Roast Timing Tool

🍖 Gammon & Ham Roast Calculator

Cooking times, temperatures, and a full timeline for gammon & ham. Select your cut, enter the weight, and get your result instantly.

Temp

Cooking times are estimates. Always verify doneness with a meat thermometer and refer to UK FSA food safety guidelines.

Step by step

How to roast gammon & ham

  1. 1

    Choose your cut

    Select from whole gammon / ham, gammon joint

  2. 2

    Enter the weight

    Type in the weight in kg or lb

  3. 3

    Set your preferences

    Choose oven type, stuffed, bone-in, or spatchcock options

  4. 4

    Get your result

    See cook time, oven temp, pull temperature, and rest time instantly

  5. 5

    Plan backwards

    Enter your serve time and get a full timeline from thaw to table

Reference

Gammon & Ham cooking time chart

CutWeight (lb)Oven TempApprox TimeInternal TempRest
Whole Gammon / Ham4350°F1h 12m145°F15 min
8350°F2h 24m145°F15 min
12350°F3h 36m145°F15 min
Gammon Joint4350°F1h 4m145°F10 min
8350°F2h 8m145°F10 min
12350°F3h 12m145°F10 min
Safety

About roasting gammon & ham

Cooking times are estimates and depend on oven accuracy, the shape and starting temperature of your meat, and other factors. Always verify doneness with a reliable meat thermometer inserted into the thickest part, avoiding bone.

FAQ

Frequently asked questions about roasting gammon & ham

How long does gammon take to roast per kg?
A whole gammon takes approximately 35–40 minutes per kg at 180°C. Use the gammon calculator for precise times based on weight and whether bone-in or boneless.
What is the difference between gammon and ham?
Gammon is the raw cured pork leg; ham is the cooked version. Both can be roasted. Raw gammon must be cooked to 75°C (167°F) internally, while pre-cooked ham just needs reheating to 75°C (167°F).
What temperature should gammon reach?
Raw gammon should reach 75°C (167°F) internal temperature per UK FSA guidelines. Pull at 72°C (162°F) and let carryover cooking finish the job during rest.
Can I roast a pre-cooked ham?
Yes. Pre-cooked ham just needs reheating to 75°C (167°F) throughout. Cover with foil and heat at 160°C for about 20 minutes per kg. Glaze during the last 20–30 minutes.