Free Online Feet-Inch and Metric Calculator
A free feet and inches calculator supports fractional inch precision, adjustable rounding, and a built-in calculation history log — no install required.
Tools
Free calculators and printable tools for architects, plus the quick-reference tables we use most.
Tools
Reference tables
CAD Scale Factors
Architectural CAD Scale Factors for use in Computer Aided Design.
Metric / Imperial Conversions
The difference between soft and hard conversions, plus soft conversions are provided for changing between metric and imperial.
Imperial Equivalents
Various imperial equivalents for distance, area, and volume so that you can compare various scales of measurement.
Metric Equivalents
Various metric equivalents are discussed for distance, area, and volume so that you can compare different scales of measurement.
Calculating Slope and Common Slopes in Architecture
Formulas for calculating the slope of lines or surfaces, plus tables of common slopes used in architecture.
Standard Paper Sizes
Standard paper size tables in inches and millimeters. Covered are common North American sizes, ARCH, ANSI, and international ISO A Series.
From the Archtoolbox Store
Develop your next fee with confidence
The Archtoolbox Guide and Templates for Developing a Fee for Architectural Services.