SWP vs fixed deposit payouts

Both a fixed deposit’s interest payout and a Systematic Withdrawal Plan (SWP) turn a lump sum into a regular income stream — but they get there through fundamentally different mechanics, and that difference shows up directly in how much monthly income the same principal can sustain.

The same starting amount, two different structures

A non-cumulative fixed deposit pays out only the interest earned each period; the principal itself never moves. An SWP withdraws a chosen amount directly from a market-linked corpus, which is also still earning a return — so whether the balance grows, shrinks, or holds steady depends entirely on whether the withdrawal outpaces the return.

What each can actually sustain

That extra 14% of monthly income isn’t free — it comes from assuming a higher return than the FD’s contractually guaranteed rate. Push the SWP withdrawal higher than what the assumed return can actually sustain, and the outcome changes completely: this calculator’s own default inputs (₹35,000/month, stepping up 6% a year) deplete the same ₹50,00,000 corpus in just 14.3 years, as covered in what is a safe withdrawal rate? — something a fixed deposit’s payout, by construction, can never do.

The real trade-off

Neither structure is universally better — an FD suits money you need a guaranteed, contractually fixed income from, with no tolerance for the payout ever changing. An SWP suits money where a potentially higher, but not guaranteed, income is an acceptable trade for accepting market risk on the underlying corpus. The honest way to compare them isn’t “which pays more” in isolation — it’s deciding how much of that extra income you actually need versus how much certainty you’re willing to give up to get it.