Skip to main content

Free Online Calculatorsfor Every Decision

Mortgage payments, loan EMIs, compound interest, retirement savings, BMI, and more — all calculated instantly in your browser. No sign-up required.

Our Calculators

Choose a tool below. Every calculator works instantly in your browser — your data never leaves your device.

Loans & Mortgage

Mortgage Calculator

Calculate your monthly mortgage payments, total interest, and view a full amortization schedule.

Open calculator
Loans & Mortgage

15 vs 30 Year Mortgage Calculator

Compare 15-year and 30-year mortgages side by side with your own quoted rates.

Open calculator
Personal Finance

EMI Calculator

Compute equated monthly installments for any loan with a detailed amortization breakdown.

Open calculator
Investing

Compound Interest Calculator

See how your money grows over time with compound interest. View year-by-year breakdowns.

Open calculator
Investing

Inflation Calculator

Find out what your money will be worth in the future or what past amounts equal today.

Open calculator
Health & Fitness

BMI Calculator

Calculate your Body Mass Index using metric or imperial units. Know your category instantly.

Open calculator
Health & Fitness

Calorie Calculator

Find your daily calorie needs based on the Mifflin-St Jeor equation. Get targets for weight loss or gain.

Open calculator
Taxes

Paycheck Calculator

Estimate your take-home pay after federal tax, state tax, and other deductions.

Open calculator
Personal Finance

Loan Affordability Calculator

Find out how much you can borrow based on your monthly budget and interest rate.

Open calculator
Personal Finance

Debt Payoff Calculator

Compare avalanche vs snowball strategies and see how fast you can become debt-free.

Open calculator
Everyday Tools

Percentage Calculator

Calculate percentages, percentage changes, and convert between fractions and percentages.

Open calculator
Investing

Retirement Calculator

Project your retirement savings and see how contributions grow over decades.

Open calculator
Taxes

VAT / Sales Tax Calculator

Add or remove VAT from any price. Supports UK, EU, and custom tax rates.

Open calculator
Investing

CD Calculator

Calculate the maturity value and interest earned on a certificate of deposit with monthly or annual compounding.

Open calculator
Investing

APY Calculator

Convert APR to APY, see how compounding frequency boosts your effective annual yield, and compare earnings.

Open calculator
Personal Finance

Auto Loan Calculator

Estimate monthly car payments, total interest, and see a full amortization schedule for your auto loan.

Open calculator
Personal Finance

Personal Loan Calculator

Calculate monthly payments, total interest, and a payoff schedule for any personal loan.

Open calculator
Personal Finance

Amortization Calculator

Generate a complete loan amortization schedule showing every principal and interest payment over the life of the loan.

Open calculator
Personal Finance

Simple Interest Calculator

Calculate simple interest on any loan or investment with clear principal, rate, and time inputs.

Open calculator
Personal Finance

Debt-to-Income (DTI) Ratio Calculator

Calculate your debt-to-income ratio and see whether your monthly debt load is within healthy lending limits.

Open calculator
Personal Finance

Savings Goal Calculator

Find out how long it takes to reach a savings goal with monthly contributions and interest, or how much to save each month.

Open calculator
Investing

CAGR Calculator

Calculate the compound annual growth rate of an investment from its start and end values over any period.

Open calculator
Investing

Compound Savings Calculator

Project how your savings grow when you add money monthly and earn compounding interest, year after year.

Open calculator
Personal Finance

Loan Comparison Calculator

Compare two loan offers side by side: monthly payments, total interest, fees, and total cost over the life of each loan.

Open calculator
Investing

Rule of 72 Calculator

Estimate how long it takes your money to double with the Rule of 72, or what return you need to double by a target date.

Open calculator
Personal Finance

Net Worth Calculator

Add up your assets, subtract your debts, and track exactly where your money stands today.

Open calculator
Personal Finance

Emergency Fund Calculator

Find out how much to keep in your emergency fund and how long it takes to build it with your monthly savings.

Open calculator
Loans & Mortgage

Biweekly Mortgage Calculator

See how a biweekly payment schedule shrinks your mortgage term and saves thousands in interest.

Open calculator
Investing

401(k) Calculator

Project your 401(k) balance by age, including employee contributions and employer match, with compound growth.

Open calculator
Personal Finance

Hourly Wage Calculator

Convert your hourly rate into annual, monthly, biweekly, and weekly pay based on hours worked per week.

Open calculator
Taxes

Tax Bracket Calculator

See which federal tax bracket you fall into — and exactly how much you owe — using the latest IRS brackets.

Open calculator
Personal Finance

Student Loan Calculator

Estimate your federal or private student loan monthly payment, total interest, and see a full payoff schedule.

Open calculator
Personal Finance

Car Affordability Calculator

Find the maximum car price you can afford based on your monthly budget, down payment, and loan term.

Open calculator
Personal Finance

Credit Card Payoff Calculator

See how long it takes to pay off your credit card balance and how much interest you will pay.

Open calculator
Investing

ROI Calculator

Calculate your return on investment (ROI) and annualized rate for any stock, property, or other investment.

Open calculator
Loans & Mortgage

Mortgage Refinance Calculator

Compare your current mortgage to a new refinance offer and find the break-even point on closing costs.

Open calculator
Taxes

Sales Tax Calculator

Add or remove sales tax from any price instantly with our free sales tax calculator.

Open calculator

Free Personal Finance Checklist

A simple checklist that helps you review your savings, debts, budget, and coverage once a year.

No spam. Unsubscribe anytime. We only use your email to send the checklist.

Instant Results

All calculations happen in your browser. No waiting, no server delays.

100% Private

Your financial data never leaves your device. Everything runs locally.

Trusted Formulas

Industry-standard formulas with transparent calculations and worked examples.