Folic Acid Tools
Free tools to convert folate units, check your daily total against recommendations, and test your folic acid knowledge.
Folate DFE calculator
Supplement labels list folate in mcg DFE, with the folic acid amount in parentheses. The calculator converts between the two, adds up food folate, and compares your total with the recommended intake and upper limit for your age or life stage.
Folic acid quiz
Ten questions on doses, foods, pregnancy, and safety. Each answer comes with a short explanation and a link to the source.
Folic acid fact sheet
The key numbers on one page: recommended intakes, upper limits, DFE conversions, top food sources, and who needs a higher dose.