Meat Roasting Time Calculator

Estimate oven roasting time for beef, pork, lamb or chicken by weight and doneness.

Usage Tip

Rest a roast 10–20 minutes before carving so juices redistribute.

Roasting Time
— minutes
Plus resting
THE MATH
time = weight (kg) × minutes per kg + 20 min base
Roasting at about 180°C; rare beef is quicker, well-done and pork need longer.
Always confirm doneness with a meat thermometer; times are a guide only.
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The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.