Savings Calculator
See exactly how your savings grow with compound interest. Plan for your future with accurate projections.
Enter your savings details above and click "Calculate Growth" to see your projections.
All calculations are instant and stay private on your device.
Common Savings Questions
Compound interest is interest earned on your interest. Your bank pays you interest on your balance, then next month you earn interest on that interest too. It's like "interest on interest." The longer your money sits, the more it compounds. A $10,000 deposit at 4% grows to $10,816 in 2 years due to compounding. This is why starting early matters so much.
APY (Annual Percentage Yield) includes compound interest; APR (Annual Percentage Rate) does not. APY is what you actually earn. For savings accounts, always check the APY because it's the real return. A 4% APY is better than a 4% APR. High-yield savings accounts currently offer 4-5% APY, while traditional banks offer 0.01%. The difference is huge over time.
Use this calculator to test different time periods. For example: $500/month at 4.5% APY grows to $34,000 in 5 years, $77,000 in 10 years, or $187,000 in 20 years. Starting earlier matters more than the amount. A 25-year-old saving $500/month has $1M+ by 65. A 45-year-old needs $2,000+/month to reach the same goal. Time is your biggest advantage.
High-yield savings accounts (4-5% APY) are currently best for emergency funds. Banks like Marcus, Ally, Wealthfront offer these with no fees. Traditional savings accounts at big banks pay 0.01%, losing you thousands in opportunity cost. Money market accounts are similar to HYSA. For longer-term goals, consider CDs (4-5%) or index funds (8% average). Keep 3-6 months expenses in savings, invest the rest.
Use this calculator backwards: If you want $50,000 in 5 years at 4.5% APY with $10,000 starting, you need about $700/month deposits. In 10 years, you only need $300/month. The longer your timeline, the less you need to deposit. Most people underestimate the power of time and compound interest. Start with whatever you can afford; even $100/month adds up to $6,000+ with interest over 5 years.
Try to avoid early withdrawals—you lose compound interest growth. If you have a true emergency, withdraw from savings before taking on high-interest debt. For planned large expenses (car, down payment), calculate opportunity cost. One early $5,000 withdrawal costs you $5,500+ in lost growth over 10 years. This is why having a separate emergency fund (3-6 months expenses) is critical. Never touch retirement or long-term savings unless absolutely necessary.