Online calculators
Free calculation tools for projects, percentages and numbers.
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Software development cost calculator
Estimate your app, web or software cost.
Use →%
Percentage calculator
What is X% of Y, what % is A of B.
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Unix timestamp converter
Timestamp to date and date to Unix.
Use →⏱
Overtime calculator
Calculate overtime pay (1.5x, 2x).
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BMI calculator
Body mass index: underweight, normal, overweight, obese.
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Tip calculator
How much to tip and total to pay. Split between people.
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Days between dates
How many days between two dates.
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Unit converter
cm↔inches, kg↔lbs.
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Age calculator
Exact age in years, months and days.
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Countdown timer
Count down to a date.
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Discount calculator
Final price and savings with %.
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Temperature converter
°C, °F and K.
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Mortgage calculator
Estimated monthly payment.
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VAT calculator
Add or remove VAT.
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Speed calculator
Speed, distance, time.
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Online stopwatch
Measure time: start, pause, reset.
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Daily calorie calculator (TDEE)
Calories per day by weight, height and activity.
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GPA calculator
Grade average with weights. For students.
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