The quick math: the 50/30/20 rule

The most popular starting point is the 50/30/20 budget, which splits your take-home pay three ways:

1. Needs: housing, utilities, groceries, insurance, minimum debt payments50%
2. Wants: dining out, travel, hobbies, subscriptions30%
3. Savings and extra debt payments20%

Money you put into a 401(k) through payroll is already taken out before your paycheck arrives, so it counts toward your 20% even though you never see it in your bank account.

Savings targets by take-home pay

Here is what 10%, 15% and 20% of different monthly take-home amounts look like:

If you are paid hourly, our hourly to salary calculator can turn your wage into a yearly and monthly figure first. For perspective, the Bureau of Economic Analysis reported a U.S. personal saving rate of 3.0% of disposable income in July 2026. Saving 10% already puts you well ahead of the average.

What monthly savings grow to

Small monthly amounts become large sums over time. Here is what steady monthly saving adds up to in a high-yield savings account at 4% APY, and invested at a 7% average yearly return:

Over 20 years at 7%, $500 a month grows to about $253,800, even though you put in only $120,000. The rest is growth. Investments can lose value, especially in the short run, so the 7% column suits long-term goals like retirement, not money you need soon. Our guide on how much $10,000 grows in 10 years explains how compounding works.

Where your monthly savings should go

If you have several goals, this order works for many people:

1. A starter emergency fund. Save $1,000 to $2,000 first so a surprise bill does not go on a credit card.
2. Your full 401(k) match. If your employer matches contributions, getting the full match is an instant return. See how much to put in your 401(k).
3. High-interest debt. Paying off a card at 22% beats almost any savings rate. Our debt payoff calculator helps you plan it.
4. A full emergency fund. Build up to three to six months of essential expenses. See how much to keep in an emergency fund.
5. Retirement at 15%. Aim to save about 15% of your pre-tax pay for retirement, including any employer match.
6. Other goals. A car, a home down payment, a wedding or travel, each in its own savings account.

Example: splitting $800 a month

Here is how someone with $4,000 of monthly take-home pay might split an $800 savings budget. They already have a $1,000 starter fund and get a 401(k) match through payroll:

Once the card is paid off, that $300 moves to the next priority. This is the snowball effect in your savings plan: every finished goal frees up money for the next one.

How much for a specific goal?

For a single goal with a deadline, work backward from the target. Here is the monthly amount needed, starting from $0 at 4% APY:

If the monthly amount is too high, you have three levers: give yourself more time, lower the target or find more to save each month.

Can’t save 20%? Start here

• Start small and automate. Even $50 a paycheck, moved automatically on payday, builds the habit.
• Raise your rate by 1% at a time. Small steps are easier to adjust to than a big cut.
• Save part of every raise. Putting half of a pay raise into savings grows your savings while your take-home pay still rises.
• Review recurring costs. Subscriptions, insurance and phone plans are often easy places to find $50 to $100 a month.
• Save windfalls. Tax refunds, bonuses and gifts can jump-start a goal.

Frequently asked questions

Sources and how we calculated

Growth figures assume equal deposits at the end of each month, with yearly rates converted to equivalent monthly rates, rounded to the nearest dollar and before taxes and fees. Goal amounts assume 4% APY. The U.S. personal saving rate comes from the Bureau of Economic Analysis personal income and outlays release for July 2026. The 50/30/20 budget is a widely used rule of thumb, not an official standard.