Metric conversions
| From | To | Factor |
|---|---|---|
| 1 kilogram (kg) | grams (g) | 1,000 g |
| 1 gram (g) | milligrams (mg) | 1,000 mg |
| 1 milligram (mg) | micrograms (mcg) | 1,000 mcg |
| 1 liter (L) | milliliters (mL) | 1,000 mL |
| 1 mL | cubic centimeter | 1 cc (write mL, not cc) |
Household and US measures
| Household | Metric | Note |
|---|---|---|
| 1 teaspoon (tsp) | 5 mL | |
| 1 tablespoon (tbsp) | 15 mL | 3 tsp |
| 1 fluid ounce (fl oz) | 30 mL | exact value 29.57 mL |
| 1 cup | 240 mL | 8 fl oz |
| 1 pound (lb) | 0.45 kg | 1 kg = 2.2 lb |
| 1 inch (in) | 2.54 cm |
Temperature
| Conversion | Formula | Example |
|---|---|---|
| °F to °C | (°F − 32) × 5 ÷ 9 | 101.3 °F = 38.5 °C |
| °C to °F | °C × 9 ÷ 5 + 32 | 38.5 °C = 101.3 °F |
Common temperature landmarks
| °C | °F | |
|---|---|---|
| 36.1 – 37.2 | 97 – 99 | usual adult oral range |
| 37 | 98.6 | average oral temperature |
| 38 | 100.4 | common fever threshold |
| 39 | 102.2 | |
| 40 | 104 |
Frequently asked questions
How many mg are in a gram?
1,000 mg.
How many mL are in a teaspoon?
5 mL.
Is 100.4 °F a fever?
100.4 °F (38 °C) is the most common fever threshold, but the definition depends on the age, the route and your facility's policy.