
FrameFish
Stud, Header & Lumber Calc
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Free
In-App Purchases
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About
FrameFish is the framing calculator for people who would rather be building. Lay out a wall, size the header over a window, and walk into the lumber yard with one clean list.
Eight calculators:
WALL LAYOUT: every stud placed and counted, with a picture of your wall and every layout mark.
HEADER BUILDER: what holds the wall up over doors and windows, sized by a simple rule of thumb, with a clear stop when a span needs an engineer.
LUMBER ORDER: enter your walls once, outside walls and inside partitions in their own lists, and FrameFish totals the whole project into one buy list, plates, studs and headers included.
SQUARE CHECK: the diagonal that proves your wall is square, plus the 3-4-5 trick.
SHEATHING: sheets per wall, each wall counted with its own openings.
DRYWALL: sheets, screws, mud and tape, with partitions counted on both sides automatically.
INSULATION: batt pieces counted by stud bay, plus the square feet for rolls.
VAPOR BARRIER: 6 mil poly rolls, overlaps included, any roll size.
Every answer says what to CUT and what to BUY in plain words. Save projects, print one page lists for the yard, and work in feet and inches the way the tape measure reads.
Free to try: every calculator is open for 3 days from your first job. After that, one one-time purchase unlocks everything forever. No account, no subscription, no data collected.
Estimator, not an engineered design. Check local code before you build.
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What's New in FrameFish
1.0
October 23, 2026
1
Subscriptions & In-App Purchases
$12.99
FrameFish Pro
Unlock all 8 calculators forever. One-time payment.








