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Calcimator

Nail Extension Length Calculator

Determine tip sizes, product usage, and breakage risk based on natural nail measurements and desired extension length.

Inputs

Results

Extension length (mm)

13

Estimated tip size (#)6
Product per nail (mL)0.65
Product for full set (mL)7.2
Breakage risk score13/100
Fill interval (weeks)2.6
Total nail area (mm²)325
Extension area (mm²)182
How to Use This Calculator
  1. Measure and enter nail bed width (mm) and nail bed length (mm) for the client.
  2. Enter the desired total nail length (mm) from cuticle to tip.
  3. Select nail shape (square, round, oval, almond, coffin, or stiletto) and application method.
  4. Read the extension length (mm) beyond the natural nail and the estimated tip size.
  5. Review the breakage risk score (/100) and recommended fill interval (weeks) for the chosen length and shape.
  6. Use product per nail (mL) and product for full set (mL) to estimate material costs.
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