Multilingual Online Calculators

Calculate semester and cumulative GPA with credit hours, grade points, and weighted averages.

Live grade calculator for weighted averages, points mode, categories, and final-exam projections.

Estimate your semester grade using weighted categories, assignments, and final exam targets.

Calculate simple or compound interest and see how balances grow over time.

Calculate loan payments, total interest, and payoff schedule for any fixed-rate loan.

Estimate monthly mortgage payments, interest cost, and total payoff over the loan term.

Check body mass index using height and weight to estimate weight category.

Estimate your calorie deficit, see how long it may take to reach a target weight, and learn how to eat in a healthy calorie deficit.

Estimate calories burned for walking, running, cycling, gym workouts, sports and daily activities using body weight and time.

Add, subtract, multiply, and divide fractions with step-by-step results.

Solve percentage increase, decrease, and percent of a number quickly.

Online age calculator that shows age in years, months, days, weeks, days and approximate hours, minutes and seconds.

Count days between dates or add and subtract days from a starting date.