Financial Calculators
Free planning tools for education only. Every calculation runs in your browser — nothing you type is sent anywhere. Run multiple scenarios to make better-informed decisions.
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Open a live calculator, then the matching guide. These are sibling links to already-published pages.
| Need | Calculator | Matching guide |
|---|---|---|
| Needs / wants / savings split | 50/30/20 Budget | 50/30/20 budget guide |
| Snowball vs avalanche | Debt Snowball vs Avalanche | Method comparison |
| Cash-buffer target | Emergency Fund | How much emergency fund |
| Growth over time | Compound Interest | Compound interest explained |
Compound Interest Calculator
Project long-term growth from starting balance and monthly contributions.
Mortgage Payment Calculator
Monthly principal & interest, total interest, and extra-payment savings.
Loan Payoff Calculator
Solve either way: payment → payoff time, or target time → payment.
Loan Payment Calculator
Estimate monthly payment and total interest cost.
Debt Payoff Calculator
Estimate debt-free date and total interest.
Debt Snowball vs Avalanche
Compare payoff methods by time and cost.
Retirement & 401(k) Calculator
Project your balance including employer match growth.
Savings Goal Calculator
Calculate monthly savings needed to reach a goal.
Emergency Fund Calculator
Set your target and timeline for a cash buffer.
50/30/20 Budget Calculator
Split take-home pay into budget buckets.
First Apartment Budget Calculator
Find out if you can actually afford that apartment.
Rent vs Buy Calculator
Compare total costs and break-even point for housing decisions.
Side Hustle Income Calculator
Estimate realistic earnings from gig work and freelancing.
Real Hourly Wage Calculator
See what your job actually pays after taxes, commute, and job costs.
Net Worth Calculator
Track assets, liabilities, and net worth.
DCA Investing Calculator
Model recurring investments over time.
Budgeting guides
Debt guides
Savings guides
Investing guides
Important: These calculators are educational tools, not financial advice. Results are estimates based on the inputs you provide.