Find all free Grownu calculators in one place: a work hours calculator for daily shifts, weekly timesheets, monthly timesheets, and time tracking ROI. Calculate hours with breaks, overnight shifts, overtime, and rounding. Export results to CSV and estimate how much time your team could save by replacing manual spreadsheets.
Use Grownu’s free calculators to total daily, weekly, or monthly work hours, estimate overtime, and calculate the ROI of automated time tracking.
Calculate work hours for a single day or shift: start time, end time, breaks, rounding to the nearest interval, overtime, and overnight work. Copy the result, share it, or download it as a CSV file. Free to use.
Enter each day’s start time, end time, and breaks to calculate total weekly hours, overtime, and overnight work. Useful for timesheet checks, scheduling, and payroll preparation. CSV export and sharing are supported.
Calculate monthly work hours from daily entries: total hours, breaks, overtime, and overnight work. Designed for month-end timesheet review, payroll preparation, reporting, and CSV export.
Compare manual timesheets or spreadsheet-based tracking with Grownu. Enter employee count, average hourly cost, and time spent on tracking to estimate savings in hours and dollars.
Need more than a calculator? Grownu can support time tracking workflows built around your team, locations, devices, approval rules, and reporting needs.
From simple timesheets to automated workforce reporting, we help companies move away from manual spreadsheets and reduce time tracking errors.
Tell us how your team tracks time today and we’ll help you find the right setup for your business.
Free tools for quick work-hour calculations and business estimates. Calculate hours, breaks, overnight shifts, overtime, and potential savings from automated time tracking.
These calculators are useful for business owners, operations managers, HR teams, payroll teams, shift supervisors, and anyone who still checks work hours manually or in spreadsheets. Use them to calculate total hours, unpaid breaks, overnight shifts, and overtime before updating payroll, schedules, or internal reports. Everything works in the browser, with no registration required.
• Daily time clock calculator – calculate one day or one shift with breaks, rounding, overtime, and overnight work.
• Weekly timesheet calculator – add each workday and see total weekly hours, breaks, overtime, and overnight time.
• Monthly timesheet calculator – enter daily records and review monthly totals for payroll or reporting.
• Time tracking ROI calculator – compare manual timesheets or spreadsheets with Grownu and estimate potential savings in hours and dollars.
Manual timesheets and spreadsheet-based tracking can create errors, delays, and extra admin work. A structured calculator helps standardize work-hour calculations, check totals faster, and reduce mistakes before payroll or reporting.
Grownu helps companies replace manual time tracking with a more reliable system for clock-ins, approvals, schedules, reports, and exports. Start with the time tracking ROI calculator to estimate how much time and money your company could save by automating the process.
Last updated: May 1, 2026
