Should You Tithe on Gross or Net Income? Here's What the Bible Says

It's the question that comes up in every small group, every financial planning conversation between Christian couples, and every Google search at 11pm on a Sunday night: should I tithe on my gross income or my net income?

Let's dig into what Scripture says, what it doesn't say, and how to think about this practically.

What the Bible Actually Says About Tithing

First, let's be honest: the Bible doesn't mention gross income, net income, W-2s, or tax brackets. Those are modern concepts. What it does talk about is firstfruits and proportional giving.

The Firstfruits Principle

"Honor the Lord with your wealth, with the firstfruits of all your crops." — Proverbs 3:9

The concept of firstfruits is about priority, not percentages. God gets the first and best — not the leftovers. In an agricultural society, this meant giving from the harvest before you knew how much you'd have left. It was an act of trust.

The Tithe in the Old Testament

The word "tithe" literally means "tenth." In the Old Testament, the Israelites gave a tenth of their produce and livestock (Leviticus 27:30, Numbers 18:26). Some scholars argue there were actually multiple tithes totaling closer to 23%.

New Testament Giving

Jesus affirmed tithing (Matthew 23:23) but shifted the emphasis to the heart behind it. Paul taught proportional, cheerful giving:

"Each of you should give what you have decided in your heart to give, not reluctantly or under compulsion, for God loves a cheerful giver." — 2 Corinthians 9:7

The Case for Tithing on Gross

Those who tithe on gross income point to several principles:

1. Firstfruits means before anything else. If taxes come out before you tithe, the government gets your firstfruits, not God.

2. Gross income is what you actually earned. Your employer paid you that amount. The fact that the government takes a portion doesn't change what you received.

3. It exercises greater faith. Tithing on gross stretches your budget more, which requires greater trust in God's provision.

The Case for Tithing on Net

Those who tithe on net income also have solid reasoning:

1. You never actually received the gross amount. Taxes are withheld before you ever see the money. You can't give what you never had access to.

2. The Bible doesn't specify. Since Scripture doesn't address modern tax systems, applying rigid rules goes beyond what's written.

3. Legalism misses the point. Focusing on the exact percentage can distract from the heart of generosity that God cares about most.

A Practical Framework

Here's how to think about it without guilt or legalism:

Start Where You Are

If you're not giving at all, don't let this debate paralyze you. Start giving something consistently. Five percent of your net income, given faithfully, honors God more than a theoretical 10% of gross that you never actually give.

Consider Your Whole Financial Picture

If you're drowning in debt, God doesn't want your tithe to cause your family to go hungry. Get stable, then grow your giving. "The plans of the diligent lead to profit" (Proverbs 21:5).

Let Conviction Guide You

This is between you and God. If you feel convicted to give on gross, do it cheerfully. If net feels right for your season, give that cheerfully. The key word is cheerfully.

Think Beyond 10%

The tithe is a floor, not a ceiling. Many Christians who start at 10% of net eventually find themselves giving well beyond 10% of gross — because generosity becomes a lifestyle, not a rule.

The Bottom Line

The gross-vs-net debate matters far less than these three things:

1. Are you giving consistently?
2. Are you giving as an act of worship, not obligation?
3. Is your generosity growing over time?

God isn't keeping a spreadsheet. He's looking at your heart.

If you want to see exactly what your tithe looks like at different levels, try our free [tithing calculator](/tools/tithing-calculator) — it lets you toggle between gross and net and see weekly, monthly, and annual amounts.