FD vs RD: A Plain-English Guide to Choosing the Right Deposit

Fixed Deposit (FD): How It Works

A Fixed Deposit is a one-time lump sum deposit at a bank or post office for a fixed tenure at a fixed interest rate. The rate is locked at deposit time — it won't change if the RBI raises or cuts rates subsequently.

Interest calculation (quarterly compounding, most common for Indian banks):

A = P × (1 + r/n)^(n×t)

P = ₹1,00,000  (principal)
r = 7.5%  (annual rate = 0.075)
n = 4  (quarterly compounding)
t = 2  (years)

A = 1,00,000 × (1 + 0.075/4)^(4×2)
  = 1,00,000 × (1.01875)^8
  = 1,00,000 × 1.16084
  = ₹1,16,084

Interest earned = ₹16,084
Effective annual yield = 7.71% (vs 7.5% nominal)

Recurring Deposit (RD): How It Works

An RD is a monthly savings scheme where you deposit a fixed amount every month for a fixed tenure. Think of it as a SIP for your savings account — disciplined, automatic, and capital-safe.

The interest on an RD is more complex because each installment has a different tenure. The first installment earns interest for the full tenure; the last installment earns interest for only 1 month. The total maturity value is the sum of all installment maturity values.

For a ₹5,000/month RD at 7% for 12 months: Total invested = ₹60,000; Maturity value ≈ ₹62,230. Interest earned = ₹2,230 — which seems low because the average invested amount is only ₹32,500 (since installments come in gradually).

FD vs RD: Direct Comparison

When to Choose FD

• You have a lump sum available (bonus, windfall, salary arrears, property sale proceeds)
• You want maximum interest — FD rates are typically 0.25–0.5% higher than RD for the same bank and tenure
• You need predictable maturity amount for a specific future goal
• Building an emergency fund quickly — a single FD is simpler to manage
• Senior citizens taking advantage of the 0.5% additional rate most banks offer

When to Choose RD

• You don't have a lump sum but can save regularly from monthly salary
• You want enforced savings discipline — missed installments are penalized, creating accountability
• Short to medium-term goal (1–3 years) with capital safety requirement
• As a complement to SIP — RD for the safe/stable portion of savings, SIP for long-term growth
• Children's education: start an RD when a child is born; 18 years of monthly deposits creates a meaningful corpus

FD Laddering: The Smart Fixed Income Strategy

FD laddering solves two problems simultaneously: liquidity and interest rate risk. Instead of placing all money in one FD of one tenure, you split it across multiple maturities:

• ₹25,000 in 1-year FD
• ₹25,000 in 2-year FD
• ₹25,000 in 3-year FD
• ₹25,000 in 5-year FD

Each year, one FD matures. If rates are higher, renew at the better rate. If you need liquidity, the maturing FD provides cash without breaking other FDs. This strategy consistently outperforms a single-tenure strategy over time.

RD vs SIP: Which Is Better for Monthly Savings?

Many investors face this exact choice. The answer depends on your time horizon and risk tolerance: