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Emergency Fund Guide: How Much to Save & Where
A complete guide to building a 3-6 month emergency fund, comparing high-yield savings accounts (HYSA) vs. Treasury bills, and protecting your cash.
3-6
Months Expenses Needed
4.04%
Avg Yield on Cash Proxies
$0
Risk Tolerance for this Money
Where to Keep Your Emergency Fund
| Ticker | Name | Category | Price | Yield (%) |
|---|
3 vs 6 Months Emergency Fund
Frequently Asked Questions
How to build emergency fund?
To build an emergency fund, start by calculating your essential monthly expenses. Aim to save enough to cover 3 to 6 months of these expenses. Set up automated transfers from your checking account to a separate, high-yield savings account or money market fund to build your balance over time.
Emergency fund how much?
Most financial experts recommend saving an emergency fund equal to 3 to 6 months of essential living expenses. If your income is highly stable, 3 months may suffice. If you have dependents, variable income, or work in a volatile industry, lean towards 6 months or more.
Where to keep emergency fund?
Keep your emergency fund in highly liquid, low-risk accounts. The best options are High-Yield Savings Accounts (HYSAs), Money Market Accounts, short-term Certificates of Deposit (CDs), or short-term Treasury ETFs (like T-bills), which offer safety and a competitive yield.
3 vs 6 months emergency fund?
A 3-month emergency fund is ideal for single renters with highly stable jobs. A 6-month fund is better for homeowners, parents, business owners, or those with single-income households to protect against extended periods of unemployment or major unexpected expenses.
Emergency fund calculator?
An emergency fund calculator helps you determine your target savings amount by multiplying your monthly "needs" (housing, utilities, food, debt minimums, insurance) by your target number of months (typically 3 to 6), excluding discretionary spending.
Methodology & Data Sources:
All yield and price data for cash proxy ETFs is sourced from Yahoo Finance API (yahoo-finance2) as of the latest market close. Yields reflect 30-day SEC yield or trailing twelve-month dividend yields where applicable. This data does not represent direct bank deposits (HYSAs) which typically vary between 4.00% to 5.25% APY depending on the institution and prevailing federal funds rate. Data is for educational purposes only.
All yield and price data for cash proxy ETFs is sourced from Yahoo Finance API (yahoo-finance2) as of the latest market close. Yields reflect 30-day SEC yield or trailing twelve-month dividend yields where applicable. This data does not represent direct bank deposits (HYSAs) which typically vary between 4.00% to 5.25% APY depending on the institution and prevailing federal funds rate. Data is for educational purposes only.
Cite This Page
Westmount Fundamentals. "Emergency Fund Guide: How Much to Save & Where." westmountfundamentals.com/guide-emergency-fund, 2026.