Made for Real Work
Built by someone who actually uses the measurements and knows where the trouble spots are.
Calculators and Converters for Builders, Makers, and Fixers.
This site is for the moment when a simple job turns into three measurements, two conversions, and one more check just to make sure the first number was right. The tools here are built to save time, reduce avoidable mistakes, and explain what the answer actually means.
Construction
Framing, layout, concrete, square footage, paint, and job site math.
Measurement
Fractions, decimals, metric, imperial, feet, inches, and comparisons.
Geometry and Layout
Spacing, centers, scale drawings, triangles, circles, and bolt circles.
Woodworking
Board feet, saw kerf, lumber weight, and practical layout thinking.
Mechanical
Bearings, pulleys, gear ratios, and machine side math.
Electrical
Ohm’s law, speaker loads, LED resistors, and practical circuit checks.
Materials and Quantities
Material weight, epoxy volume, and the quantities that make jobs go smoother.
Finishing
Mixing ratios, coatings, and finishing math that keeps waste down.
Think you're smarter than Sage?
Take a break and challenge Sage to a battle of the wits. Pick Average Nerd or Sage-Level Brilliance trivia, answer ten in a row, and see if you can knock her down a peg.
Play Battle of the Wits
Play me, if you're not scared
Sage also plays chess. Take a break from the numbers and see if you can outmaneuver her on the board instead.
Play Sage Chess
Pull up a chair at Sage's Table
Free online blackjack against Sage. Classic Twenty-One rules, blackjack pays 3 to 2, and it costs you nothing but pride if you bust.
Play Sage's Table Blackjack
Think you can out-tile Sage?
Free online dominoes at Sage's table. Classic double-six draw rules, first to 100 points wins the match.
Play Sage's Domino Duel
Need a quieter kind of game?
Free Klondike, Spider, and FreeCell solitaire, all in one place. Pick your card back, felt, and music.
Play Sage Solitaire
Sage broke the calculator. Again.
Free math puzzle game. Some keys are broken, so reach the target using only the ones that work, then try to beat par.
Play Sage Broke the Calculator
Fancy a number puzzle?
Free Sudoku with five difficulty levels, daily puzzles, hints, and notes. Or try the no-mistakes Sage Challenge.
Play Sage Sudoku
Need a quiet minute?
Free online jigsaw puzzles with 16 scenes and five piece counts from 50 to 250. Drag, drop, and relax.
Play Sage's Piece & Quiet
Feeling lucky?
Free online American double-zero roulette. Place your bets and spin the wheel with Sage. Starts with 1,000 Gold.
Play Sage's Roulette
Think you can bluff Sage?
Free online five-card draw poker against Sheriff Sage. Win all her gold and become the new sheriff.
Play Sage's Saloon PokerNo Fluff
Straight answers, working math, and clear wording, without a sales pitch clogging every inch.
Always Growing
New tools and charts can keep being added without changing how the site feels.
Sage’s Got You
When a result needs context, you will see what to watch, what to double check, and what the tool cannot know.