Free Online Calculators — Finance, Health, Grades & Math

Calculators

Loans, savings, fitness, grades and everyday math — every calculator runs instantly in your browser, with no sign-up and nothing sent to a server.

Finance & loans

Monthly payment, interest and full cost of a home loan.

Payment and interest for any fixed-rate loan.

Finance a new or used vehicle with taxes and trade-in.

Compare car financing terms side by side.

How much car can your monthly budget buy?

See how savings grow when interest compounds.

Project a portfolio with returns and inflation.

Estimate take-home pay after tax and deductions.

Body mass index in metric or imperial units.

Daily calories for losing, keeping or gaining weight.

Total daily energy expenditure with macro split.

The score you need on the final exam.

Weighted course grade from every assignment.

Semester and cumulative GPA on a 4.0 scale.

Exact age in years, months, days and more.

Every common percentage question in one place.

Add, subtract, multiply and divide fractions.

Trig, logs, powers and roots with full history.

Plot functions and inspect them visually.