Every Work Calculation,
Answered in Seconds
Overtime, PTO, timesheets, notice periods, HR metrics — 100 free calculators with the formula shown, a worked example, and zero sign-up.
100% free forever
No sign-up, no data stored
Formulas & examples on every tool
Popular Tools
Comp Time CalculatorFree comp time calculator. Instantly convert overtime hours into compensatory time off at 1.5x r…Shift Differential Pay CalculatorCalculate shift differential pay for night, evening, and weekend shifts. Supports percentage and…Working Days Between Dates CalculatorCount working days between two dates, excluding weekends and optionally public holidays. Perfect…Notice Period End Date CalculatorEnter your resignation date and notice period (30, 60, 90 days) to instantly find your last work…Attendance Percentage CalculatorCalculate your attendance percentage from days present and total days. Also find how many classe…PTO Payout CalculatorCalculate what your unused PTO is worth when leaving a job — gross and after-tax estimate, plus …Overtime Tax CalculatorCalculate taxes on overtime pay and see your real take-home OT earnings — plus why overtime is N…Wage Garnishment CalculatorCalculate maximum wage garnishment under federal law: the 25% rule, 30x minimum wage protection,…Bonus Tax CalculatorCalculate your bonus after taxes: 22% federal flat withholding (37% over $1M), Social Security, …Overtime Pay CalculatorCalculate your overtime pay instantly. Enter hourly rate and hours worked to see regular pay, ov…In-Hand Salary CalculatorConvert CTC to in-hand salary: the full waterfall — employer PF, gratuity, employee PF, professi…FMLA CalculatorCheck FMLA eligibility: the 12-month and 1,250-hour tests, remaining weeks of your 12-week entit…
Category
Time & Attendance
Track work hours, convert timesheets, and measure attendance.
Work Hours CalculatorAdd up your daily and weekly work hours with break deductions. Get totals in hours:minutes and d…Decimal Hours to Time ConverterConvert decimal hours to hours and minutes instantly (and back). Includes a full conversion char…Timesheet Hours to Decimal ConverterConvert timesheet hours and minutes to decimal hours for payroll. Instant conversion with a prin…Attendance Percentage CalculatorCalculate your attendance percentage from days present and total days. Also find how many classe…Absenteeism Rate CalculatorCalculate employee absenteeism rate with the standard formula. Compare against industry benchmar…Employee Turnover Rate CalculatorCalculate monthly or annual employee turnover rate using the standard SHRM formula and compare i…Employee Retention Rate CalculatorMeasure your employee retention rate over any period. Simple formula, instant result, and benchm…Cost of Employee Turnover CalculatorEstimate the real cost of losing an employee: recruiting, onboarding, training, and lost product…Time Card CalculatorFree time card calculator with lunch breaks: clock-in, clock-out, and break deduction for each d…FTE CalculatorConvert part-time and full-time headcount into FTE (full-time equivalent). Used for ACA complian…Military Time ConverterConvert military (24-hour) time to standard AM/PM and back, with the full conversion chart and t…7-Minute Rule CalculatorApply the payroll 7-minute rule: round any punch time to the nearest quarter hour, see which way…Break Time CalculatorFind the meal and rest breaks your shift requires: California and other state rules, federal pai…Bradford Factor CalculatorCalculate the Bradford Factor absence score (spells squared × days), the trigger thresholds empl…Revenue per Employee CalculatorCalculate revenue per employee (and per FTE), compare against industry benchmarks, and read what…Cost per Hire CalculatorCalculate cost per hire with the SHRM formula: internal plus external recruiting costs divided b…Shrinkage Calculator (Call Center)Calculate call center shrinkage: non-productive time as a percentage of paid time, and the staff…Meeting Cost CalculatorCalculate the true cost of a meeting from attendees, salaries, and duration — per meeting, per y…Overtime Percentage CalculatorCalculate overtime as a percentage of total hours — the workforce KPI for understaffing and burn…Compressed Workweek CalculatorPlan a compressed schedule: 4/10s, 9/80s, or a true 4-day week — daily hours, extra days off per…Offer Acceptance Rate CalculatorCalculate offer acceptance rate (accepted ÷ extended), benchmark against the 85-95% healthy rang…Time to Fill CalculatorCalculate time to fill and time to hire from your dates, benchmark by function, and estimate wha…Labor Cost Percentage CalculatorCalculate labor cost as a percentage of revenue with industry benchmarks — restaurants, retail, …Productivity CalculatorCalculate labor productivity (output ÷ hours), track change against a baseline, and convert prod…
Category
Pay & Salary
Overtime, comp time, severance, and salary calculators.
