Maaser Calculator
Calculate Ma'aser Kesafim (10% or 20%) for Tzedakah.
Enter your net income (after taxes/expenses).
Standard practice is 10%, generous is 20%.
Total Maaser Amount
"Honor Hashem with your wealth..." — Mishlei 3:9
Maaser Calculator — Calculate Your 10% Tithe
Ma'aser Kesafim is the Jewish practice of setting aside one-tenth of income for tzedakah (charity). Enter your net income, choose the standard 10% or the generous 20% (Chomesh), and the calculator shows your tithe amount plus what remains.
The calculation runs entirely in your browser — your income figure is never sent anywhere. A respectful, private way to work out the numbers before you give.
10% or 20% rates
Toggle between the standard Ma'aser (10%) and Chomesh (20%) for those who wish to give more generously.
Net income basis
Enter income after taxes and business expenses, matching the prevailing custom of calculating Ma'aser on net rather than gross earnings.
Private by design
Tithe calculations are personal. This tool does all the math on your device — nothing you type is uploaded or stored.
How to use
- Enter your total net income (after taxes and expenses).
- Select 10% (standard) or 20% (Chomesh).
- Click Calculate Maaser.
- See your tithe amount and remaining income side by side.
Frequently Asked Questions
What is Ma'aser Kesafim?
Ma'aser Kesafim is the Jewish custom of separating one-tenth (10%) of one's income for tzedakah (charity) — a time-honored practice many consider obligatory.
Do I calculate Maaser on gross or net income?
The prevailing custom is net income: take-home pay after taxes and direct business expenses, since taxes are not money you truly possess.
What is Chomesh?
Chomesh means giving one-fifth (20%) of income. Tradition considers it an exemplary way to give, while cautioning against giving more than 20% lest one impoverish oneself.
What can Maaser money be used for?
Maaser goes to tzedakah — supporting the poor, Torah institutions and community needs. It generally cannot cover personal obligations like tuition you already owe.
When should I separate Maaser money?
Ideally right when income arrives, so it is not accidentally spent. Many people keep a separate 'Maaser account' until the funds are distributed.
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