Egg Timer FAQ: Everything You Need to Know (2026)
What is an Egg Timer and how does it work?
An egg timer is an online tool that helps you cook eggs perfectly every time by calculating the exact boiling time based on your egg's size, starting temperature, desired doneness, and altitude. Simply select your settings, and the timer automatically adjusts the cooking time. For a detailed overview, see our page on what an egg timer is.
How do I calculate the perfect boiling time for my eggs?
You can use the Egg Timer calculator on our homepage. Select your egg size (small to extra large), doneness (soft, medium, or hard), starting temperature (cold from fridge or room temperature), and your altitude (sea level, medium, or high). The timer will compute the exact seconds needed. For a step-by-step method, check out our guide on how to calculate egg boiling time.
What are the typical cooking time ranges for soft, medium, and hard-boiled eggs?
Soft-boiled eggs (runny yolk) usually take 4–6 minutes, medium-boiled (jammy yolk) take 7–9 minutes, and hard-boiled (fully cooked) take 10–12 minutes. These times vary with egg size and altitude. See our complete egg boiling time ranges guide for detailed charts.
When should I recalculate cooking time?
Recalculate whenever any variable changes: different egg size, starting temperature, altitude, or desired doneness. Also, if you move to a different altitude or switch from cold to room-temperature eggs, you need a new calculation. The egg boiling time formula explains how each factor affects timing.
What are common mistakes when cooking eggs?
Common mistakes include starting eggs in cold water (always start with boiling water), not using a timer, skipping the ice bath, and using fresh eggs for peeling. Also, many forget to adjust for altitude. For high-altitude tips, see our high altitude egg timer page.
How accurate is the egg timer?
The Egg Timer is highly accurate when you input the correct settings. Timing errors are usually due to variations in egg size or starting temperature. For best results, use a consistent method: always bring water to a rolling boil before adding eggs, and immediately transfer to ice water after cooking.
What related metrics affect egg boiling?
Key metrics include egg size (small, medium, large, extra large), starting temperature (cold vs. room temperature), altitude (affects boiling point), and doneness (soft, medium, hard). Even the age of eggs matters for peeling but not cooking time.
How does altitude affect cooking time?
At higher altitudes, water boils at a lower temperature, so eggs need more time to cook. For every 1000 feet above sea level, you may need to add about 1 minute of cooking time. Our high altitude egg timer page covers adjustments for 5000+ feet.
Can I use custom times?
Yes! The Egg Timer has a "Custom Time" mode where you can set any minutes and seconds. This is useful if you have your own preferred timing or are experimenting with new recipes.
Why are older eggs easier to peel?
Eggs that are 7–10 days old have a higher pH, which makes the inner membrane separate more easily from the shell. Fresh eggs have a lower pH, making them stick to the shell. For best peeling, use week-old eggs and immediately cool them in an ice bath.
How do I stop the cooking process?
Immediately transfer eggs to a bowl of ice water (ice bath) for at least 5 minutes after boiling. This stops the carryover cooking and prevents the yolk from overcooking. It also helps with peeling.
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