Unit Converter — lbs to kg, cm to inches & more
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Free unit converter for weight and height: kg ↔ lb, cm ↔ inches, plus temperature. Instant results, no signup.
Convert length, weight, temperature, volume, speed and area between metric and US/imperial units.
lbs to cm?
Pounds (lbs) measure weight; centimeters measure length. You cannot convert lbs directly to cm — you need lbs → kg for weight and cm ↔ inches for height, separately. See our dedicated lbs to cm guide for a full conversion table, or use the fields below for an instant result.
Quick conversion reference
1 foot = 30.48 cm
1 yard = 0.9144 m
1 mile = 1.609 km
1 ounce = 28.35 g
1 stone = 6.35 kg
1 ton (metric) = 1000 kg
6 ft = 183 cm
150 lb = 68 kg
200 lb = 90.7 kg
Built by RoviDev Studio
This converter is one of RoviDev's free web utilities. We also build custom software, automation tools and internal dashboards for businesses. See how we work or browse case studies.
About this unit converter
This unit converter converts between metric and US/imperial units across six categories: length, weight, temperature, volume, speed and area. Pick the category, type a value and choose the units; the result updates instantly. Use the swap button to reverse the conversion.
Most common conversions
| Conversion | Exact or approximate factor | Example |
|---|---|---|
| Inches to centimeters | 1 in = 2.54 cm (exact) | 10 in = 25.4 cm |
| Feet to meters | 1 ft = 0.3048 m (exact) | 6 ft = 1.8288 m |
| Miles to kilometers | 1 mi = 1.609344 km | 26.2 mi = 42.16 km |
| Pounds to kilograms | 1 lb = 0.45359237 kg (exact) | 150 lb = 68.04 kg |
| Ounces to grams | 1 oz = 28.3495 g | 8 oz = 226.80 g |
| US gallons to liters | 1 gal = 3.785412 L | 10 gal = 37.85 L |
| Mph to km/h | 1 mph = 1.609344 km/h | 60 mph = 96.56 km/h |
| Acres to square meters | 1 acre = 4,046.86 m² | 2 acres = 8,093.7 m² |
Temperature formulas
| From | To | Formula | Example |
|---|---|---|---|
| Celsius | Fahrenheit | °F = °C × 9/5 + 32 | 0 °C = 32 °F; 100 °C = 212 °F |
| Fahrenheit | Celsius | °C = (°F − 32) × 5/9 | 98.6 °F = 37 °C |
| Celsius | Kelvin | K = °C + 273.15 | 25 °C = 298.15 K |
Tips for accurate conversions
- US and imperial units differ. A US gallon is 3.785 L, but an imperial (UK) gallon is 4.546 L. This converter uses US cups, pints, quarts and gallons.
- Ounces can mean weight or volume. A weight ounce is 28.35 g; a US fluid ounce is 29.57 mL.
- Round at the end. Convert with the exact factor and round only the final result.
- For a specific question like pounds to centimeters, see lbs to cm.
Related: volume converter, area calculator and percentage calculator.
How to use Unit Converter
- Open Unit Converter in RoviDev (you don't need to install anything or register).
- Enter the required data in the tool form.
- Press the button and see the result instantly on the screen.
Unit converter FAQ
How do I convert pounds to kilograms?
Multiply by 0.45359237. 150 lb is 68.04 kg. To go from kilograms to pounds, multiply by 2.20462.
How do I convert inches to centimeters?
Multiply by 2.54. 10 inches is 25.4 cm.
How do I convert Fahrenheit to Celsius?
Subtract 32 and multiply by 5/9. 98.6 °F is 37 °C.
How many liters are in a US gallon?
3.785412 liters.
How do I convert mph to km/h?
Multiply by 1.609344. 60 mph is about 96.56 km/h.
What is the difference between a US and an imperial gallon?
A US gallon is 3.785 liters; an imperial gallon is 4.546 liters, about 20% bigger.
Related free tools
Quick conversion reference
Common conversions people search for: 1 inch = 2.54 cm, 1 kg ≈ 2.205 lbs, °F = °C × 9/5 + 32. Use the calculator above for exact values.
- cm to inches / inches to cm for height and DIY
- kg to lbs / lbs to kg for weight and shipping
- Celsius to Fahrenheit for weather and cooking
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Free online unit converter
Convert length, weight, temperature and more in one click. Examples: inches ↔ cm, kg ↔ lb, °C ↔ °F. No signup — works on mobile.
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