Roast Cooking Time Calculator
A free, browser-based calculator. Runs entirely in your browser — no sign up, nothing stored.
100% FreeRuns in your browserBasic
Enter Values
Enter your values and press Calculate to see results.
How to use this calculator
- Enter the weight and minutes per kg.
- Add extra minutes for resting/base if needed.
How it works
Total time = weight × minutes per kg + any extra minutes.
Worked example
2 kg at 45 min/kg + 20. = 110 minutes (1h 50m).
Common mistakes
- Not bringing the meat to room temperature first.
- Skipping a meat thermometer — times are a guide, internal temperature is the truth.
Frequently asked questions
What minutes-per-kg should I use?
It depends on the meat and doneness (e.g. beef medium ~40–45 min/kg). Use your recipe's figure and verify with a thermometer.
Related tools
Tip: Enter any known values to calculate the remaining results.
All calculations run in your browser. Your inputs are never saved or transmitted.