The body mass index, or BMI, is a measure of body fat based on height and weight.
Use this BMI Formula to calculate your Body Mass Index. Formulating your Body Mass Index is not at all difficult if you follow these simple equations. Of course, a calculator is highly recommended. Enjoy!
Daily Calorie Requirement Chart:
Please note that generally, men need more calories per day than women. Younger people need to consume more calories than older people. Pregnant or lactating women need a higher calorie intake.This chart is a guide for both males and females of various ages and body weights. We have included an additional chart which displays the calories needed when partaking in certain activities.
If you want to know how many calories per day to lose weight, you should keep your daily calorie intake under the required allowance for your age and weight. Most people will lose weight when consuming around 1500 calories per day.
Women
| Weight | Age 18 to 35 | Age 36 to 55 | Age over 55 |
| 45 kg - 100 lbs | 1760 cals | 1570 cals | 1430 cals |
| 50 kg - 110 lbs | 1860 | 1660 | 1500 |
| 55 kg - 121 lbs | 1950 | 1760 | 1550 |
| 60 kg - 132 lbs | 2050 | 1860 | 1600 |
| 65 kg - 143 lbs | 2150 | 1960 | 1630 |
| 70 kg - 154 lbs | 2250 | 2050 | 1660 |
| 75 kg - 165 lbs (and above) | 2400 | 2150 | 1720 |
Men
| Weight | Age 18 to 35 | Age 36 to 55 | Age over 55 |
| 60 kg - 132 lbs | 2480 | 2300 | 1900 |
| 65 kg - 143 lbs | 2620 | 2400 | 2000 |
| 70 kg - 154 lbs | 2760 | 2480 | 2100 |
| 75 kg - 165 lbs | 2900 | 2560 | 2200 |
| 80 kg - 176 lbs | 3050 | 2670 | 2300 |
| 85 kg - 187 lbs | 3200 | 2760 | 2400 |
| 90 kg - 198 lbs (and above) | 3500 | 3000 | 2600 |
Calorie Adjustments for specific activities:
Add or subtract the specified calories from - to your required daily calorie intake. Note that if you are classed as inactive, you need to subtract calories from your daily allowance to maintain weight. The more active you are the more calories the body needs for energy.
For example if you are a 35 year old women who sits at a computer each day and weighs over 90 kilos - 200 lbs, you would need 2400 calories less 960 to simply maintain your weight. A total of 1440 calories per day.
An example for a male who is over 55, plays golf twice a week is he can consume 2400 calories daily to maintain his weight and on his golf days have a treat equal to 380 calories and not put on weight.
| Body Weight | Inactive Office Worker Bed Ridden Computer Geek | Moderate Activity Tradesman Golf Gardening | Strenuous Activity Physical Labor High Energy Sports |
| 50 kg - 110 lbs | Minus 480 | + 240 | + 480 |
| 60 - 132 lbs | Minus 570 | + 290 | + 570 |
| 70 - 154 lbs | Minus 670 | + 340 | + 670 |
| 80 - 176 lbs | Minus 760 | + 380 | + 760 |
| 90 - 198 lbs (and above) | Minus 960 | + 430 | + 860 |
