Tebami is a practical measurement toolbox for woodworkers, carpenters, contractors, machinists, fabricators and DIYers. Calculate feet and inches, convert fractions and decimals, estimate materials and work out layouts, all in one app.

Work in metric, imperial, feet and inches, decimals or fractions, and see how each result was calculated when you want to check the math. It's handy for turning tape measure readings into decimals and back again.

Free and Pro
• Free: 25 calculators with unlimited use
• Pro: unlock all 60 calculators with a one-time purchase, with future calculator additions included
• No subscription, no ads, no account, no daily limits

Measurement and Conversion
• Feet and inches calculator
• Fraction and decimal conversions
• Millimetres, inches and metric conversions
• Length, area, volume, weight, force and temperature
• Add and subtract measurements
• Measurement differences and running totals
• Scale, midpoint, ratios and percentages

Materials and Construction
• Flooring, tile, drywall and sheet material quantity
• Board feet and linear feet required
• Concrete, soil, mulch and gravel volume
• Steel plate and material weight
• Stud and fastener quantity
• Material waste allowance

Shop and Fabrication
• Tap drill size
• Metric, UNC and UNF thread references
• Bolt circle and hole layout
• Equal spacing
• Circle, arc and diagonal calculations
• Mixed metric and imperial dimensions

Layout and Geometry
• Rectangle, circle, triangle and trapezoid area
• Room, wall and L-shaped area
• Box and cylinder dimensions
• Slope and grade percentage
• Rise and run, including stair rise and run
• Rafter length and roof pitch
• 3-4-5 square layout

Built for Real Jobs
Many tools accept explicit units directly, so you can combine dimensions that use different units. Search the calculator library, save your most-used tools to Favorites, reorder them, and jump back to Recent calculations.

Your calculation History, Favorites, Recent tools and preferences stay on your device. Ordinary calculations work offline.

Whether you're framing a wall, cutting sheet goods, laying tile, pouring a slab or setting up a part in the shop, Tebami gives you a fast answer and enough detail to understand how it was calculated.