Percentage
Find a percentage of a number, a percentage change, or add or subtract a percentage.
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Productivity: daily calculators for work and business
Calculators for work and business.
The Productivity category has calculators for everyday operational work. Work out discounts and business margins, project a deadline in business days, find the exact difference between two dates, total working hours across several shifts, or add up time durations. Each calculation runs in your browser, so you don't need a separate spreadsheet app.
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Business Days
Count business days between two dates, or add business days to a date.
Date Difference
Calculate the difference between two dates in years, months, days, and total days.
Working Hours
Calculate total working hours across several shifts with breaks.
Time Calculator
Add up several time durations, or add a duration to a specific clock time.