Scale Conversion Calculator

Scale Ratio :
Real Length
Scale Length
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This is an online scale length converter that calculates the actual length and the scale length according to the scale ratio. scale ratio could be set by yourself, supports different length units, including imperial units and metric units. With visual graphic and formula, it let us more easily understand the calculation process and the result.

How to use this scale converter

  1. Set the scale ratio according your need, eg 1:12, 1:32, 64:1
  2. Select the unit of real length and scale length
  3. Using different units will automatically convert the result
  4. Enter the number of real length, the scale length will be calculated automatically.
  5. Enter the number of scale length, the real length will be calculated automatically.

how to calculate scale conversion

To calculate the scale length, use real length divide the scale factor of it, then multiply the scale factor of scale length.
For example
Scale ratio 1:20
Real length : 100 cm
Scale length : 100 cm ÷ 20 × 1 = 5 cm = 50 mm

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