Clear time arithmetic

Understand every number in your shift total

Practical guides to break subtraction, decimal conversion, and shifts that cross midnight.

Breaks4 min read

How to calculate work hours with breaks

Subtract unpaid breaks from each shift before combining daily or weekly worked-time totals.

Decimal hours4 min read

Divide minutes by 60: 15 minutes is 0.25 hour, 30 is 0.50, and 45 is 0.75. Add whole hours only after preserving the exact minute total.

Overnight shifts4 min read

Treat the end as next-day time, calculate across a 24-hour boundary, and subtract the break from gross overnight minutes.