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Calcimator

Belt Sizing Calculator

Calculate leather belt strap length and hole positions from waist measurement, buckle type, and desired hole count and spacing.

Inputs

in
in

Results

Total Strap Length

44.5 in

≈ 8 smartphones

Center Hole Position

36 in

≈ 6 smartphones

First Hole Position34 in
Last Hole Position38 in
Buckle Allowance2 in
How to Use This Calculator
  1. Measure your waist circumference in inches at the position you wear the belt.
  2. Enter the buckle type width in inches to set the belt width.
  3. Review the belt blank length including tip allowance and taper length.
  4. Add 2-3 inches to the finished belt length for cutting and adjustability.
  5. Punch holes at 1-inch intervals starting at the recommended center hole position.

How the result changes with Waist Measurement

Waist MeasurementTotal Strap LengthCenter Hole Position
2434.5 in26 in
3444.5 in36 in
4656.5 in48 in
5666.5 in58 in

What each input means

Waist Measurement
Measure where you wear the belt, over your pants
Buckle Type
1 = Frame buckle (+2 in), 2 = Plate/plaque (+1.5 in), 3 = Snap (+1 in)
Number of Holes
Standard is 5 holes; center hole is your waist size
Hole Spacing
Distance between holes (1 inch is standard)

How this is calculated

Worked example, using the default values

  1. Identify Input Parameters
    4 parameters
    Waist Measurement = 34, Buckle Type = 1, Number of Holes = 5, Hole Spacing = 1 = 4 input(s) provided
  2. Calculate Total Strap Length
    Total Strap Length
    44.5 = 44.5
  3. Calculate Center Hole Position
    Center Hole Position
    36 = 36
  4. Calculate First Hole Position
    First Hole Position = Math
    34 = 34
  5. Calculate Last Hole Position
    Last Hole Position
    38 = 38

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