How many days are in 8 weeks?

8 weeks × 7 = 56 days. Useful for pregnancy trimesters or project milestones.

I'm managing a software sprint that's 2 weeks long, but I need to break down daily tasks. How many days is that?

2 weeks × 7 = 14 days. Converting to days helps you allocate specific daily tasks, track progress through the sprint, and coordinate with team members tracking daily metrics.

You're 20 weeks pregnant and your doctor asks 'How many days along?' for the official maternity record. What's the conversion?

20 weeks × 7 = 140 days pregnant.

Are there any variations in the week length?

In modern use, no: the 7-day week is used almost everywhere, and ISO 8601 defines a week as 7 days. Some historical calendars used other lengths, such as the 10-day week of the French Republican calendar.

Weeks to Days Converter

Enter a value to instantly convert between time units.

From

Precision4 dp

1 Week = 7 Day

Key Formulas

Hour → Minute

min = h × 60

Minute → Hour

h = min × 0.0166667

Day → Hour

h = d × 24

Hour → Day

d = h × 0.0416667

Formula

d = wk × 7

A week is defined as 7 consecutive days. Converting weeks to days is useful for longer project timelines, event planning, and understanding schedule spans in daily terms.

Source: ISO 80000-3:2019

Reviewed by the Convert Calc editorial team · Last reviewed: 2026-10-06 · see our methodology

Frequently Asked Questions

Real-World Examples

One week. 1 week = 7 days. Baseline for weekly planning.

1 wk = 7 d

Four weeks. 4 weeks = 28 days, a little shorter than an average month (about 30.4 days).

4 wk = 28 d

Twelve weeks. 12 weeks = 84 days, one week short of a 13-week quarter.

12 wk = 84 d

One year (approx). 52 weeks ≈ 364 days. Annual cycle (365 days actual).

52 wk = 364 d

hours to minutes minutes to hours days to hours hours to days years to days

Weeks to Days Converter

Key Formulas

Formula

Frequently Asked Questions

Real-World Examples

Related Converters

Further Reading