Conversions happen when you change something from one type to another—like inches to centimeters or pounds to kilograms. This guide shows you simple conversion rules and examples for common units in length, weight, and time.
Length Conversions
Length conversions let you change between different units that measure distance or size, like inches, centimeters, feet, and meters.
Common Length Conversion Rules
| Rule | Meaning |
|---|---|
| inch = 2.54 cm | One inch equals 2.54 centimeters |
| foot = 12 inches | One foot equals 12 inches |
| meter = 100 cm | One meter equals 100 centimeters |
| yard = 3 feet | One yard equals 3 feet |
| km = 1000 m | One kilometer equals 1000 meters |
Length Conversion Examples
| Conversion Word Sentence | Conversion Calculation Sentence | Foreign Language Example | English Example |
|---|---|---|---|
| There are 2.54 centimeters in an inch. | inch × 2.54 = 2.54 cm | On inch (1 inch) mensi 2.54 sentimita hotey. (Bengali) | One inch equals 2.54 centimeters. |
| One foot equals twelve inches. | foot = 12 inches | Ek pāō (1 foot) barabar 12 inch. (Hindi) | One foot equals twelve inches. |
| A meter has one hundred centimeters. | m = 100 cm | Un mètre (1 meter) a cent centimètres. (French) | One meter has one hundred centimeters. |
| There are three feet in a yard. | yard = 3 ft | Yardaḥ (1 yard) meṁ 3 pāō hote hain. (Hindi) | There are three feet in a yard. |
| One kilometer is one thousand meters. | km = 1000 m | Ein Kilometer (1 km) sind tausend Meter. (German) | One kilometer is one thousand meters. |
| Twelve inches make one foot. | in = 1 ft | Doce pulgadas (12 inches) hacen un pie. (Spanish) | Twelve inches make one foot. |
| One yard equals thirty-six inches. | yd = 36 in | Une verge (1 yard) équivaut à 36 pouces. (French) | One yard equals thirty-six inches. |
| Two meters equal 200 centimeters. | m × 100 = 200 cm | Deux mètres (2 m) font deux cents centimètres. (French) | Two meters equal two hundred centimeters. |
| Five kilometers equal five thousand meters. | km × 1000 = 5000 m | Fünf Kilometer (5 km) sind fünftausend Meter. (German) | Five kilometers equal five thousand meters. |
| Thirty centimeters equal about eleven point eight inches. | cm ÷ 2.54 ≈ 11.8 in | Treinta centímetros (30 cm) son aproximadamente once punto ocho pulgadas. (Spanish) | Thirty centimeters equal about eleven point eight inches. |
Weight Conversions
Weight conversions help you switch between units like grams, kilograms, pounds, and ounces.
Common Weight Conversion Rules
| Rule | Meaning |
|---|---|
| kg = 1000 g | One kilogram equals 1000 grams |
| lb = 16 oz | One pound equals 16 ounces |
| kg ≈ 2.2046 lb | One kilogram is about 2.2 pounds |
| oz ≈ 28.35 g | One ounce is about 28.35 grams |
Weight Conversion Examples
| Conversion Word Sentence | Conversion Calculation Sentence | Foreign Language Example | English Example |
|---|---|---|---|
| One kilogram equals one thousand grams. | kg = 1000 g | Ek kilogram (1 kg) barabar 1000 gram. (Hindi) | One kilogram equals one thousand grams. |
| A pound has sixteen ounces. | lb = 16 oz | Un libra (1 lb) tiene dieciséis onzas. (Spanish) | A pound has sixteen ounces. |
| Two kilograms weigh about four point four pounds. | kg × 2.2046 ≈ 4.41 lb | Zwei Kilogramm (2 kg) wiegen etwa 4,4 Pfund. (German) | Two kilograms weigh about four point four pounds. |
| Ten ounces are about two hundred eighty grams. | oz × 28.35 = 283.5 g | Dix onces (10 oz) valent environ 283 grammes. (French) | Ten ounces are about two hundred eighty grams. |
| Five hundred grams equal half a kilogram. | g = 0.5 kg | Quinientos gramos (500 g) son medio kilogramo. (Spanish) | Five hundred grams equal half a kilogram. |
| One pound is approximately four hundred fifty-four grams. | lb ≈ 454 g | Un livre (1 lb) pèse environ 454 grammes. (French) | One pound is approximately four hundred fifty-four grams. |
| Twenty ounces equal one point two seven kilograms. | oz × 28.35 = 567 g | Vingt onces (20 oz) égalent 567 grammes. (French) | Twenty ounces equal five hundred sixty-seven grams. |
| Three kilograms are about six point six pounds. | kg × 2.2046 ≈ 6.61 lb | Trois kilogrammes (3 kg) font environ 6,6 livres. (French) | Three kilograms are about six point six pounds. |
| Fifteen hundred grams equal one point five kilograms. | g = 1.5 kg | Mille cinq cents grammes (1500 g) valent un kilo et demi. (French) | Fifteen hundred grams equal one point five kilograms. |
| One ounce is about twenty-eight point three grams. | oz ≈ 28.3 g | Una onza (1 oz) es aproximadamente 28,3 gramos. (Spanish) | One ounce is about twenty-eight point three grams. |
Time Conversions
Time conversions allow you to change between units like seconds, minutes, hours, and days.
