Use your site units.
All three accept millimetres and inches, including inch fractions. Post Spacing also accepts centimetres and metres.
GRAND CALCULATE · ONLINE TOOLS
Calculators for
site and workshop.
Set out post centres, space railing spindles or plan cuts from stock. Choose a tool and enter your measurements. No sign-in is needed.
Choose a calculator
FREE CALCULATOR
Railing & baluster spacing calculator
Find the minimum spindle count and the equal clear space between spindles and at both ends.
FREE CALCULATORFence & railing post spacing calculator
Set offsets to your end posts, choose a spacing limit and get every centre mark from either end.
FREE CALCULATORLinear cut list calculator
Build a cut list for each material. See the bars required, repeated cutting patterns, saw loss and offcuts.
Keep the measurements.
Switch units without starting over. Calculations use the entered lengths before rounding the results.
Take a report to site.
Use the app with GrandVerify Pro to share or print a job sheet. Website results are free to view.
TAKE GRANDVERIFY TO WORK
Your next job.
Start here.
For iPhone, iPad and Android. Start with drawings, site checks and calculators. Add Pro when you need reports and sharing.
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