Comp Time CalculatorFree comp time calculator. Instantly convert overtime hours into compensatory time off at 1.5x r…Overtime Pay CalculatorCalculate your overtime pay instantly. Enter hourly rate and hours worked to see regular pay, ov…Shift Differential Pay CalculatorCalculate shift differential pay for night, evening, and weekend shifts. Supports percentage and…Payroll Tax CalculatorFree FICA tax calculator: Social Security (6.2%) and Medicare (1.45%) for employee and employer,…Time and a Half CalculatorFind your time-and-a-half rate and total overtime pay instantly. Enter your hourly wage and OT h…Double Time Pay CalculatorCalculate double-time pay and see when 2x rates apply (California daily OT, 7th consecutive day,…Severance Pay CalculatorEstimate your severance pay from salary and years of service using standard formulas (1–2 weeks …Final Paycheck CalculatorCalculate your final paycheck: unpaid hours, overtime, unused PTO payout, and severance — everyt…Salary to Hourly CalculatorConvert annual salary to hourly rate (and back) based on your real working hours per week. Inclu…Holiday Pay CalculatorCalculate holiday pay for working on public holidays (US) and statutory holiday entitlement pay …Mileage Reimbursement CalculatorCalculate your mileage reimbursement using the current IRS standard rate (or UK HMRC rate). Ente…Bonus Tax CalculatorCalculate your bonus after taxes: 22% federal flat withholding (37% over $1M), Social Security, …Pay Raise CalculatorCalculate your new salary from a raise percentage or amount — hourly or annual — and see the rea…Hourly to Salary CalculatorConvert your hourly wage to annual salary based on real weekly hours — with weekly, biweekly, an…Prorated Salary CalculatorCalculate prorated salary for mid-month joining, leaving, or unpaid days — working-days and cale…Biweekly Pay CalculatorConvert annual salary or hourly wage to biweekly gross pay. Covers 26 vs 27 paycheck years, thre…Federal Severance Pay CalculatorCalculate federal employee severance pay using the official OPM formula: basic allowance, age ad…Redundancy Pay Calculator (UK)Calculate UK statutory redundancy pay: age-weighted weeks per year of service, the 20-year cap, …Severance Pay Tax CalculatorSee what your severance package is worth after taxes: 22% federal supplemental withholding, FICA…Pro Rata Salary CalculatorConvert a full-time salary to pro rata pay for part-time hours or days — with monthly, weekly, a…Term-Time Salary CalculatorCalculate term-time only (TTO) pay: paid weeks from term weeks plus accrued holiday, the annual …Medicare Tax CalculatorCalculate Medicare tax on any income: the 1.45% employee rate, employer match, and the Additiona…Social Security Tax CalculatorCalculate Social Security (OASDI) tax: the 6.2% rate, the annual wage base cap, employer match, …Employer Payroll Tax CalculatorCalculate the employer side of payroll taxes: Social Security and Medicare match, FUTA, and stat…Night Differential CalculatorCalculate night shift differential pay: percentage or flat premiums, federal GS 10% night differ…Double Time and a Half CalculatorCalculate double time and a half: 2.5 times your hourly rate — the premium structure for holiday…401(k) Match CalculatorCalculate your employer 401(k) match: common formulas (100% to 3%, 50% to 6%), the contribution …Freelance Rate CalculatorSet your freelance hourly rate properly: target income, self-employment tax, benefits, overhead,…Geographic Pay Differential CalculatorCalculate location-adjusted salaries: geographic differentials, cost-of-labor indexes, remote-wo…13th Month Pay CalculatorCalculate 13th month pay: total basic salary ÷ 12, prorated for months worked, the ₱90,000 tax e…Overtime Tax CalculatorCalculate taxes on overtime pay and see your real take-home OT earnings — plus why overtime is N…Salary Hike Percentage CalculatorCalculate your salary hike percentage from old and new CTC, or find your new salary from a hike …Gratuity CalculatorCalculate gratuity using the standard formula: (last basic + DA) × 15/26 × years of service. Che…Wage Garnishment CalculatorCalculate maximum wage garnishment under federal law: the 25% rule, 30x minimum wage protection,…Commission CalculatorCalculate sales commission: flat rate, tiered accelerators, base + commission, and draw structur…Back Pay CalculatorCalculate back pay for underpaid wages, missed overtime, or late raises — including the FLSA liq…Retro Pay CalculatorCalculate retroactive pay when a raise or correction applies to past paychecks: per-period diffe…On-Call Pay CalculatorCalculate on-call compensation: standby stipends, call-out minimums at 1.5x, the real hourly val…Hazard Pay CalculatorCalculate hazard pay: percentage uplifts (5-25%), flat hourly adders, the federal 25% GS differe…Per Diem CalculatorCalculate per diem for business travel: lodging + M&IE daily rates, the first/last-day 75% rule,…Tip Pooling CalculatorSplit pooled tips fairly by hours worked or role-based points — instant per-person shares plus t…COLA CalculatorCalculate the cost-of-living adjustment your salary needs to beat inflation — and check whether …W-2 vs 1099 CalculatorCompare W-2 salary against 1099 contract rates on equal footing: self-employment tax, benefits, …Quarterly Tax CalculatorCalculate quarterly estimated taxes for 1099 income: self-employment tax plus income tax split a…Salary Inflation CalculatorSee what your salary is worth after inflation: compare any past year to today, measure purchasin…Loss of Pay (LOP) CalculatorCalculate loss of pay deductions in Indian payroll: per-day salary basis (calendar vs working da…Salary Sacrifice CalculatorCalculate UK salary sacrifice savings: income tax + National Insurance saved, real take-home cos…In-Hand Salary CalculatorConvert CTC to in-hand salary: the full waterfall — employer PF, gratuity, employee PF, professi…Basic Salary CalculatorCalculate basic salary from CTC (40-50% convention) and see everything it drives: PF, gratuity, …HRA Exemption CalculatorCalculate HRA tax exemption under Section 10(13A): the least-of-three formula, metro vs non-metr…PF Calculator (EPF)Calculate EPF contributions (12% + 12%), the EPS pension split, and project your provident fund …Statutory Bonus CalculatorCalculate statutory bonus under the Bonus Act: 8.33-20% rates, the ₹21,000 eligibility ceiling, …
Category
Leave & PTO
PTO accrual, payouts, and leave balance calculators.