Common Time Conversion Rules
| Rule | Meaning |
|---|---|
| minute = 60 seconds | One minute equals sixty seconds |
| hour = 60 minutes | One hour equals sixty minutes |
| day = 24 hours | One day equals twenty-four hours |
| week = 7 days | One week equals seven days |
Time Conversion Examples
| Conversion Word Sentence | Conversion Calculation Sentence | Foreign Language Example | English Example |
|---|---|---|---|
| One minute has sixty seconds. | min = 60 sec | Une minute (1 min) a soixante secondes. (French) | One minute has sixty seconds. |
| An hour contains sixty minutes. | hr = 60 min | Una hora (1 hr) tiene sesenta minutos. (Spanish) | An hour contains sixty minutes. |
| A day has twenty-four hours. | day = 24 hr | Ein Tag (1 Tag) hat vierundzwanzig Stunden. (German) | A day has twenty-four hours. |
| One week equals seven days. | week = 7 days | Une semaine (1 semaine) dure sept jours. (French) | One week equals seven days. |
| Three hours equal one hundred eighty minutes. | hr × 60 = 180 min | Drei Stunden (3 hr) sind einhundertachtzig Minuten. (German) | Three hours equal one hundred eighty minutes. |
| Forty-five minutes equal two thousand seven hundred seconds. | min × 60 = 2700 sec | Quarante-cinq minutes (45 min) font deux mille sept cents secondes. (French) | Forty-five minutes equal two thousand seven hundred seconds. |
| Two days equal forty-eight hours. | days × 24 = 48 hr | Zwei Tage (2 Tage) sind achtundvierzig Stunden. (German) | Two days equal forty-eight hours. |
| One hundred twenty seconds equal two minutes. | sec ÷ 60 = 2 min | Einhundertzwanzig Sekunden (120 sec) sind zwei Minuten. (German) | One hundred twenty seconds equal two minutes. |
| Five weeks equal thirty-five days. | weeks × 7 = 35 days | Cinq semaines (5 semaines) font trente-cinq jours. (French) | Five weeks equal thirty-five days. |
| Six hours equal three hundred sixty minutes. | hr × 60 = 360 min | Sechs Stunden (6 hr) sind dreihundertsechzig Minuten. (German) | Six hours equal three hundred sixty minutes. |
Summary
Conversions are all about changing from one unit to another using fixed rules. Here are some key points:
- Length: Inches, feet, yards, centimeters, meters, kilometers
- Weight: Grams, kilograms, pounds, ounces
- Time: Seconds, minutes, hours, days, weeks
- Use multiplication or division with the conversion numbers to change units.
- Write full-number examples for clarity (e.g., 1 inch = 2.54 cm).
With these rules and examples, you can read and write simple conversion sentences in English.
Flashcards (1 of 30)
- Conversion Word Sentence: There are 2.54 centimeters in an inch.
- Conversion Calculation Sentence: 1 inch × 2.54 = 2.54 cm
- Foreign Language Example: On inch (1 inch) mensi 2.54 sentimita hotey. (Bengali)
- English Example: One inch equals 2.54 centimeters.
Last updated: Wed Jun 18, 2025
