How Much Should I Put in a High-Yield Savings Account (HYSA)? [2025]

A high-yield savings account (HYSA) is a great way to earn more interest on your money while keeping it safe and accessible. But one common question is: how much money should I actually keep in one?

Letโ€™s break it down by purpose, best practices, and help you decide how much to stashโ€”plus give you a calculator to estimate how much interest you could earn.

๐Ÿงฎ High-Yield Savings Calculator

Want to know how much interest youโ€™ll earn based on your balance and APY?

โœ… Use the calculator below to get a personalized estimate

โš™๏ธ HYSA Interest Calculator

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๐Ÿฆ What Is a High-Yield Savings Account?

A high-yield savings account is like a regular savings accountโ€”but it pays 10x to 20x more interest than most traditional banks. These accounts are usually offered by online banks and come with:

  • No monthly fees
  • Easy access to your money
  • Interest rates around 4% to 5% APY

๐Ÿ’ก Perfect for emergency funds, short-term savings goals, or parking cash between investments

๐Ÿ’ธ How Much Should You Keep in a HYSA?

Hereโ€™s a simple breakdown:

1. Emergency Fund

Most experts recommend 3โ€“6 months of living expenses
If you spend $3,000/month โ†’ keep $9,000โ€“$18,000

2. Short-Term Goals

Save for anything you need in the next 12โ€“24 months, such as:

  • Vacation
  • Home down payment
  • Car repairs
  • Tuition

3. Cash Buffer for Peace of Mind

Some people like to keep an extra $1,000โ€“$5,000 just in case. It helps avoid credit card debt when surprise expenses pop up

๐Ÿ“Š Example: Emergency Fund Calculation

Monthly SpendingRecommended Savings (3โ€“6 months)
$2,000$6,000 โ€“ $12,000
$3,500$10,500 โ€“ $21,000
$5,000$15,000 โ€“ $30,000

๐Ÿ’ก Final Thoughts

A high-yield savings account is a smart place to park your cash if:

  • You want easy access to your money
  • Youโ€™re building an emergency fund
  • Youโ€™re saving for short-term goals
  • You want your money to earn interest passively

How much should you put in? Enough to feel secureโ€”and to meet your savings goals without tying up your funds. For most people, thatโ€™s at least 3โ€“6 months of expenses plus a little extra for peace of mind.