Here are average kilocalorie (kcal) requirements for different body weights, life styles and ages. In winter dogs need slightly increased kcal intake according to the amount of time they spend outside.
Energy requirement in kcal
| Weight / Lifestyle | 2-5kg | 6-10kg | 11-20kg | 21-30kg | 31-40kg | 41-50 |
| Inactive | 185-370 | 420-620 | 665-1040 | 1080-1410 | 1445-1750 | 1780-2070 |
| Active | 210-420 | 480-705 | 775-1180 | 1225-1600 | 1640-1990 | 2025-2350 |
| Working | 295-590 | 675-990 | 1065-1665 | 1725-2255 | 2310-2800 | 2850-3310 |
| Pregnant | 220-440 | 505-740 | 800-1250 | 1295-1690 | 1735-2100 | 2140-2480 |
| Senior | 150-300 | 345-505 | 545-850 | 885-1155 | 1180-1430 | 1460-1690 |