Money & finance
Money & finance
Build a monthly budget with four numbers
A useful budget starts with comparable amounts, simple categories and a clear distinction between expenses and goals.
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All tools →Loan payment
Estimate the monthly payment and interest on a fixed-rate amortizing loan.
Money & financePrice excluding VAT → price including VAT
Add VAT to a price excluding tax using your chosen rate.
Money & financeCompound interest
Project the value of a principal amount with annual interest compounding.
Money & financePrice after discount
Calculate a discounted price and the amount saved.
Money & financeWeighted average
Calculate an average by assigning a weight to each grade.
Education & scienceKilometers/hour → meters/second
Convert a measurement from km/h to m/s using an explicit conversion factor.
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Try this tool →Equivalent hourly rate
Divide a payment amount by a number of hours.
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Equivalent hourly rate
Divide a payment amount by a number of hours.
Money & financeProjected running time
Project a running time based on a constant pace.
Everyday lifeReading time
Estimate reading time from the word count and your reading pace.
Everyday lifeDownload time
Estimate the ideal file transfer time at a constant data rate.
Everyday lifePythagorean theorem
Find the hypotenuse of a right triangle.
MathematicsMetric tons → kilograms
Convert a measurement from t to kg using an explicit conversion factor.
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All articles →Everyday life
Everyday life
Watts and kilowatt-hours: power or consumption?
A device's power and the energy it consumes are different quantities. Usage time links them.
Read the articleMathematics
Mathematics
Mean or median: what does each number tell you?
Two indicators can describe the same series and tell different stories. The choice depends on the question asked.
Read the articleGOOD FINDS ARE WORTH SHARING
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