Choose from our ever-growing collection of 149+ calculators to suit your needs.
Calculate Jewish maaser kesafim — 10% of net income for tzedakah — with tax and business-expense deductions plus a chomesh (20%) option.
Open Calculator →Find the Hebrew birthday and Bar Mitzvah (age 13) or Bat Mitzvah (12 Orthodox, 13 Reform) ceremony date including the traditional Shabbat ceremony day.
Open Calculator →Convert between Gregorian and Hebrew (Jewish) calendar dates with major Jewish holiday tags.
Open Calculator →Find Western (Catholic / Protestant) and Eastern Orthodox Easter dates for any year, plus Ash Wednesday, Palm Sunday, Good Friday, and Pentecost.
Open Calculator →Calculate Christian tithe (10% of income) with weekly, monthly, and annual breakdowns plus lifetime giving projection.
Open Calculator →Calculate your zakat obligation on wealth (maal) based on current nisab thresholds. Supports zakat on income, savings, trade assets, and gold.
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