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Tool Directory

All Tools

Every Vriksai calculator in one place — 60 free professional tools across 7 categories. Pick a category below.

Wood Selection & Material Science

For researchers choosing and understanding timber — 8 tools

Thermowood & Modified Wood

Modified timber performance, cost and service life — 4 tools

Thermowood Mass Loss Calculator

Mass loss and class from treatment intensity

Durability Classifier

EN 350 natural durability rating

Decking Gap Calculator

Board rows, count and gap by moisture

Cladding Coverage Calculator

Effective cover for shiplap, T&G and more

Timber Measurement & Forestry

Log rules and volume for traders and importers — 10 tools

Doyle Log Rule

Board-foot volume by the Doyle scale

Scribner Log Rule

Board-foot volume by the Scribner scale

International Log Rule

Board-foot volume by the International 1/4-inch rule

Hoppus Calculator

Round-log volume by the Hoppus system

Smalian Formula

Log volume from end diameters and length

Huber Formula

Log volume from mid diameter and length

Log Taper Calculator

Taper rate along a log

Bark Deduction Tool

Net wood volume after bark allowance

Sawdust Waste Estimator

Kerf and sawdust loss in milling

Standing Tree Volume

Estimate volume of a standing tree

Manufacturing & Production

For factories and production teams — 10 tools

Panel Optimizer

Best cut layout to minimise waste

Kerf Loss Calculator

Material lost to saw kerf

Veneer Layup Tool

Plan balanced veneer construction

CNC Feed Calculator

Feed and speed for router bits

Edge Band Calculator

Edge banding length and cost

Veneer Matching Tool

Book, slip and other match patterns

Bending Radius Calculator

Minimum safe bend radius

MDF Weight Calculator

Sheet weight by thickness and size

Hardware Position Tool

Hinge and handle placement

Nesting Efficiency Calculator

Sheet utilisation for nested parts

Joinery & Furniture Engineering

For furniture makers and cabinetmakers — 10 tools

Sag & Deflection Calculator

Shelf and beam deflection under load

Golden Ratio Designer

Harmonious furniture proportions with phi

Expansion Gap Calculator

Wood movement gaps for panels and tops

Screw Strength Calculator

Withdrawal and shear capacity by screw

Dovetail Generator

Pin and tail layout for any board

Box Joint Calculator

Even finger-joint spacing

Mortise & Tenon Calculator

Proportioned mortise and tenon sizing

Ring Segment Calculator

Segments for stave and ring builds

Compound Miter Solver

Angles for compound mitre joints

Drawer Reveal Calculator

Even gaps around drawer fronts

Construction & Installation

For architects, builders and contractors — 8 tools

Flooring Coverage Calculator

Planks, packs and cost for any room

Floor Span Calculator

Joist sizing with pass/fail check

Stair Geometry Tool

Risers, going, pitch and Blondel check

Glue Consumption Tool

Adhesive needed by area and joint

Sanding Sequence Planner

Grit-by-grit sanding progression

Wind Load Calculator

Design pressure and force on a surface

Timber Post Calculator

Post sizing for compression and buckling

Coating Drying Calculator

Touch, recoat and cure times

Import & Commercial

Where BFP has the edge - for importers and traders — 10 tools

Volume Converter

m3, CFT, board feet, Hoppus and more

Pricing Converter

Price per unit across all volume units

Yield Estimator

Recovery and effective cost from log to product

NHLA Calculator

Hardwood grade from surface measure and yield

Container Optimizer

Packages per container by weight and volume

Janka Database Tool

Hardness for 60+ species, lbf and Newtons

Sealer Cost Calculator

Sealer litres, packs and cost

Waste Margin Calculator

Gross input needed for a finished quantity

Freight Weight Checker

Actual vs volumetric chargeable weight

Import Cost Calculator

Full landed cost with Indian duty structure