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Sam Ellard

Sam Ellard

Founder & measurement editor

Sam runs RulerCue and measures the objects on it. Background in product packaging and print production, where a tenth of a millimetre decides whether a box folds shut, so every figure here is checked against a spec, a standard, or a steel ruler on the desk.

Experience & credentials

  • 10+ years in packaging and print specification
  • Measures each object in house with a dual-scale steel rule
  • Checks fixed sizes against the maker or standards body
MeasurementUnit conversionProduct dimensionsReference standards

Measurements by Sam

A hockey puck on its side, a US quarter and a domino on a steel ruler at the one inch mark
Inches

Things That Are 1 Inch Long: 18 Everyday Examples

One inch is 2.54 centimetres, or 25.4 millimetres. The clearest thing that is 1 inch long is the thickness of a hockey p…

18 objects·Verified 5 Sep 2026
A AA battery, a domino and a business card short side on a steel ruler at the five centimetre mark
Centimetres

Things That Are 5 cm Long: 18 Everyday Examples

Five centimetres is 50 millimetres, or 1.97 inches, which is just under two inches. The clearest thing that is 5 cm long…

18 objects·Verified 5 Sep 2026
A AA battery, a business card and two stacked hockey pucks on a steel ruler at the two inch mark
Inches

Things That Are 2 Inches Long: 18 Everyday Examples

Two inches is 5.08 centimetres, or 50.8 millimetres. The easiest thing that is 2 inches long is a standard AA battery, w…

18 objects·Verified 2 Sep 2026
A hockey puck, a sticky note and a baseball on a steel ruler at the three inch mark
Inches

Things That Are 3 Inches Long: 18 Everyday Examples

Three inches is 7.62 centimetres, or 76.2 millimetres. The clearest thing that is 3 inches long is a hockey puck, which …

18 objects·Verified 5 Sep 2026
A 4 by 6 photo, two AA batteries end to end and an adult palm on a steel ruler at the ten centimetre mark
Centimetres

Things That Are 10 cm Long: 18 Everyday Examples

Ten centimetres is 100 millimetres, or 3.94 inches, which is a tenth of a metre. The clearest thing that is 10 cm long i…

18 objects·Verified 5 Sep 2026
A block of butter, a box of pasta and a bag of coffee on a kitchen scale reading one pound
Weight

What Weighs 1 Pound? 18 Everyday Examples

One pound is 16 ounces, or 454 grams, which is 0.45 kilograms. The clearest thing that weighs 1 pound is a block of butt…

18 objects·Verified 5 Sep 2026
A bathtub, a hockey stick and an office desk beside a person of about five feet for scale
Feet

Things That Are 5 Feet Tall or Long: 18 Everyday Examples

Five feet is 60 inches, or 152 centimetres, which is 1.52 metres. The clearest thing that is 5 feet long is a standard b…

18 objects·Verified 5 Sep 2026
A bag of flour, a ream of paper and a 5 pound dumbbell on a scale reading five pounds
Weight

What Weighs 5 Pounds? 18 Everyday Examples

Five pounds is 80 ounces, or 2.27 kilograms, which is about 2,268 grams. The clearest thing that weighs 5 pounds is a st…

18 objects·Verified 5 Sep 2026
A basketball hoop, a 10 foot moving truck and a 10 foot kayak shown for scale
Feet

Things That Are 10 Feet Long or Tall: 18 Everyday Examples

Ten feet is 120 inches, or 305 centimetres, which is 3.05 metres. The clearest thing that is 10 feet high is a basketbal…

18 objects·Verified 5 Sep 2026