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:
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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 |
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