front 1 1 kilometer (km) | back 1 = 1,000 (10³) meters |
front 2 1 meter (m) | back 2 = 100 (10²) centimeters |
front 3 1 centimeter (cm) | back 3 = 0.01 (10⁻²) meter |
front 4 1 millimeter (mm) | back 4 = 0.001 (10⁻³) meter |
front 5 1 micrometer (μm) | back 5 = 10⁻⁶ meter (10⁻³ mm) |
front 6 1 nanometer (nm) | back 6 = 10⁻⁹ meter (10⁻³ μm) |
front 7 1 angstrom (Å) | back 7 = 10⁻¹⁰ meter (10⁻⁴ μm) |
front 8 1 hectare (ha) | back 8 = 10,000 square meters |
front 9 1 square meter (m²) | back 9 = 10,000 square centimeters |
front 10 1 square centimeter (cm²) | back 10 = 100 square millimeters |
front 11 1 metric ton (t) | back 11 = 1,000 kilograms |
front 12 1 kilogram (kg) | back 12 = 1,000 grams |
front 13 1 gram (g) | back 13 = 1,000 milligrams |
front 14 1 milligram (mg) | back 14 = 10⁻³ gram |
front 15 1 microgram (μg) | back 15 = 10⁻⁶ gram |
front 16 1 cubic meter (m³) | back 16 = 1,000,000 cubic centimeters |
front 17 1 cubic centimeter (cm³ or cc) | back 17 = 10⁻⁶ cubic meter |
front 18 1 cubic millimeter (mm³) | back 18 = 10⁻⁹ cubic meter |
front 19 1 kiloliter (kL or kl) | back 19 = 1,000 liters |
front 20 1 liter (L or l) | back 20 = 1,000 milliliters |
front 21 1 milliliter (mL or ml) | back 21 = 10⁻³ liter |
front 22 1 microliter (μL or μl) | back 22 =10⁻⁶ liter (10⁻³ milliliters) |
front 23 1 second (s or sec) | back 23 = 1/60 minute |
front 24 1 millisecond (ms or msec) | back 24 = 10⁻³ second |