Decision models

Test a money decision

Pick the question in front of you, change the assumptions, and see what moves the outcome—before you commit.

20 models & tools
6 decision categories
Region aware Relevant tools appear based on your selected region
How this page works

Tools adapt to your selected region. A useful path is cash buffer → expensive debt → housing or investing → retirement. For how to chain models together, see How to Use Finance Calculators Together.

Region-aware No sign-up Change assumptions

Cash foundations

Size a buffer and find surplus before product shopping.

Cash safety

Emergency Fund Calculator

Estimate your target emergency fund, current gap, and monthly savings plan using expenses, job stability, dependents, and debt level.

Target fundMonthly plan
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Monthly cash flow

Budget Planner Calculator

Map income, needs, wants, savings, surplus or shortfall, and a simple long-horizon savings projection.

SurplusCash flow
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Debt & housing

Payoff strategy, rent vs buy, affordability, and borrowing costs.

Debt payoff

Debt Payoff Calculator

Compare avalanche vs snowball, see your debt-free date, interest saved, timeline chart, and extra payment impact.

AvalancheSnowball
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Housing decision

Rent vs Buy Calculator

Compare renting with buying using home price, mortgage rate, taxes, insurance, appreciation, and investment return.

Break-evenOpportunity cost
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Canada housing

Home Affordability Calculator

Estimate a practical home budget, stress-test ceiling, CMHC premium, and the full monthly cost of a specific property.

Stress testMonthly cost
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India loans

EMI Calculator

Home, personal & car loan EMI with reducing balance. See total interest, then compare live offers from partners.

EMITotal interest
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Mortgage refinance

Mortgage Refinance Calculator

Estimate monthly savings, closing-cost break-even, stay-period savings, and interest impact before refinancing.

Break-evenStay horizon
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Investing

Contribution habits, compounding, and monthly vs lump-sum tradeoffs.

Contribution habit

Monthly Investment Calculator

See how much of an ending balance comes from your deposits versus assumed growth—then test a keepable monthly amount.

Monthly habitContrib vs growth
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Scenario comparison

SIP vs Lump Sum Calculator

Compare monthly SIP vs one-time lump sum. Stress paths with market scenarios such as 2008 and COVID teaching cases.

SIPLump sum
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Growth mechanics

Compound Interest Calculator

Isolate how time, rate, and frequency change an ending balance under a fixed return assumption.

TimeReturn assumption
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India mutual funds

SIP Calculator

Project SIP corpus with Indian mutual-fund context. For monthly vs lump-sum tradeoffs, use SIP vs Lump Sum.

Mutual fundsGoal value
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Retirement & accounts

Long-horizon readiness, net worth path, and regional account order.

Retirement income

Retirement Calculator

Estimate the nest egg you may need, project savings to retirement age, and see which levers close the gap.

Nest eggIncome goal
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Net worth path

Future Wealth Calculator

Project net worth milestones using income, savings rate, income growth, and long-term return assumptions.

MilestonesSavings rate
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Canada registered accounts

RRSP vs TFSA Calculator

Compare RRSP and TFSA after-tax outcomes using tax rates, contribution room, expected return, and refund reinvestment.

RRSPTFSA
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Paycheque planner

Salary Tax Calculator

Estimate take-home pay, payroll deductions, marginal tax rate, and how an RRSP contribution may change your refund.

Take-homeRRSP refund
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Tax-advantaged accounts

401(k), HSA & IRA Calculator

Compare employer match, HSA tax benefits, Roth IRA, Traditional IRA, and suggested contribution order.

401(k)HSA / IRA
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Withdrawal plan

SWP Calculator

Plan systematic withdrawals from retirement savings. See how long money lasts with inflation-aware withdrawals.

SWPInflation
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Crypto

Volatility-aware contribution scenarios—not price predictions.

Volatility planner

Crypto DCA Calculator

Simulate dollar-cost averaging into Bitcoin or Ethereum with best / expected / worst-style bands under a volatility assumption.

BTC / ETHDCA
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Extreme stress-test

Bitcoin $1M Goal Calculator

Illustrative $1M goal paths under multiple price scenarios. Use Crypto DCA for contribution sizing; treat this as a stress-test, not a plan.

$1M goalScenarios
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Explainers

Educational concepts—not primary Wealthton decision models. Verify with a licensed professional where relevant.

Educational explainer

Infinite Banking Concept

Learn “be your own banker” in plain language. Optional modeled cash value vs premiums—educational only, not an insurance quote.

Cash valueEducation
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