Universal Unit Conversion Tool
Convert between hundreds of measurement units with precision - Based on ISA Standards
Length Conversion
Result:
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Mass Conversion
Result:
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Volume Conversion
Result:
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Temperature Conversion
Result:
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Time Conversion
Result:
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Time Conversion Reference
Common Time Conversions
- 1 minute = 60 seconds
- 1 hour = 60 minutes = 3,600 seconds
- 1 day = 24 hours = 1,440 minutes = 86,400 seconds
- 1 week = 7 days = 168 hours
- 1 month (average) = 30.44 days
- 1 year = 365 days (366 in leap years)
- 1 decade = 10 years
- 1 century = 100 years
- 1 millennium = 1,000 years
Energy Conversion
Result:
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Energy Conversion Reference
Common Energy Conversions
- 1 joule (J) = 1 watt-second
- 1 kilojoule (kJ) = 1,000 joules
- 1 calorie (cal) = 4.184 joules
- 1 kilocalorie (kcal) = 1,000 calories = 4,184 joules
- 1 watt-hour (Wh) = 3,600 joules
- 1 kilowatt-hour (kWh) = 3,600,000 joules
- 1 electronvolt (eV) = 1.602 × 10-19 joules
- 1 BTU = 1,055 joules
- 1 foot-pound (ft·lb) = 1.356 joules
Area Conversion
Result:
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Area Conversion Reference
Common Area Conversions
- 1 square metre (m²) = 10,000 square centimetres
- 1 hectare (ha) = 10,000 square metres
- 1 square kilometre (km²) = 1,000,000 square metres
- 1 square inch (in²) = 6.4516 square centimetres
- 1 square foot (ft²) = 144 square inches
- 1 square yard (yd²) = 9 square feet
- 1 acre = 43,560 square feet
- 1 square mile (mi²) = 640 acres
Power Conversion
Result:
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Power Conversion Reference
Common Power Conversions
- 1 watt (W) = 1 joule per second
- 1 kilowatt (kW) = 1,000 watts
- 1 megawatt (MW) = 1,000,000 watts
- 1 gigawatt (GW) = 1,000,000,000 watts
- 1 horsepower (hp) = 745.7 watts
- 1 metric horsepower (PS) = 735.5 watts
- 1 BTU per hour = 0.293 watts
- 1 foot-pound per second = 1.356 watts
Force Conversion
Result:
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Force Conversion Reference
Common Force Conversions
- 1 newton (N) = 1 kg·m/s²
- 1 kilonewton (kN) = 1,000 newtons
- 1 dyne (dyn) = 10-5 newtons
- 1 pound-force (lbf) = 4.448 newtons
- 1 kilogram-force (kgf) = 9.807 newtons
- 1 ounce-force (ozf) = 0.278 newtons
Density Conversion
Result:
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Density Conversion Reference
Common Density Conversions
- 1 kg/m³ = 0.001 g/cm³
- 1 g/cm³ = 1,000 kg/m³
- 1 g/mL = 1 g/cm³
- 1 lb/ft³ = 16.018 kg/m³
- 1 lb/in³ = 27,680 kg/m³
- 1 oz/in³ = 1,730 kg/m³
Viscosity Conversion
Result:
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Viscosity Conversion Reference
Common Viscosity Conversions
- 1 pascal-second (Pa·s) = 1,000 centipoise
- 1 centipoise (cP) = 0.001 Pa·s
- 1 poise (P) = 100 centipoise
- 1 pound-second per square foot = 47.88 Pa·s
- 1 square metre per second (m²/s) = 10,000 stokes
- 1 centistoke (cSt) = 0.000001 m²/s
- 1 stoke (St) = 0.0001 m²/s
Currency Conversion
Result:
Enter a value and select currencies to convert
Currency Conversion Note
Important Information
Currency exchange rates change constantly. The conversion rates used in this tool are approximate and for demonstration purposes only. For accurate, up-to-date exchange rates, please refer to financial websites or your bank.
This tool uses fixed exchange rates based on approximate values and does not reflect real-time market conditions.
Astronomical Distance Conversion
Result:
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Astronomical Distance Reference
Common Astronomical Conversions
- 1 Astronomical Unit (AU) = 149,597,870.7 kilometres
- 1 Light Year (ly) = 63,241.1 AU = 9.461 × 1012 kilometres
- 1 Parsec (pc) = 3.26156 light years = 206,265 AU
- 1 Light Second = 299,792 kilometres
- 1 Light Minute = 17,987,500 kilometres
- 1 Light Hour = 1,079,250,000 kilometres
The Metric System - King Hector Mnemonic
How to Use the Mnemonic
Remember the phrase: "King Hector Declares Unite Decide Chocolate Milk"
This helps remember the metric prefixes in order from largest to smallest:
Kilo (1000), Hecto (100), Deka (10), Unit (1), Deci (0.1), Centi (0.01), Milli (0.001)
Metric Conversion Chart
| Length | Mass | Volume |
|---|---|---|
| 1 km = 10 hm | 1 kg = 10 hg | 1 kL = 10 hL |
| 1 hm = 10 dam | 1 hg = 10 dag | 1 hL = 10 daL |
| 1 dam = 10 m | 1 dag = 10 g | 1 daL = 10 L |
| 1 m = 10 dm | 1 g = 10 dg | 1 L = 10 dL |
| 1 dm = 10 cm | 1 dg = 10 cg | 1 dL = 10 cL |
| 1 cm = 10 mm | 1 cg = 10 mg | 1 cL = 10 mL |
| Length (Reverse) | Mass (Reverse) | Volume (Reverse) |
|---|---|---|
| 1 mm = 1/10 cm | 1 mg = 1/10 cg | 1 mL = 1/10 cL |
| 1 cm = 1/10 dm | 1 cg = 1/10 dg | 1 cL = 1/10 dL |
| 1 dm = 1/10 m | 1 dg = 1/10 g | 1 dL = 1/10 L |
| 1 m = 1/10 dam | 1 g = 1/10 dag | 1 L = 1/10 daL |
| 1 dam = 1/10 hm | 1 dag = 1/10 hg | 1 daL = 1/10 hL |
| 1 hm = 1/10 km | 1 hg = 1/10 kg | 1 hL = 1/10 kL |
SI Unit Prefixes
| Prefix | Symbol | Multiplying Factor | Numerical |
|---|---|---|---|
| exa | E | 1018 | 1,000,000,000,000,000,000 |
| peta | P | 1015 | 1,000,000,000,000,000 |
| tera | T | 1012 | 1,000,000,000,000 |
| giga | G | 109 | 1,000,000,000 |
| mega | M | 106 | 1,000,000 |
| kilo | k | 103 | 1,000 |
| hecto | h | 102 | 100 |
| deca | da | 101 | 10 |
| (unit) | - | 100 | 1 |
| deci | d | 10-1 | 0.1 |
| centi | c | 10-2 | 0.01 |
| milli | m | 10-3 | 0.001 |
| micro | ΞΌ | 10-6 | 0.000001 |
| nano | n | 10-9 | 0.000000001 |
| pico | p | 10-12 | 0.000000000001 |
| femto | f | 10-15 | 0.000000000000001 |
| atto | a | 10-18 | 0.000000000000000001 |
