Mortgage Calculator & Rates
Sunsun Inc Finance Contains ads
Mortgage calculator with this week's 30 & 15-year rates and refinance math
- Downloads
- 3+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Oct 15
- 2026 · v1.0.1
Screenshots
About Mortgage Calculator & Rates
A simple mortgage calculator that uses today's mortgage rates: see your monthly payment, total interest and refinance savings in seconds.
Mortgage Calculator & Rates shows the latest national average 30-year fixed and 15-year fixed mortgage rates from the Freddie Mac Primary Mortgage Market Survey®, the 10-Year Treasury yield that rates tend to follow, and calculators that turn those rates into a monthly payment.
MORTGAGE CALCULATOR
• Home price, down payment, loan term and interest rate
• Monthly principal and interest plus optional property tax, insurance and HOA
• Total interest and remaining balance over time
REFINANCE CALCULATOR
• Compare your current rate with a new rate
• Monthly savings and break-even months after closing costs
TODAY
• Latest 30-year fixed and 15-year fixed mortgage rate averages with the change from last week
• 10-Year Treasury yield with the daily change as a market signal
• Your saved payment recalculated at this week's rate
RATE HISTORY
• Mortgage rate charts for 3 months, 1 year, 5 years and 10 years
• High, low and average for each range
• Spread between the 30-year mortgage rate and the 10-Year Treasury
DATA SOURCES
Weekly mortgage rate averages: Freddie Mac Primary Mortgage Market Survey® via FRED (Federal Reserve Bank of St. Louis). Freddie Mac publishes new averages on Thursdays. 10-Year Treasury yield: FRED, daily.
IMPORTANT
Rates shown are national weekly averages for information only. They are not a loan offer, a rate quote, or financial advice, and your rate will vary. This app is not a lender and is not affiliated with Freddie Mac or the Federal Reserve.
Privacy Policy: https://pond-newsboy-f09.notion.site/Privacy-Policy-Sunsun-Inc-2ead1609760381d982b5d8e0cbdabb5f
Terms of Use: https://pond-newsboy-f09.notion.site/Terms-of-Use-2ead16097603814c8df5d498a4949ca5
Mortgage Calculator & Rates shows the latest national average 30-year fixed and 15-year fixed mortgage rates from the Freddie Mac Primary Mortgage Market Survey®, the 10-Year Treasury yield that rates tend to follow, and calculators that turn those rates into a monthly payment.
MORTGAGE CALCULATOR
• Home price, down payment, loan term and interest rate
• Monthly principal and interest plus optional property tax, insurance and HOA
• Total interest and remaining balance over time
REFINANCE CALCULATOR
• Compare your current rate with a new rate
• Monthly savings and break-even months after closing costs
TODAY
• Latest 30-year fixed and 15-year fixed mortgage rate averages with the change from last week
• 10-Year Treasury yield with the daily change as a market signal
• Your saved payment recalculated at this week's rate
RATE HISTORY
• Mortgage rate charts for 3 months, 1 year, 5 years and 10 years
• High, low and average for each range
• Spread between the 30-year mortgage rate and the 10-Year Treasury
DATA SOURCES
Weekly mortgage rate averages: Freddie Mac Primary Mortgage Market Survey® via FRED (Federal Reserve Bank of St. Louis). Freddie Mac publishes new averages on Thursdays. 10-Year Treasury yield: FRED, daily.
IMPORTANT
Rates shown are national weekly averages for information only. They are not a loan offer, a rate quote, or financial advice, and your rate will vary. This app is not a lender and is not affiliated with Freddie Mac or the Federal Reserve.
Privacy Policy: https://pond-newsboy-f09.notion.site/Privacy-Policy-Sunsun-Inc-2ead1609760381d982b5d8e0cbdabb5f
Terms of Use: https://pond-newsboy-f09.notion.site/Terms-of-Use-2ead16097603814c8df5d498a4949ca5
What’s new
Version 1.0.1 · Updated October 15, 2026
New app icon and ad stability improvements
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