Unit conversion chart

12 formulas · what each one means · a free lesson for each

steplyclass.com/formula-sheets/unit-conversions/ · free, step-by-step lessons for every formula

Length

US units

1 ft = 12 in 1 yd = 3 ft 1 mi = 5280 ft

Metric units

1 cm = 10 mm 1 m = 100 cm 1 km = 1000 m

US ↔ metric

1 in = 2.54 cm 1 mi ≈ 1.61 km 1 m ≈ 3.28 ft

How to convert

5 ft × 12 in1 ft = 60 in

Multiply by a unit fraction: the unit you want on top.Lesson: Converting units →

Area units

1 ft² = 144 in² 1 m² = 10,000 cm²

Square the length link: 1 m = 100 cm, so 1 m² = 100² cm².Lesson: Converting area units →

Volume units

1 m³ = 1,000,000 cm³ 1 L = 1000 cm³

Liquid (US)

1 cup = 8 fl oz 1 qt = 4 cups 1 gal = 4 qt

US ↔ metric

1 gal ≈ 3.79 L 1 L ≈ 1.06 qt

Mass

1 lb = 16 oz 1 kg = 1000 g 1 kg ≈ 2.2 lb

Time

1 min = 60 s 1 h = 60 min = 3600 s 1 day = 24 h

Temperature

F = 95C + 32 C = 59(F − 32)

Speed

1 kmh = 1000 m3600 s ≈ 0.278 ms

Change the top and the bottom units one at a time.Lesson: Converting units →