Savings Calculator

Calculate future savings growth with compound interest, regular contributions, and inflation adjustment

Calculate Your Savings Growth

5%
10
Goal Planner: Calculate exactly how much you need to save each month to reach your financial target.
3%

Increase your deposit each year (e.g., 3% for inflation adjustment)

Real vs Nominal Returns: Real returns show actual purchasing power. A 5% return with 3% inflation equals approximately 2% real growth. Consider this for long-term planning.

Top High-Yield Savings Accounts

Marcus by Goldman Sachs
4.40% APY
No fees • Easy transfers • FDIC insured
Discover Bank
4.30% APY
Cashback bonus • No minimum • FDIC insured
Ally Bank
4.25% APY
No monthly fees • Mobile app • FDIC insured
SoFi Money
4.50% APY
No fees • $300 bonus • FDIC insured

Click a bank to use their APY rate. Rates shown are for illustration purposes.

Understanding Savings & Compound Interest

Compound interest is often called the eighth wonder of the world. It allows your money to grow exponentially by earning interest on both your principal and accumulated interest.

How Compound Interest Works

Unlike simple interest (which only earns on your principal), compound interest earns on both your initial deposit AND the accumulated interest. This creates exponential growth over time.

For example: $10,000 at 5% annual interest compounded monthly grows to:

  • Year 5: ~$12,834
  • Year 10: ~$16,470
  • Year 20: ~$27,126
  • Year 30: ~$44,677

The Power of Regular Contributions

Adding consistent deposits dramatically accelerates growth. Saving just $200/month at 5% return:

  • After 10 years: ~$31,000 total ($24k contributions + $7k interest)
  • After 20 years: ~$82,000 total ($48k contributions + $34k interest)
  • After 30 years: ~$166,000 total ($72k contributions + $94k interest)

Notice how interest eventually exceeds your contributions – that's the compound effect in action.

Why Inflation Matters

Inflation erodes purchasing power. If your savings earn 5% but inflation is 3%, your real return is only ~2%. Our calculator shows both nominal (pre-inflation) and real (after-inflation) values so you can plan accurately.

Tax Considerations

Interest earned in taxable accounts is subject to income tax. A 24% tax bracket on 5% interest reduces your effective return to ~3.8%. Consider tax-advantaged accounts (IRAs, 401ks) for long-term savings.

Important: Savings account interest is taxable as ordinary income. Consider tax-advantaged options like IRAs or 401(k)s for long-term goals.

Savings Strategies That Work

  • Automate deposits: Set up automatic transfers to "pay yourself first"
  • Increase contributions: Boost deposits by 1-2% whenever you get a raise
  • Use windfalls: Direct tax refunds or bonuses straight to savings
  • Rebalance: Review rates annually and move funds to higher-yield accounts

Frequently Asked Questions

How does compound interest work? +
Compound interest means you earn interest on both your initial deposit and the accumulated interest. The more frequently interest compounds, the faster your savings grow. Monthly compounding yields more than annual compounding at the same rate.
Should I factor inflation into my savings goals? +
Yes. Inflation reduces purchasing power over time. A 5% return with 3% inflation equals only 2% real growth. Our calculator shows both nominal and inflation-adjusted results so you can plan for the actual purchasing power of your savings.
How much should I save monthly to reach my goal? +
Use our Goal Planner tab: enter your target amount, timeframe, and expected return. We'll calculate the exact monthly deposit needed to reach your goal, accounting for compound interest.
What's the difference between APY and APR? +
APY (Annual Percentage Yield) includes compound interest, showing your true annual return. APR (Annual Percentage Rate) is simple interest without compounding. For savings accounts, always compare APY to see your actual earnings.
How are savings accounts taxed? +
Interest earned in standard savings accounts is taxed as ordinary income in the year it's earned. If you're in the 24% tax bracket and earn $1,000 in interest, you'll owe $240 in taxes. Use our tax rate field to see after-tax returns.

Maximize Your Savings Growth

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