Roast Cooking Time Calculator

Use this roast cooking time calculator to estimate roast cooking time from food weight and method. Enter food type, weight, cooking temperature and doneness preference and review an estimated cooking time and finish schedule.

Roasting time at 180°C
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Start checking at —
Rest after —
Target internal temp —

A guide only — ovens and cuts vary. Use a meat thermometer to confirm doneness, especially for poultry and pork.

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How it works

Time = weight (kg) × minutes-per-kg for the meat and doneness, plus a base time

How to use the Roast Cooking Time Calculator

Start by entering food type, weight, cooking temperature and doneness preference. Keep the units consistent and check that each value belongs to the same question.

The result gives an estimated cooking time and finish schedule. Food thickness, starting temperature and oven performance affect the result. Use it as a guide and check any instructions, rules or professional advice that apply.

Frequently Asked Questions

What does this roast cooking time calculator calculate?
It gives an estimated cooking time and finish schedule. Food thickness, starting temperature and oven performance affect the result.
What information should I enter?
Enter food type, weight, cooking temperature and doneness preference. Use the same units throughout so the result is easier to understand.
Should I rely only on the timer?
No. Check the centre temperature and safe cooking guidance for the food.