Week to Day Converter
Convert weeks to days instantly. Free weeks to days calculator with formula, examples and FAQs.
Converted value
7.00
1.00 weeks = 7.00 days
What is weeks to days?
Week and Day both measure time, so converting weeks to days restates the same quantity in a different unit. Project and programme managers reach for this conversion regularly. The relationship is fixed and linear, which means one factor (days = weeks × 7) maps every weeks value to its exact days equivalent.
Where you'll use weeks to days
- •Planning sprints and project phases.
- •Scheduling courses and programmes.
- •Calculating pregnancy and growth timelines.
- •Estimating delivery and lead times.
- •Estimating delivery windows.
Formula
days = weeks × 7
Example calculations
- •1 weeks = 7 days
- •2 weeks = 14 days
- •4 weeks = 28 days
weeks to days conversion table
| weeks | days |
|---|---|
| 1 | 7 |
| 5 | 35 |
| 10 | 70 |
| 30 | 210 |
| 60 | 420 |
| 100 | 700 |
| 1000 | 7000 |
Common mistakes to avoid
- •Reading the result the wrong way round. Confirm the answer is in days, not weeks, before you rely on it.
- •Truncating instead of rounding, which compounds error across larger weeks values.
- •Assuming every month or year is a fixed length. Convert through seconds for an exact result.
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Frequently asked questions
How do I convert weeks to days?
Multiply your weeks value by the conversion factor, or use the formula: days = weeks × 7. The calculator above applies this instantly in your browser.
What is the formula for weeks to days?
The standard conversion is: days = weeks × 7. Enter any weeks value above and the calculator returns the equivalent in days immediately.
How do I convert days back to weeks?
Swap the units in the calculator, or open our dedicated days-to-weeks page for the inverse formula, examples and table.
When would I need to convert weeks to days?
A common situation is estimating delivery and lead times. It also helps project and programme managers. Bookmark this page for quick weeks to days lookups.
Is this weeks to days converter accurate, and is my data private?
Yes on both counts. Conversions use standard international factors and precise floating-point math, and everything runs locally in your browser — nothing you type is uploaded.
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