Blended Rate Calculator: Combine Multiple Interest Rates
Use our Blended Rate Calculator to determine the effective interest rate when combining multiple loans or investments with different rates and balances.
"The blended rate shows your true cost of borrowing — not just an average."
— Financial Advisor
How the Blended Rate Calculator Works
Our Blended Rate Calculator uses the weighted average formula:
- Step 1: Multiply each loan amount by its interest rate
- Step 2: Sum all (Amount × Rate) values
- Step 3: Divide by total loan amount
- Result: True blended interest rate
Key Outputs from the Blended Rate Calculator
- Blended Interest Rate (%)
- Total Loan Amount
- Weighted vs. Simple Average
- Monthly Interest Estimate
Why Use This Blended Rate Calculator?
- Add unlimited loans
- Real-time calculation
- Refinance analysis
- Debt consolidation tool
- Mobile-optimized
Real Blended Rate Calculator Examples
- $100K @ 5.5% + $50K @ 7.0%: Blended = 5.97%
- $300K mortgage @ 4.0% + $20K car @ 6.5%: Blended = 4.09%
- Simple avg = 5.75% vs. Blended = 5.97%: $110/year difference
Get Started with the Blended Rate Calculator
- Enter First Loan Amount & Rate
- Add More Loans as Needed
- View Blended Rate Instantly
- Compare Refinance Offers
Calculate Your Blended Rate Now
The Blended Rate Calculator reveals your true borrowing cost. Start now.
Run Blended Rate Calculator