1. Length (Length Measurement)
| Unit | Conversion |
| 1 Inch | 2.54 Centimeters |
| 1 Foot | 12 Inches |
| 1 Yard | 3 Feet |
| 1 Mile | 1760 Yards |
| 1 Mile | 5280 Feet |
| 1 Meter | 100 Centimeters |
| 1 Meter | 1000 Millimeters |
| 1 Meter | 3.28084 Feet |
| 1 Kilometer | 1000 Meters |
| 1 Kilometer | 0.621 Miles |
| 1 Centimeter | 10 Millimeters |
2. Area (Area Measurement)
| Unit | Conversion |
| 1 Square Foot (sq ft) | 144 Square Inches |
| 1 Square Yard | 9 Square Feet |
| 1 Square Meter | 10.7639 Square Feet |
| 1 Acre | 43,560 Square Feet |
| 1 Acre | 4046.86 Square Meters |
| 1 Hectare | 10,000 Square Meters |
| 1 Hectare | 2.471 Acres |
3. Volume (Volume Measurement)
| Unit | Conversion |
| 1 Cubic Foot | 1728 Cubic Inches |
| 1 Cubic Meter | 35.3147 Cubic Feet |
| 1 Cubic Meter | 1000 Liters |
| 1 Cubic Foot | 28.3168 Liters |
4. Weight (Weight Measurement)
| Unit | Conversion |
| 1 Kilogram | 1000 Grams |
| 1 Gram | 1000 Milligrams |
| 1 Metric Ton | 1000 Kilograms |
| 1 Quintal | 100 Kilograms |
| 1 Pound (lb) | 16 Ounces |
| 1 Pound | 0.453592 Kilograms |
5. Capacity (Liquid Measurement)
| Unit | Conversion |
| 1 Liter | 1000 Milliliters |
| 1 Milliliter | 0.001 Liter |
| 1 Gallon (US) | 3.785 Liters |
| 1 Gallon (UK) | 4.546 Liters |
6. Time Measurement
| Unit | Conversion |
| 1 Minute | 60 Seconds |
| 1 Hour | 60 Minutes |
| 1 Day | 24 Hours |
| 1 Week | 7 Days |
| 1 Fortnight | 14 Days |
| 1 Month | 28–31 Days |
| 1 Year | 12 Months |
| 1 Year | 365 Days |
| Leap Year | 366 Days |
| 1 Decade | 10 Years |
| 1 Century | 100 Years |
7. Temperature
| Unit | Conversion |
| °C to °F | (°C × 9/5) + 32 |
| °F to °C | (°F − 32) × 5/9 |
| 0°C | 32°F |
| 100°C | 212°F |
8. Computer Storage
| Unit | Conversion |
| 1 Byte | 8 Bits |
| 1 KB | 1024 Bytes |
| 1 MB | 1024 KB |
| 1 GB | 1024 MB |
| 1 TB | 1024 GB |
| 1 PB | 1024 TB |
9. Speed
| Unit | Conversion |
| 1 Kilometer | 1000 Meters |
| Speed | Distance ÷ Time |
| 1 km/h | 0.621 mph |
| 1 mph | 1.609 km/h |
10. Currency
| Unit | Conversion |
| 1 Rupee | 100 Paise |
| 100 Paise | 1 Rupee |
11. Counting Units
| Unit | Conversion |
| 1 Pair | 2 Items |
| 1 Dozen | 12 Items |
| 1 Score | 20 Items |
| 1 Gross | 144 Items |
12. Angle Measurement
| Unit | Conversion |
| Full Circle | 360° |
| Half Circle | 180° |
| Right Angle | 90° |
| Straight Angle | 180° |
13. Digital Data Transfer
| Unit | Conversion |
| 1 Kbps | 1000 bps |
| 1 Mbps | 1000 Kbps |
| 1 Gbps | 1000 Mbps |
14. Pressure
| Unit | Conversion |
| 1 Bar | 100,000 Pascals |
| 1 Atmosphere (atm) | 101.325 kPa |
| 1 PSI | 6.895 kPa |
15. Energy
| Unit | Conversion |
| 1 Kilowatt (kW) | 1000 Watts |
| 1 Megawatt (MW) | 1000 Kilowatts |
| 1 Unit of Electricity | 1 kWh |
16. Agriculture Land Measurement (India)
| Unit | Conversion |
| 1 Acre | 43,560 sq ft |
| 1 Acre | 4046.86 sq m |
| 1 Hectare | 2.471 Acres |
| 1 Hectare | 10,000 sq m |
17. Construction Measurement
| Unit | Conversion |
| 1 Foot | 12 Inches |
| 1 Meter | 3.28084 Feet |
| 1 Cubic Meter | 35.3147 Cubic Feet |
| 1 Square Meter | 10.7639 Square Feet |