Leave Balance CalculatorWork out your remaining annual leave. Enter entitlement, leave taken, and carry-over to see your…PTO Accrual CalculatorCalculate how much PTO you accrue per pay period, per hour worked, or per month, and project you…PTO Payout CalculatorCalculate what your unused PTO is worth when leaving a job — gross and after-tax estimate, plus …Military Leave Sell Back CalculatorCalculate your military leave sell-back payment: base pay ÷ 30 × days sold, the 60-day career li…Holiday Entitlement Calculator (UK)Calculate UK statutory holiday entitlement: 5.6 weeks rule, pro-rata for part-time, mid-year sta…Statutory Sick Pay (SSP) CalculatorCalculate UK Statutory Sick Pay: the weekly rate, 3 waiting days, qualifying days, the 28-week l…Maternity Pay Calculator (UK SMP)Calculate UK Statutory Maternity Pay: 90% of average weekly earnings for 6 weeks, then the stand…Sick Leave Accrual CalculatorCalculate sick leave accrual under the 1-per-30 rule: hours earned from hours worked, annual cap…Leave Encashment CalculatorCalculate leave encashment from basic salary + DA and unused earned leave days. Includes exempti…Jury Duty Pay CalculatorCalculate jury duty pay: federal and state court fees, employer top-up policies, the income gap …FMLA CalculatorCheck FMLA eligibility: the 12-month and 1,250-hour tests, remaining weeks of your 12-week entit…Maternity Leave Date CalculatorPlan maternity leave from your due date: last working day, leave start, return date, and FMLA/UK…Paternity Pay CalculatorCalculate UK Statutory Paternity Pay: the weekly SPP rate vs 90% of earnings, 1-2 week entitleme…
Category
Dates & Deadlines
Working days, deadlines, and notice period calculators.
Notice Period End Date CalculatorEnter your resignation date and notice period (30, 60, 90 days) to instantly find your last work…Working Days Between Dates CalculatorCount working days between two dates, excluding weekends and optionally public holidays. Perfect…Deadline CalculatorAdd calendar or business days to any start date to find your exact deadline. Skips weekends and …Business Days Until Date CalculatorCount business days from today until any date — weekends excluded, 2026 US/UK/India holidays aut…Working Days in a Year CalculatorHow many working days are in 2026? Get exact counts for any year and country, plus working days …Working Days in a Month CalculatorCount the working days in any month — weekends out, 2026 holidays auto-detected — plus working d…Two Weeks Notice CalculatorFind your exact last working day after giving two weeks notice — calendar or business days, week…Probation End Date CalculatorCalculate exactly when your probation period ends — 30, 60, 90, or 180 days, or month-based — pl…Pay Period CalculatorCalculate your next paydays, pay period end dates, and payroll cutoff dates for weekly, biweekly…Full and Final Settlement CalculatorEstimate your FnF settlement: pending salary, leave encashment, gratuity, bonus, minus notice pe…Notice Buyout CalculatorCalculate notice period buyout: per-day salary × unserved days, the basic-vs-gross question, lea…
Why us
Built to Answer, Not Just Calculate
Instant & private
Every calculator runs in your browser. Results appear as you type — nothing is uploaded, tracked, or stored.
The formula, shown
Each tool explains its exact formula with a step-by-step worked example — so you can verify the math yourself.
US, UK & India rules
FLSA overtime, UK statutory holiday, Indian gratuity and FnF — the legal context that generic calculators skip.
Answers people ask
Every page answers the real questions — from "is 45 minutes 0.75?" to "how many classes for 75% attendance?"