SDP Calculator

Calculate what you’ll earn in the Savings Deposit Program (SDP) — the military’s guaranteed 10% annual return on up to $10,000 while you’re deployed to a combat zone. Enter your deposit and months to see the interest earned.

Frequently asked questions

How does the Savings Deposit Program work?

While deployed to a designated combat zone you can deposit up to $10,000 into SDP and earn a guaranteed 10% annual interest, compounded quarterly. Interest keeps accruing for up to 90 days after you leave the zone.

Who is eligible for SDP?

Service members deployed to a designated combat zone for at least 30 consecutive days (or one day in each of three consecutive months) can open an SDP account through finance.

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