Hours to Weeks Converter

Hours to Weeks

Convert hours (hr) to weeks (wk). Both measure duration, and the conversion comes up in scheduling, project management, cooking work.

The Formula

`` weeks = hours × 0.00595238095238 hours = weeks × 168 `

One hour is 0.005952 weeks, and one week is 168 hours.

Conversion Table

Hours	Weeks
1 hr	0.005952 wk
2 hr	0.011905 wk
5 hr	0.029762 wk
10 hr	0.059524 wk
25 hr	0.14881 wk
50 hr	0.297619 wk
100 hr	0.595238 wk
500 hr	2.9762 wk
1,000 hr	5.9524 wk

The Other Direction

Weeks	Hours
1 wk	168 hr
2 wk	336 hr
5 wk	840 hr
10 wk	1,680 hr
25 wk	4,200 hr
50 wk	8,400 hr
100 wk	16,800 hr
500 wk	84,000 hr
1,000 wk	168,000 hr

What Each Unit Is

Hours (hr) — 3,600 seconds. Egyptian division of day and night into twelve parts each, later equalised.

Weeks (wk) — 7 days, or 604,800 seconds. Babylonian and Hebrew calendars; it maps onto no astronomical cycle at all.

A Sense of Scale

• A working day is 8 hours
• A transatlantic flight is 7–8 hours
• A sprint is 1–2 weeks
• Notice periods are given in weeks

Precision

The factor 0.00595238095238 is rounded. For engineering work carry more digits than the table above, and round only at the end — rounding at each step compounds.

In Code

`javascript const hourToWeek = (value) => value * 0.00595238095238; ``

Where This Conversion Comes Up

• Scheduling
• Project management
• Cooking
• Sports
• Science

How Many Decimals Do You Need?

Rounding the factor costs accuracy, and how much depends on the factor. Converting 137 hr with the factor truncated at each decimal place:

Decimals kept	Factor	137 hr becomes	Error
0	0	0	100.0000%
1	0	0	100.0000%
2	0.01	1.37	68.0000%
3	0.006	0.822	0.8000%
4	0.006	0.822	0.8000%

A rule that holds for any conversion: round once, at the end. Rounding the factor and then multiplying compounds the error through every subsequent calculation, while carrying full precision and rounding the final answer does not.

The right number of significant figures is set by your input, not by the converter. If you measured hours to three significant figures, the answer in weeks is only good to three — writing more digits claims precision the measurement never had.

Other Conversions From Hours

The same value in every other unit this converter supports for time:

From	To	Unit
1 hr	3,600 s	Seconds
1 hr	3,600,000 ms	Milliseconds
1 hr	60 min	Minutes
1 hr	0.0416667 d	Days
1 hr	0.00138889 mo	Months
1 hr	1.1416e-4 yr	Years

Chaining conversions works — hours to metres to feet gives the same answer as hours to feet — but each step rounds, so a chain of three conversions carries three roundings. Convert directly where a direct factor exists.