14

Frequently asked questions

How do I convert Folate (US label, DFE) from µg folic acid to µg DFE?

µg DFE = µg folic acid × 1.667. For example, 10 µg folic acid equals 16.7 µg DFE.

How many µg DFE are 10 µg folic acid?

10 µg folic acid equal 16.7 µg DFE (Folate (US label, DFE)).

How do I convert Folate (US label, DFE) from µg DFE back to µg folic acid?

µg folic acid = µg DFE × 0.6.

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