# Chicken cooking time calculator

Enter the weight of your chicken for the roasting time, temperature and when it goes in. Times for chicken pieces are below.

Source: https://feastflow.co.uk/roast-chicken-cooking-time (FeastFlow free cooking-time guides). Last checked 9 November 2026. The page has a calculator that works out the time for any weight and serving time.

## Whole roast chicken cooking times

At 190°C (170°C fan), 375°F, roast a chicken for **45 minutes per kg plus 20 minutes** (20 minutes per lb plus 20 minutes).

Whole chicken at 190°C (170°C fan), 375°F:

| Weight | Cooking time | Rest |
| --- | --- | --- |
| 1.2 kg (2.6 lb) | 1 h 15 min | 15 min |
| 1.4 kg (3.1 lb) | 1 h 25 min | 15 min |
| 1.6 kg (3.5 lb) | 1 h 30 min | 15 min |
| 1.8 kg (4 lb) | 1 h 40 min | 15 min |
| 2 kg (4.4 lb) | 1 h 50 min | 15 min |
| 2.2 kg (4.9 lb) | 2 h | 15 min |
| 2.5 kg (5.5 lb) | 2 h 15 min | 15 min |

## Chicken breast, thigh and drumstick oven times

| Piece | Oven time | Oven |
| --- | --- | --- |
| Breast, boneless | 20–25 min | 200°C (180°C fan), 400°F |
| Thighs, bone in | 35–45 min | 200°C (180°C fan), 400°F |
| Thighs, boneless | 20–25 min | 200°C (180°C fan), 400°F |
| Drumsticks | 35–45 min | 200°C (180°C fan), 400°F |
| Wings | 40–45 min | 200°C (180°C fan), 400°F |
| Whole legs | 45–50 min | 200°C (180°C fan), 400°F |

Chicken is cooked at **74°C (165°F)** in the thickest part. Cut into the thickest piece: the juices should run clear, with no pink meat.

## Questions

### How long to cook a 1.5 kg chicken?

About 1 h 30 min at 190°C (170°C fan), then 15 minutes to rest.

### How long do chicken breasts take in the oven?

Boneless breasts take 20–25 minutes at 200°C (180°C fan), 400°F.

### How long do chicken thighs take in the oven?

Bone-in thighs take 35–45 minutes at 200°C (180°C fan); boneless thighs take 20–25 minutes.

---

Times are a guide: ovens and joints vary. Always check meat with a thermometer before serving. FeastFlow’s times come from British Turkey, AHDB and USDA guidance.

FeastFlow also plans a whole meal backwards from serving time, with every dish timed and oven temperatures that don’t clash: https://feastflow.co.uk/