🧮 Weight Converter
An easy and fast weight unit converter. Enter a value in any format.
📐 Conversion Factors
1 kg = 2.20462 lbs | 1 lbs = 0.453592 kg | 1 st = 6.35029 kg = 14 lbs
📊 Weight Converter Statistics and Facts
Scientific Basis
This calculation is based on sports science research and is widely used in the practice of coaches and athletes.
Research Data
Recent data are available on the importance of this indicator in planning training, nutrition and recovery.
Practical Use
Professional athletes and coaches use this indicator to track progress and adjust training plans.
💡 Practical Tips
- Use Regularly — track your results every 1–2 weeks to see progress trends.
- Be Consistent — measure under the same conditions (same time of day, same equipment).
- Combine with Other Indicators — do not use this indicator alone. Combine it with other measurements for a complete picture.
- Consult Professionals — if the results are concerning, consult a sports medicine doctor or a certified coach.
Two Main Units
In sport, we most often encounter two weight systems: metric (kilograms, grams) and imperial (pounds, ounces). Competition weights, training programs from the USA or UK, food packaging — different units can occur everywhere.
🧮 Formulas
| Conversion | Formula | Example |
|---|---|---|
| kg → pounds (lb) | kg × 2,2046 | 100 kg ≈ 220,5 lb |
| pounds → kg | lb ÷ 2,2046 | 225 lb ≈ 102 kg |
| kg → ounces (oz) | kg × 35,274 | 0,1 kg ≈ 3,5 oz |
| ounces → g | oz × 28,3495 | 4 oz ≈ 113 g |
📋 Quick Values for Sport
| kg | lb (approximately) | English (round weight) |
|---|---|---|
| 20 | 44 | 45 lb |
| 40 | 88 | 90 lb |
| 60 | 132 | 135 lb |
| 80 | 176 | 175 lb |
| 100 | 220 | 225 lb |
| 140 | 309 | 315 lb |
In English (or “American”) strength sport, round weights often correspond to round pound values (45, 135, 225, 315 lb) — so numbers in US programs may look “strange”.
💡 Practical Memory
- A quick way: lb ≈ kg × 2 + 10 % (e.g. 80 kg → 160 + 16 = 176 lb).
- Conversely: kg ≈ lb ÷ 2 − 10 % (225 lb → 112 − 11 ≈ 101 kg).
- 45 lb ≈ 20,4 kg, o 10 lb ≈ 4,5 kg — these two are worth remembering, as they occur most often.
- Body weight it is better to track it in one unit and not change it — otherwise “weight loss” may appear greater than it is.
- Food packaging In the US, they are usually stated in ounces (oz), so conversion helps estimate portions (see calorie search).
🙋 Frequently Asked Questions
Are “Pound” and “Svaras” the Same Thing? Yes — in Lithuanian it is often called “svaras”, although it is not the same as the Lithuanian historical svaras; the modern one refers to the avoirdupois pound (0,4536 kg).
Why Are Pounds Sometimes Given in Sports Competitions? Due to federation traditions — some strength sports federations use the imperial system.
Is the Conversion Accurate? Yes, if exact coefficients are used; rounding is good for cases where only an approximate value matters.