13
Calculators available
Page content loading
Browser calculators for loans, savings, and units
Mortgage, loan, savings, tax, and everyday math tools designed for clarity, speed, and long-term planning.
From your first mortgage payment to retirement savings, CalcMage gives you fast, accurate answers with plain-English explanations — no account required.
CalcMage publishes a fixed set of browser calculators. Each page states the inputs, the formula that page actually runs, and what that formula leaves out.
13
Calculators available
2
Categories
1
Languages
finance
APR here is the annual rate that matches the payment on the full loan to the amount left after upfront fees.
finance
The mortgage result is principal and interest on price minus down payment, plus the monthly tax, insurance, and HOA amounts you type.
finance
A fixed loan becomes one monthly payment, and interest is what remains after that payment is repeated for the whole term.
finance
One starting balance grows at the compounding frequency you pick. Deposits are not an input.
finance
The price is the loan that fits under one debt-to-income percent, plus the down payment you enter.
finance
The comparison is the payment on today's balance versus a new rate and term, then the months of payment difference needed to cover closing costs.
finance
Savings compound until the retirement age, then that balance is divided evenly across the retirement months you enter.
finance
One inflation rate you type is applied to an amount for a number of years. No price index is downloaded.
finance
The tip is a percent of the bill you enter, and the total is divided by the number of people.
finance
Monthly take-home pay is the annual salary divided by 12, minus one tax rate and one monthly deduction.
finance
Add places VAT on top of an amount, remove pulls VAT out of a gross price, and extract shows the VAT that add would charge.
finance
The same inputs produce two different results: months until a goal, and the balance after a separate year horizon.
converters
A value moves between named length units or named mass units by passing through meters or kilograms.
Explore calculators organized by topic.
Built for accuracy, speed, and trust — without signup walls.
Industry-standard formulas with validated test coverage.
Every calculator is free with no paywalls or trials.
Start calculating instantly — no account required.
Responsive design from phone to desktop.
Calculations run in your browser. No personal data sold.
Instant results with shareable URL parameters.
Keyboard navigation, screen reader labels, and high contrast.
Clean permalinks, structured data, and sitemaps.
Yes. Every calculator on CalcMage is free with no registration, paywalls, or trial limits. You can bookmark, share, and return anytime.
We use industry-standard formulas for mortgages, loans, compound interest, and tax math. Results are estimates for planning — always confirm final numbers with your lender, employer, or tax professional.
No account is required. Inputs can be saved in the URL so you can share or revisit a scenario without storing personal data on our servers.
The public calculators include mortgage, home affordability, loan payment, APR, retirement, compound interest, savings, VAT, tip, salary, and a length or mass unit converter.
Calculations run client-side in your browser. We do not require Social Security numbers, bank logins, or sensitive identifiers to use any tool.