Questions · Savings duration

Savings duration questions

Drawdown samples—not retirement plans.

Calculator · How we calculate

Math

How long does $100,000 last at $2,000 a month?

Stated sample only (0% growth): about 4 yr 2 mo. Prefill calculator · Example page.

Does growth always make money last longer?

Under a fixed withdrawal and constant positive growth rate in this model, yes—growth can extend the runway or make the balance look sustainable. Real returns vary.

What is a withdrawal rate in this tool?

Annual withdrawal rate is roughly (monthly withdrawal × 12) ÷ starting balance. Nestfigure does not prescribe a “safe” rate.

Product

Is this retirement advice?

No. Educational arithmetic only—not investment, tax, or Social Security advice.

Can I embed this calculator?

Yes. Use the share and embed options on the calculator page.

Educational only. Last reviewed: August 9, 2026.

YMYL notice: This site is for education only. It is not financial, tax, or investment advice. Nestfigure is not a bank, credit union, broker, investment adviser, or fiduciary. Product terms, rates, and penalties vary—always read your institution’s disclosures before acting. Calculator results are mathematical estimates, not bank quotes.