Zinc needs calculator

Person group + Phytate intake → mg. The table uses selected DGE/ÖGE reference groups of healthy adults. Age groups and pregnancy stages are not interchangeable. An intake value is not a diagnosis or an additional supplement amount.

The adult selection is not a complete age table. The iron value for women (16 mg) refers to menstruating adults. General pregnancy zinc values refer to the second/third trimester; the first trimester is available in the dedicated zinc calculator. Pregnancy vitamin C applies from month four. Check the original table for other life stages.

The formula uses the specified units. Displayed numbers are rounded; whole packs, item counts and full time periods may also be rounded within the calculation. Health values are general information, not a diagnosis or personal treatment recommendation.

Yes. Calculations and PDF export work without an account or registration.

Calculations run in your browser. Results are saved locally only when you add them to My results; favourites and history are also local. Shared links contain your values. The currency tool requests the selected currencies from its rate provider without sending your amount.