1. 1 kilo = 1000 grams 🏋️
2. 1 pound = 0.4536 kilograms ⚖️
3. 1 gallon = 3.785 liters 🚰
4. 1 kilometer = 1000 meters 🌍
5. 1 mile = 1.609 kilometers 🛣️
6. 1 acre = 4046.86 square meters 🌾
7. 1 inch = 2.54 centimeters 📏
8. 1 foot = 12 inches 👣
9. 1 yard = 3 feet 📐
10. 1 square meter = 10.764 square feet 🏠
11. 1 liter = 1000 milliliters 🥤
12. 1 cup = 236.588 milliliters ☕
13. 1 tablespoon = 15 milliliters 🥄
14. 1 teaspoon = 5 milliliters 🍴
15. 1 ounce = 28.3495 grams ⚖️
16. 1 quart = 0.946 liters 🍶
17. 1 ton (US) = 907.184 kilograms 🚛
18. 1 ton (UK) = 1016.05 kilograms 🚢
19. 1 knot = 1.852 kilometers/hour ⛵
20. 1 horsepower = 745.7 watts 🚗
21. 1 calorie = 4.184 joules 🔥
22. 1 kilogram = 2.20462 pounds ⚖️
23. 1 stone = 14 pounds 🪨
24. 1 square mile = 2.589 square kilometers 🗺️
25. 1 hectare = 10,000 square meters 🌳
26. 1 bar = 100 kilopascals 🛠️
27. 1 atmosphere = 101.325 kilopascals 🌬️
28. 1 kilowatt-hour = 3.6 megajoules 💡
29. 1 light year = 9.461 trillion kilometers 🌌
30. 1 parsec = 3.26 light years ✨
31. 1 Celsius = (1.8 × °C) + 32 °F 🌡️
32. 1 Fahrenheit = (°F - 32) ÷ 1.8 °C 🌞
33. 1 day = 24 hours ⏳
34. 1 hour = 60 minutes ⏰
35. 1 minute = 60 seconds 🕒
36. 1 week = 7 days 📅
37. 1 year = 365 days (or 366 in a leap year) 📆
38. 1 decade = 10 years 🕰️
39. 1 century = 100 years 📜
40. 1 millennium = 1000 years 🏛️
41. 1 byte = 8 bits 💾
42. 1 kilobyte = 1024 bytes 💽
43. 1 megabyte = 1024 kilobytes 💻
44. 1 gigabyte = 1024 megabytes 📱
45. 1 terabyte = 1024 gigabytes 🖥️
46. 1 petabyte = 1024 terabytes 🗄️
47. 1 nanometer = 1 billionth of a meter 🧬
48. 1 micrometer = 1 millionth of a meter 🔬
49. 1 millimeter = 0.001 meters 📏
50. 1 centimeter = 0.01 meters 📐
51. 1 decimeter = 0.1 meters 📚
52. 1 Newton = 1 kg·m/s² 🛠️
53. 1 Joule = 1 Newton meter ⚡
54. 1 Watt = 1 Joule/second 💡
55. 1 Pascal = 1 Newton/m² 🏗️
56. 1 Volt = 1 Joule/coulomb 🔋
57. 1 Ampere = 1 coulomb/second ⚡
58. 1 Ohm = 1 Volt/Ampere 🔌
59. 1 Hertz = 1 cycle/second 📶
60. 1 Tesla = 1 Weber/m² 🧲
61. 1 Decibel = 1/10 Bel 🔊
62. 1 Angstrom = 0.1 nanometers 🌌
63. 1 Kelvin = -273.15 °C 🌡️
64. 1 mole = 6.022 × 10²³ particles 🧪
65. 1 degree = π/180 radians 🔄
66. 1 radian = 57.2958 degrees 🎯
67. 1 revolution = 360 degrees 🎡
68. 1 lux = 1 lumen/m² 💡
69. 1 lumen = 1 candela steradian 🔦
70. 1 candela = luminous intensity of a light source 🕯️
71. 1 bar = 100,000 Pascals 🛠️
72. 1 Mach = speed of sound 🌬️
73. 1 knot = 1.15078 miles/hour 🌊
74. 1 nautical mile = 1.852 kilometers 🛳️
75. 1 square yard = 9 square feet 🏠
76. 1 acre = 43,560 square feet 🌾
77. 1 fathom = 6 feet 🌊
78. 1 fluid ounce (US) = 29.5735 milliliters 🍹
79. 1 fluid ounce (UK) = 28.4131 milliliters 🍺
80. 1 pint (US) = 473.176 milliliters 🍶
81. 1 pint (UK) = 568.261 milliliters 🍺
82. 1 quart (US) = 946.353 milliliters 🍶
83. 1 quart (UK) = 1.13652 liters 🍼
84. 1 bushel = 35.239 liters 🌾
85. 1 peck = 8.80977 liters 🌽
86. 1 cup (metric) = 250 milliliters 🥛
87. 1 pint = 2 cups 🥤
88. 1 gallon (UK) = 4.54609 liters 🥄
89. 1 calorie (food) = 1000 calories (scientific) 🍴
90. 1 electronvolt = 1.602 × 10⁻¹⁹
Joules ⚛️
91. 1 horsepower (metric) = 735.5 Watts 🚜
92. 1 barrel (oil) = 159 liters 🛢️
93. 1 ton (US) = 2000 pounds 🚚
94. 1 ton (UK) = 2240 pounds 🚢
95. 1 cord = 128 cubic feet of wood 🌲
96. 1 cubic meter = 1000 liters 📦
97. 1 kilonewton = 1000 Newtons 💪
98. 1 megaton = 1 million tons TNT 💥
99. 1 parsec = 3.086 × 10¹³ kilometers 🌠
100. 1 astronomical unit = 149.6 million kilometers 🪐