Money & Life Calculators
Rent, support, savings goals and the real cost of things.
Discount Calculator
Sale price, savings and tax after any percent off.
P × (1 − d)Coast FIRE Calculator
The number where work becomes optional: coast to retirement.
spend × 25Child Support Calculator
Estimate support from income and custody, state by state.
% of incomeDental Implants Cost Calculator
What implants really cost, by tooth, type and extras.
$ × teethProrated Rent Calculator
Fair rent for a partial month, moving in or moving out.
rent ÷ days × dCPM Calculator
Cost per thousand impressions for any ad campaign.
cost ÷ imp × 1KAbout these calculators
Everyday money decisions, worked out in the open: the real price after a discount, the savings number where work becomes optional, estimates for child support and dental implants, fair rent for a partial month, and the CPM behind an ad buy.
Every figure here is an estimate with its method shown, so you can adjust the inputs to your own situation. Support, tax-adjacent and health-cost pages are planning aids, not legal or financial advice; for decisions that bind, confirm with a professional in your state.