No matches
Tools
Search, or choose a collection or a category. Every card opens the tool.
Find how much a deposit grows with simple or compound interest.
Project the value of a starting amount plus regular monthly contributions.
Work out the monthly deposit needed to reach a savings goal by a deadline.
Calculate the payment of a fixed-rate loan and see every payment split into principal and interest.
Estimate the monthly cost of a home loan including property tax, insurance and fees.
Find the monthly payment for a car after your down payment and trade-in.
See your balance after the study (grace) period and the monthly repayment afterwards.
Find how many months it takes to clear a balance with a fixed monthly payment, and the interest you pay.
Find the present and future value of equal payments made every period.
Convert a nominal annual rate (APR) to the effective annual yield (APY) and back.
Calculate the value of a fixed-term deposit when it matures.
Price a bond from its coupon, market yield and years to maturity.
See the final price after one or two discounts and how much you save.
Add up your monthly income and expenses to see what is left and your savings rate.
See what an amount will cost in the future, and what today’s money will be worth, at a given inflation rate.
Add what you own and subtract what you owe to get your net worth.
Find a comfortable rent for your income, and compare total rent with mortgage payments over the same years.
Project your savings at retirement and compare them with the amount needed for the income you want.
Calculate the compound annual growth rate between two values, or the internal rate of return of a series of cash flows.
Convert pay between hourly, daily, weekly, monthly and yearly amounts.
Calculate overtime pay, or your new salary after a raise.
Move a single amount through time: its future value, its present value, or the value of a perpetuity.
Work out the tip and split the bill between people.
Calculate GDP from consumption, investment, government spending and net exports.
Count cash by entering each note or coin value and how many you have.
Answer the common percentage questions: X% of Y, what percent, percentage change, increase and decrease.
Compare a measured value with the true value and get the absolute and percent error.
Simplify a ratio A : B and scale it to a new size.
Solve A / B = C / x for the missing value (rule of three).
Add, subtract, multiply, divide and simplify fractions, mixed numbers and decimals exactly.
Find the greatest common factor and least common multiple of two or more whole numbers.
Break a whole number into its prime factors and see whether it is prime.
Solve ax² + bx + c = 0, including complex roots, and find the vertex of the parabola.
Convert numbers to Roman numerals and back, with validation of the Roman form.
Write a number in scientific, E and engineering notation, with optional significant figures.
Paste a list of numbers to get the average, median, mode, range, quartiles and standard deviation.
Standardise a value and find its percentile under the normal distribution.
Combine the probabilities of two independent events and convert probability to odds.
Count the ways to arrange or choose r items from n, with and without repetition.
Find how many survey responses you need for a confidence level and margin of error.
Raise a number to any power, including negative and fractional exponents.
Find the square root, cube root or any n-th root of a number.
Calculate logarithms in any base, plus the natural, common and binary logarithms.
Round a number to decimal places or to the nearest multiple, with five rounding rules.
Find the slope, y-intercept, angle and line equation through two points.
Find the point exactly halfway between two points.
Find the straight-line distance between two points in 2D or 3D.
Solve a right triangle with the Pythagorean theorem, or any triangle from three known values.
Show more
We use cookies to improve your experience and analyze traffic. By continuing to browse, you agree to our cookies. Cookies · Privacy
