Report updated Apr 27, 2026
Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions
For engineers, tradespeople, fabricators, and students who require quick, on-the-job drill bit size conversions.
Overview · Full Intel report in progress
Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions is an established reference app that is a paid app. With a 4.5/5 rating from 21 reviews, it shows polarized user reception.
What is Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions?
Current Momentum
v2.0
This app has been updated by Apple to display the Apple Watch app icon. • Updated for iOS 9 - our apologies for those users who couldn't use the app on iOS 9 until now. • Added Fractional Inch sizes up to 7 inches. • Added Metric sizes up to 180mm. • Added a table to show Fractional Inch sizes reduced down to X/64 and X/32. • UI updated for iPhone 5, iPhone 6, and iPhone 6 Plus. • Search function: since the tables are longer now, we added a search bar at the top of all tables (scroll up to access it). • Universal app - download it on your iPhone & iPad • New home screen layout and info section in Settings.
What makes this app unique?
What Does It Look Like?
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What Are The Key Features?
Includes dedicated charts for US Number/Letter gauges, Fractional-Inch, and Metric sizes.
Provides a unified view of all drill types to facilitate easy size comparisons.
Allows users to quickly locate specific drill sizes by revealing a search bar within the tables.
Supports all iOS device orientations and is a universal app for iPhone, iPod Touch, and iPad.
How much does it cost?
Who Built It?
Chewy Applications
Providing specialized native iOS reference tools and utilities for technical trades and Australian financial compliance.
Portfolio
6
Apps
What other apps does Chewy Applications make?
Drill and Tap Tool - Thread Tapping & Through Hole
SpeedGlow Speedometer - Gesture Controlled Speedo
Wire Gauge Charts - Size tables for AWG, SWG, BWG
Australia GST - Tax Calculator
GST NZ Calculator
Explore the full Chewy Applications report
Portfolio breakdown, audience, momentum, and every app published by Chewy Applications.
Analysis in progress, available soon
What do users think recently?
Analysis in progress, available soon
View the full user-sentiment analysis
Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.
Analysis in progress, available soon
What is the competitive landscape for Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions?
How's The Reference Market?
How does it evolve in the Reference market?
Rank progression
9 active rankings tracked — 30-day window
Strategic analysis coming soon
SWOT, key takeaways & outlook
The outtake for Drill Size Charts - Drill bit size tables to show US Number / Letter and Fraction Inch sizes in Decimal Inch and Metric Conversions
Key Takeaways
This is a straightforward, low-cost reference tool designed to eliminate manual measurement and conversion errors for professionals working with drill bits.
Where Is It Heading?
Trend analysis
Available very soon