Tools & Calculators
Practical tools and calculators to assist with your practice, from size conversions to progress tracking.
Size Converter
Convert between French (Fr), millimeter, and inch measurements for accurate tool selection.
Interactive calculator coming soon
Progress Tracker
Track your journey with our digital progress tracker. Monitor sizes, dates, and notes.
Tracker tool coming soon
Session Timer
Keep track of session duration with customizable alerts for safe practice timing.
Timer tool coming soon
Lubricant Calculator
Calculate optimal lubricant amounts based on session duration and tool size.
Calculator coming soon
Quick Reference Charts
Size Conversion Table
| French (Fr) | Diameter (mm) | Diameter (inches) | Circumference (mm) |
|---|---|---|---|
| 6 Fr | 2.0 mm | 0.079" | 6.3 mm |
| 8 Fr | 2.7 mm | 0.106" | 8.5 mm |
| 10 Fr | 3.3 mm | 0.131" | 10.4 mm |
| 12 Fr | 4.0 mm | 0.158" | 12.6 mm |
| 14 Fr | 4.7 mm | 0.184" | 14.8 mm |
| 16 Fr | 5.3 mm | 0.210" | 16.7 mm |
Session Guidelines
- Beginner session duration:10-15 minutes
- Minimum rest between sessions:48-72 hours
- Size progression increment:1-2 Fr
- Tool temperature:Body temperature (98°F/37°C)