Free, private calculators
Calculate money. Track progress. Save more.
ToolGemini gives clear, private answers for savings, interest, debt, budgeting, smoking, vaping and recovery—with calculators that work before the explanation begins.
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Credit Card Payoff CalculatorEstimate payoff time, interest and the impact of new charges.MoneyDebt Snowball CalculatorPlan a smallest-balance-first payoff order.MoneyCompound Interest CalculatorProject growth from a starting balance, monthly contributions, rate and time.MoneyDebt Payoff CalculatorEstimate payoff time and interest with optional extra payments.MoneyEmergency Fund CalculatorTurn essential expenses into a target and monthly timeline.MoneySavings Goal CalculatorCalculate the weekly or monthly amount needed to reach a target by a chosen date.SavingsSmoking Cost CalculatorCalculate cigarette spending per day, month, year, and long-term cost.SmokingQuit Smoking Savings CalculatorEstimate how much money you save after quitting smoking.SmokingPack Year CalculatorEstimate smoking exposure using packs per day and years smoked.SmokingCigarettes Not Smoked CalculatorEstimate how many cigarettes you have avoided since your quit date.SmokingVaping Cost CalculatorEstimate vape, pod, e-liquid, and disposable vape spending.VapingVape Pods Cost CalculatorCalculate weekly, monthly, and yearly vape pod or disposable spending.VapingAlcohol Cost CalculatorCalculate weekly, monthly, and yearly alcohol spending.AlcoholCannabis Cost CalculatorEstimate cannabis spending and potential savings from reducing or quitting.CannabisRecovery Timeline CalculatorSee general milestone ranges after quitting smoking, vaping, or alcohol.RecoverySobriety Day CounterCount days, weeks, months, and estimated savings since your quit date.RecoveryQuit Anniversary CalculatorFind your next quit anniversary and track important milestones.RecoveryRelapse Cost CalculatorEstimate the cost of returning to an old habit for days, weeks, or months.Recovery
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Country calculator hub
Use country-friendly smoking cost calculator versions with local currency examples.