Plan Smart. Cut Perfect.
Waste Nothing.
Kerfwise turns your sheet dimensions and cut list into the most efficient cutting layout in seconds. Seven workshop calculators, project management, and a full business suite — all offline, all in one app.
Everything You Need in the Workshop
From cut list to client invoice — Kerfwise is your complete woodworking productivity toolkit.
AI-Grade Optimizer
Guillotine and MaxRects algorithms pack your parts onto sheets with the highest possible material efficiency — saving money on every job.
7 Built-In Calculators
Board feet, fractions, miter angles, wood movement, stair stringers, lumber cost, and unit conversion — the full workshop toolkit in your pocket.
One Payment. Forever.
Kerfwise Pro is $4.99 — once. No subscriptions, no monthly fees. Unlock every professional tool permanently and remove all ads.
100% Offline First
Every calculation, optimization, and project is stored on your device. No login required. Your data never leaves your phone.
The Optimizer That Pays for Itself
Enter your stock sheet dimensions and required cut parts. Kerfwise runs a multi-pass optimization using both Guillotine and MaxRects algorithms, then picks the most efficient layout automatically.
Add Stock Sheets
Enter your available plywood, MDF, or solid lumber dimensions and quantities.
Enter Cut Parts
List every part you need: label, length × width, quantity, grain direction, and edge banding.
Run & Export
Tap OPTIMIZE. View a 2D color-coded layout per sheet. Export to PDF, CSV, or DXF in one tap.
★ Pro: Multi-Pass Optimization — Kerfwise Pro runs 3 algorithm variants in parallel and automatically picks the layout with the highest efficiency score.
97% Material Efficiency
MaxRects algorithm
7 Workshop Calculators — Always at Your Fingertips
3 calculators free. Unlock all 7 with a one-time Pro upgrade.
Free Calculators
Board Foot Calculator
Enter thickness × width × length + quantity to get total board feet and material cost instantly.
Fraction Calculator
Add, subtract, multiply, and divide imperial fractions (e.g. 3-1/2″ + 1-1/4″). Includes kerf subtraction mode.
Unit Converter
Convert between mm, cm, inches, feet, and workshop-relevant area and volume units instantly.
Pro Calculators
Wood Movement Calculator
Predict seasonal expansion and contraction for 20+ wood species including Oak, Walnut, Maple, Cherry, Teak, and more. Enter width + moisture change → expansion in mm or inches.
Miter Angle Calculator
Calculate compound miter and bevel angles for any frame. Supports polygon frames from 3 to 8 sides.
Stair Stringer Calculator
Plan stair risers, treads, and stringer dimensions. Enter total rise and tread depth to get full stringer geometry.
Lumber Cost & Volume Estimator
Build a multi-board lumber list with quantities and prices. Get a running total cost estimate for your entire project.
Kerfwise Pro — The Complete Professional Toolkit
One payment unlocks everything, forever.
See Kerfwise in Action
A tool-grade design built for the workshop floor.
Dashboard — Projects, stats & quick start
Simple Pricing. No Surprises.
Start free. Upgrade once. Own Kerfwise Pro forever.
Free
Core woodworking tools, no credit card
$0
Pro
Complete professional toolkit
$4.99
one-time
Purchases managed securely by Google Play. Restore anytime on any device.
Frequently Asked Questions
Everything you need to know about Kerfwise.
Get in Touch
Questions, feature requests, or Pro purchase issues? We respond within 24 hours.