What is an immediate annuity calculator?

An immediate annuity calculator is a free online tool that helps you calculate monthly payments from an immediate annuity — payments start now. Same payment formula as fixed; payouts begin immediately. It runs entirely in your browser with instant results and no sign-up.

How accurate are these estimates?

Useful for planning, not for setting policy. Actual insurance needs depend on your specific dependents, debts, tax situation, and risk tolerance. Talk to a licensed advisor before buying.

Is life insurance taxable?

Generally no — death benefits paid to beneficiaries are income-tax-free. The cash value of permanent policies can have tax implications when surrendered.

Are HSA contributions tax-deductible?

Yes — HSA contributions reduce your taxable income (above-the-line deduction), grow tax-free, and withdrawals for qualified medical expenses are tax-free. Triple tax advantage.

Free immediate annuity calculator

How it's calculated

How the immediate annuity works

Same payment formula as fixed; payouts begin immediately.

monthly = premium × r / (1 − (1+r)^-n)

Source: standard actuarial / financial planning methods.

Accuracy

How accurate is this immediate annuity?

Every formula on this site comes from an established, published source for its field — standard references in mathematics, finance, health, and engineering, not invented in-house. The math is implemented as a pure TypeScript function and tested against published reference values before going live. See the Methodology page for the full sourcing process.

Results are mathematically correct for the inputs provided. They are estimates only— real-world outcomes depend on factors specific to your situation, such as fees, taxes, timing, local rules, and assumptions that can change after the calculation date. See the Disclaimer for the limits on what to rely on a result for.

These pair naturally with this one for decisions that sit nearby.

Questions

Frequently asked questions about the free immediate annuity calculator

What is an immediate annuity calculator?
An immediate annuity calculator is a free online tool that helps you calculate monthly payments from an immediate annuity — payments start now. Same payment formula as fixed; payouts begin immediately. It runs entirely in your browser with instant results and no sign-up.
How accurate are these estimates?
Useful for planning, not for setting policy. Actual insurance needs depend on your specific dependents, debts, tax situation, and risk tolerance. Talk to a licensed advisor before buying.
Is life insurance taxable?
Generally no — death benefits paid to beneficiaries are income-tax-free. The cash value of permanent policies can have tax implications when surrendered.
Are HSA contributions tax-deductible?
Yes — HSA contributions reduce your taxable income (above-the-line deduction), grow tax-free, and withdrawals for qualified medical expenses are tax-free. Triple tax advantage.