Weeks to Hours
Convert weeks to hours instantly — one week is 168 hours.
| Weeks | Hours |
|---|---|
| 1 wk | 168 hr |
| 2 wk | 336 hr |
| 3 wk | 504 hr |
| 5 wk | 840 hr |
| 10 wk | 1680 hr |
| 25 wk | 4200 hr |
| 50 wk | 8400 hr |
| 100 wk | 16800 hr |
How to use
- Enter a value in the Weeks field.
- The Hours figure appears immediately — no button to press.
- Typing in the Hours field converts back to Weeks the same way.
- Use the reference table for the values that come up most often.
Weeks to Hours formula
The factor from weeks to hours is 168.
hr = wk × 168
Put another way, one week is exactly 168 hours.
Why this factor: the week and the hour are both defined against the second, so dividing one definition by the other gives 168 directly. Both definitions are set out in full below.
To go the other way, divide by 168 — or use the Hours to Weeks converter, which is the same calculation reversed.
Worked example
Given 15 wk, multiplying by 168 yields 2520 hr.
15 wk × 168 = 2520 hr
The converter above does this for any value you type, in either direction.
What is a week?
A week is seven days, the standard unit of work and project planning.
Definition: Exactly 604,800 seconds.
Where it is used: Sprint and project planning, payroll periods, pregnancy tracking, and lead times.
What is an hour?
An hour is sixty minutes — the primary unit of the working day.
Definition: Exactly 3,600 seconds.
Where it is used: Work and billing time, flight durations, and energy quantities such as the kilowatt-hour.
Weeks vs Hours
The week and the hour belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many hours are in a week?
One week equals 168 hours.
What is the formula to convert weeks to hours?
Multiply the number of weeks by 168. To reverse it, divide by 168 instead.
How do I convert hours back to weeks?
Divide by 168, which is the same as multiplying by 0.00595238095.
How many hours are in 10 weeks?
10 wk works out to 1680 hr.
How is the week defined?
Exactly 604,800 seconds.