Math Playground
Activities

Personal Measures

Your own foot, hand-span, pace — measure the room your way.

Measure your hand-span, foot, cubit (elbow to fingertip), pace. Record them. Now measure your room in YOUR units.

Type a value, pick units
3.2808

1 cm = 0.0328 ft

Your personal toolkit

  • Hand-span — thumb tip to pinky tip, fingers stretched.
  • Foot — heel to toe.
  • Cubit — elbow to fingertip.
  • Pace — one comfortable step.

Your pace is roughly your height ÷ 2.4. Pacing across a room gives a quick distance estimate with no tools at all.

Your turn

Your pace is 0.75 m and you cross a room in 8 paces. Estimate the room's width.

Your personal toolkit

  • Hand-span — between thumb tip and pinky tip when stretched
  • Foot — heel to toe
  • Cubit — elbow to fingertip
  • Pace — one comfortable step

Your pace is roughly your height ÷ 2.4. Pacing across a room gives you a fast distance estimate without any tools.