EV minus warranty cost
--
Free · Instant · No signup
Simple expected value: probability of failure times repair bill, then subtract what the warranty costs. Default 12% x $400 = $48 EV versus $180 premium, net -$132. If EV is below cost, the note says skip.
Page updated 2026-09-14. Official source: FTC warranty basics
EV minus warranty cost
--
Expected repair cost
--
Warranty cost
--
Failure probability times repair cost, minus warranty price. Expected value of repair versus cost, with a skip/consider note Enter one realistic scenario in the calculator above and read the result together with its labels and assumptions. The page is designed for a quick, repeatable estimate rather than a black-box answer.
This is a browser-side worksheet for financial planning. It does not connect to the named provider, submit a transaction, or create an account on your behalf. Save the inputs if you need an audit trail, then rerun the page when an assumption changes.
Use the field labels as the source of truth: enter rates as percentages, amounts in the selected currency, and dates in the format shown. Invalid or incomplete inputs should remain visible so you can correct them before copying a result.
The calculator applies the formula implied by the labels and shows the key output in plain language. Displayed values are rounded for reading; keep the copied inputs and unrounded assumptions when a later calculation needs more precision.
If the result depends on a live rate or policy, compare the value with FTC warranty basics before relying on it.
For the next step, compare this result with Renters Insurance Premium Estimator, Homeowners Insurance Premium Estimator, ROI Calculator. A second calculator is useful when you need to test a different assumption, not to manufacture false precision.
Results are estimates, not a quote, diagnosis, tax filing, legal opinion, investment recommendation, or guarantee. Check the jurisdiction, provider plan, time period, and rounding rules that apply to your real situation.
Inputs stay in your browser for this page. Do not paste passwords, payment credentials, private keys, or other secrets into any public web tool, even when the page is designed to run locally.
It estimates failure probability times repair cost, minus warranty price. Expected value of repair versus cost, with a skip/consider note from the values you enter. Review the labels and assumptions above the result so you can tell exactly what is included.
No. The page is an in-browser estimate based on your inputs. Provider pricing, taxes, policies, exchange rates, and other external conditions can change, so confirm the live value before committing money or publishing a decision.
The calculator is designed to run in your browser and does not need an account or a server upload. Avoid entering credentials, payment details, private keys, or other secrets in any public tool.
Verify the current FTC warranty basics, your jurisdiction or plan, and any rounding or date rule that applies. The official source link is shown above the calculator.
Renters Insurance Premium Estimator Personal property value divided by $1,000 times an editable rate (default $5 per $1,000 of contents). Deductible is shown, not priced. Not homeowners dwelling.
Homeowners Insurance Premium Estimator Dwelling replacement divided by $1,000 times an editable rate (default $3.50 per $1,000) plus optional liability add-on. Not renters contents math.
ROI Calculator Simple ROI, net profit or loss, and annualized CAGR from initial, final, and years.
Umbrella Insurance Cost Estimator Coverage divided by $1,000 times an editable planning rate (default $0.15 per $1,000). Not a homeowners premium.