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Time Card Calculator (Hours, Overtime & Total Pay)

Track weekly work shifts, unpaid lunch deductions, overtime hours, and gross wages.

Deterministic Math
Zero Data Collection
Client-Side Compute

Timecard Hours & Wage

Currency
$

Net Work Hours and Overtime

Transparent mathematical methodology explained in plain English.

Net Hours = (Shift End - Shift Start - Lunch) | Gross = (Reg × Rate) + (OT × Rate × 1.5)

Calculates regular hours up to 40 weekly hours and 1.5× overtime multiplier for excess hours.

Variables Explained:

  • Reg: Regular working hours (up to 40).
  • OT: Overtime hours exceeding 40 per week.
Real Project Example

Five 8.5-hour shifts with 30-min unpaid lunches at $24/hr

Weekly payroll calculation.

Sample Project Inputs:
Shifts: 5 days (8:00 AM - 4:30 PM)
Lunch: 30 min/day
Rate: $24.00/hr
Step-by-Step Calculation:
  1. Daily hours: 8.5 - 0.5 = 8.0 hours worked.
  2. Weekly total: 8.0 × 5 = 40.0 hours.
  3. Gross pay: 40 × $24.00 = $960.00.
Calculated Answer: 40.0 hours worked; $960.00 gross weekly pay.
Verified Calculation Standards E-E-A-T Verified

Formulas calibrated against NIST Dimensional Standards & Peer-Reviewed Mathematical Formulas. Calculations are computed 100% client-side in your browser for absolute data privacy.

Knowledge Base

Frequently Asked Questions: Timecard Calculator

Click any question below to expand quick answers, formulas, and expert tips.

How is overtime calculated in the US?

Under federal FLSA rules, non-exempt employees must receive overtime pay at 1.5 times their regular rate for any hours worked beyond 40 in a single workweek.