Car Installment Calculator
IndonesiaSimulate car loan installments with detailed breakdown of principal, interest, and fees. Compare flat rate vs effective rate calculations.
Rp 300.000.000
20%
5.5% Interest Rate (% per year)
Compound interest, decreasing balance
Rp 7.500.000 per year
Fees
Rp 1.000.000
1%
Rp 500.000
Monthly Installment
Rp 7.872.016
Total Payment
Rp 287.292.592
Total Interest
Rp 20.892.592
Total Fees
Rp 3.900.000
Total Insurance
Rp 22.500.000
Total Payment Breakdown
Monthly Payment Breakdown
What is Flat Rate?
Flat rate is a simple interest calculation method where the interest is calculated on the original loan amount and remains constant throughout the loan term. The monthly installment stays the same, but the interest doesn't decrease as you pay down the principal. This method is commonly used in Indonesia and easier to understand, but results in higher total interest compared to effective rate.
What is Effective Rate (Anuitas)?
Effective rate, also known as anuitas or reducing balance method, calculates interest on the remaining loan balance. As you pay down the principal, the interest portion decreases while the principal portion increases. This results in lower total interest compared to flat rate. The monthly payment remains constant, but the composition changes over time.
Insurance Types Explained
TLO (Total Loss Only)
TLO insurance covers only total loss scenarios where the vehicle is stolen or damaged beyond 75% of its value. Premiums are typically 0.5-1.5% of car value annually. Cheaper option suitable for older vehicles or budget-conscious buyers.
Comprehensive (All Risk)
Comprehensive insurance covers all damages including minor scratches, dents, and major accidents. Premiums typically range from 1.05-4.02% of car value annually. Recommended for new cars or those seeking complete protection. Premium decreases as car depreciates.
How to Use This Calculator
- Select whether you're buying a new or used car
- Enter the car price and down payment percentage
- Choose loan term (12-60 months) and interest rate
- Select calculation method (flat or effective rate)
- Choose insurance type and adjust fees if needed
- View monthly installment and total payment breakdown
- Check payment schedule for detailed month-by-month breakdown
- Try different scenarios using preset examples
Frequently Asked Questions
What's the difference between flat rate and effective rate?
Flat rate calculates interest on the original loan amount throughout the term, while effective rate (anuitas) calculates interest on the remaining balance. Effective rate results in lower total interest but may have higher initial payments. Flat rate is simpler but more expensive overall.
Should I choose TLO or Comprehensive insurance?
Choose Comprehensive for new cars (0-3 years) for full protection against all damages. TLO is suitable for older cars (4+ years) or when budget is tight. Consider your car's value, usage frequency, and risk tolerance.
What's a good down payment percentage?
Minimum is typically 15-20% for new cars, 20-25% for used cars. Higher down payment (30-40%) reduces loan amount, lowers monthly installment, and may qualify you for better interest rates. Aim for at least 20% to avoid being underwater on the loan.
How do banks calculate interest rates?
Rates depend on: car condition (new vs used), loan term, down payment percentage, credit score, and bank policy. New cars typically get 4.5-6.5%, used cars 6-8%. Shorter terms and higher down payments may qualify for lower rates.
What fees should I expect?
Common fees include: Admin fee (IDR 500K-1.5M), Provision fee (0.5-2% of loan), BPKB handling fee (varies by lender), Insurance (annual premium), and potentially notary fees. Ask your lender for complete fee disclosure.
Can I pay off the loan early?
Most Indonesian banks allow early repayment but may charge penalties (typically 2-5% of remaining balance). With flat rate, you'll still pay full interest. With effective rate, early payment saves on interest. Check your loan agreement for specific terms.
Does insurance premium decrease over time?
Yes, car insurance premiums typically decrease as the car depreciates. Annual renewal premiums are based on current market value, not original price. Expect 10-20% reduction annually for comprehensive coverage.
What's the maximum loan term I should choose?
While 60 months (5 years) is available, consider: car depreciation (cars lose 50-60% value in 5 years), total interest paid (longer term = more interest), and your financial flexibility. 36-48 months is often the sweet spot balancing monthly payments and total cost.