Fixed vs Floating Interest Rate: Full Guide

What’s the difference?

A fixed-rate home loan locks your interest rate for the loan’s entire tenure (or for a specified initial period, like the first 3 or 5 years). The EMI never changes. A floating-rate loan ties your rate to a benchmark — usually the lender’s repo-linked lending rate (RLLR) for new loans, which moves with the RBI’s repo rate. When the repo rate goes up, your EMI goes up; when it falls, your EMI falls.

Most Indian home loans are floating today, especially after RBI mandated repo-linked rates for new floating loans in 2019. Pure fixed-rate home loans are now rare and typically charged 1–2 percentage points above the floating rate to compensate the lender for taking the rate-risk.

When fixed-rate makes sense

• You’re early in your career and want predictability. Knowing exactly what your EMI will be for 20 years simplifies budgeting.
• Rates are at a cyclical low and expected to rise. Locking in a low rate for 20 years has historical value, though calling rate cycles is famously hard.
• You have a hybrid loan offer. Some Indian banks offer fixed for the first 3–5 years (often the most rate-sensitive period) and floating thereafter — a useful middle ground.

When floating-rate makes sense

• RBI is in a rate-cutting or stable cycle. Your EMI will fall with the repo rate.
• You plan to pre-pay aggressively. Floating loans have no pre-payment penalties for individuals (RBI mandate). Fixed loans often charge 1–2%.
• You want to take advantage of balance transfers later. Transferring a fixed-rate loan typically incurs a foreclosure penalty.
• You’re comfortable with a manageable EMI swing. A 100-basis-point rise on a ₹50 lakh / 20-year loan adds about ₹3,400 per month to your EMI.

The numbers

Suppose two banks offer you the same ₹40 lakh home loan for 20 years:

• Floating at 8.75%: EMI ₹35,346 — but rate could move 1% either way
• Fixed at 9.75%: EMI ₹37,943 — guaranteed for 20 years

If floating rates stay at 8.75% throughout, the floating loan costs ₹6.23 lakh less in total interest. If floating rates jump 1.5% (to 10.25%) for the entire tenure, fixed wins by about ₹4.6 lakh. The "break-even" rate movement is around 1% upward — which has happened in roughly half of recent 20-year windows.

Switching between fixed and floating

Most Indian banks allow conversions in either direction at a fee of 0–0.5% of the outstanding principal. SBI, HDFC, ICICI all publish their conversion charges. Check before signing the original loan: a switching-friendly clause is worth its weight in gold over a 20-year term.

The hybrid approach

Many lenders now offer a 3-year fixed + 17-year floating product. You get rate certainty during the most stretched cash-flow years (when down payment, registration, and house-warming costs are recent) and benefit from the lower long-term cost of a floating rate later. If you can find a bank offering one, this is often the best of both worlds for first-time home buyers in India.

Frequently asked questions

Can I switch from fixed to floating mid-loan?

Yes, most lenders allow it after 1–2 years at a switching fee. Send a written request to your bank.

Is a fixed-rate ever offered for the full 20 years?

Rarely, and typically at 1.5–2 percentage points above floating. ICICI and Axis have offered such products in the past; availability varies.

How does the repo rate affect floating EMIs?

For repo-linked loans (the standard since 2019), banks must reset your interest rate within 3 months of an RBI repo change. The bank then either keeps your EMI the same and adjusts your tenure, or keeps the tenure and adjusts your EMI — usually the latter unless you request otherwise.

Related reading

• Home Loan EMI Calculation Guide
• How to Reduce EMI: 7 Methods
• Best Loan Repayment Strategies
• SIP vs FD: Which is Better?

Try the matching calculator

Test both rates on the Loan EMI Calculator. Want to lower your existing EMI? Read 7 ways to reduce EMI.