Finance Tools
Mortgage, Car Loan, Investment Calculator All-in-One
🏠 Mortgage Calculator
Unit: 10,000
💡 Mortgage Tips
- Equal Payment: Fixed monthly, more interest early
- Equal Principal: Fixed principal, less total interest but higher early payments
- Keep mortgage under 1/3 of monthly income
🚗 Car Loan Calculator
Unit: 10,000
Unit: 10,000
💡 Car Loan Tips
- Car loan rates are usually higher than mortgages (2.5%~5%)
- Down payment should be at least 20-30%
- Remember insurance, tax, and maintenance costs
💳 Credit Card Interest Calculator
Unit: $
Unit: $
Usually 5%~15%
Unit: $
⚠️ Credit Card Warning
- Revolving interest can reach 15% annually - 7-8x mortgage rates!
- Paying only minimum grows debt like a snowball
- Pay in full or consider debt consolidation
💰 Deposit
Unit: 10,000
💡 Deposit Tips
- Compound effect is more obvious in long-term investment
- Deposit rates vary by bank and amount
- Early withdrawal usually loses some interest
📈 Compound Interest
Unit: 10,000
Unit: 10,000
💡 Power of Compound
- Einstein: "Compound interest is the eighth wonder of the world"
- Rule of 72: Rate x Years to Double ≈ 72
- Time is compound interest's best friend - start early
💼 Salary Calculator (with Insurance)
Unit: $
💡 Salary Tips
- Pension self-contribution is tax-deductible from income (max 6%)
- Labor insurance rate in 2026 is 12%, employee bears 20%
- NHI rate 5.17%, employee bears 30%
👴 Retirement Planning Calculator
💡 Retirement Planning Tips
- Recommend preparing at least 25 years of living expenses for retirement
- Consider inflation; prices rise about 2% annually
- Labor insurance + pension provides basic coverage, but may not be enough
📊 Return on Investment Calculator
Unit: $
Unit: $
Unit: $
💡 Investment Tips
- Annualized return allows comparing investment performance across different holding periods
- Don't forget to account for trading fees and transaction tax
- Stock commission ~0.1425%, transaction tax 0.3% on sell
💵 Monthly Budget Planner
Unit: $
💡 Budget Planning Principles
- 631 Rule: Living 60%, Savings 30%, Insurance 10%
- 50/30/20 Rule: Needs 50%, Wants 30%, Savings 20%
- Rent/mortgage should not exceed 1/3 of monthly income
- Emergency fund should cover 3-6 months of living expenses
🛡️ Insurance Needs Calculator
Mortgage, car loan, etc.
💡 Insurance Planning Principles
- Rule of Tens: Coverage = 10x annual income, premiums should not exceed 10% of income
- Priority Order: Life → Accident → Medical → Others
- For those with family dependents, life insurance should cover debts + family living expenses
- Insuring while young means cheaper premiums and easier underwriting
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