Free, no-nonsense calculators
Your central hub for clear, accurate financial calculators — no sign-ups, no fluff, no spreadsheets. Just plug in your numbers and get a straight answer.
Calculators
Car Loan Payment Calculator
Estimate your monthly auto payment, total interest and full payoff schedule — with down payment, trade-in, tax and fees.
Mortgage Calculator
Monthly principal & interest plus taxes, insurance, HOA and PMI — with a full amortization breakdown for home loans.
Home Affordability Calculator
See how much house you can afford from your income, debts and down payment — using the 28/36 rule.
Compound Interest Calculator
See how savings and investments grow over time with regular contributions and compounding.
Personal Loan Calculator
Estimate your monthly payment, total interest and origination fee on a fixed-rate personal loan.
Credit Card Payoff Calculator
Find out how long it takes to clear your balance — and how much interest you'll pay — at a fixed monthly payment.
Savings Goal Calculator
Work out exactly how much to save each month to hit a target by your deadline, interest included.
Paycheck Calculator
Estimate your take-home pay after federal, state and FICA withholding from a gross salary or hourly wage.
Why CentralCalc
Fast & free
No sign-up, no paywall. Results update the moment you type.
Built for your phone
Big tap targets and a layout you can use one-handed anywhere.
Shows the math
We explain the formula and show the full schedule — no black boxes.
From the guides
All guides →Plain-English explainers for the decisions behind the numbers.
15-Year vs 30-Year Mortgage
The shorter loan saves a fortune in interest — but the bigger payment isn't always the smarter move.
Saving & InvestingThe Power of Compound Interest
Why starting early can beat saving twice as much later — and how to put compounding to work.
Debt PayoffDebt Avalanche vs Snowball
One method saves the most money; the other keeps you motivated. How to pick the one you'll finish.