The math, done for you. No spreadsheets required.
20 free calculators that take your real numbers and return a real answer. Save scenarios to your dashboard, compare side-by-side, and skip the guesswork.
- Save scenarios to your dashboard
- Results explain the why, not just the what
- No email required to run the math
Live
20 tools
All free · no signup required
House + home-equity tools
From pre-approval math to break-even refi — whatever moment of home ownership you're in.
Mortgage payment calculator
Principal, interest, taxes, insurance — PMI included.
Open toolRefinance break-even
When do closing costs pay for themselves?
Open toolHome equity estimator
How much equity is actually tappable right now.
Open toolRent vs. buy
Net worth of buying vs. investing the down payment.
Open toolGrow cash safely
Match a savings account to your balance, run CD ladders, and benchmark your big-bank drift.
Clear debt, faster
Avalanche vs. snowball, consolidation math, and a reward optimizer that reads your real spend.
Long-game math
From first $500 in an index fund to the safe-withdrawal rate that survives a bad decade.
Compound interest calculator
See the 30-year curve. Then move one lever.
Open toolRetirement projection
When can you actually stop working? Real numbers.
Open toolRoth vs. Traditional IRA
Side-by-side after taxes. The answer surprises most people.
Open tool NewPortfolio allocation
Stock/bond/cash split by age + risk tolerance.
Open toolTurn effort into income
Plan the stack of side gigs, cashback, and passive streams that actually closes the gap.
Tax + life-stage math
Brackets, student loan paths, and the one-off calculations that don't fit anywhere else.
Save any calculation to your dashboard.
Sign in and every scenario you run — mortgage, retirement, debt payoff — pins itself to your profile. Compare versions, share with a partner, and get notified when the math shifts.
Saved scenarios · preview
- Refi: 6.88% → 6.12%Break-even in 29 mo
- Retirement @ 6285% success rate
- Roth vs. Traditional+$61K favor Trad
Every calculator ships with its math shown.
Show the formula
Every tool exposes the equation running underneath — no black boxes, no hand-waving.
Flag the assumptions
Inflation? Default market return? Tax bracket? We surface every input so you know what you're testing.
Explain the answer
The result page doesn't just return a number — it explains what the number means and where it breaks down.