● FREE BETTING CALCULATORS · NO PICKS · NO GURUS

Free Betting Calculators: Parlay, Kelly, EV

Free betting calculators and live odds tools: arbitrage, middles, positive EV, cover probability, teasers, devig, Kelly, parlay, hedging, bonus bet conversion and bankroll math for NFL, NBA, MLB and NHL.

No picks. No gurus. No "trust me." The math itself, on the house — the same stack the field rents for $99 a month, free here, forever.

ARBS LIVEMIDDLES LIVE+EV LIVEBOOKS 9+SIGNUP NOT REQUIREDADS ZERO
🏟️THE PLAY SHEETWHAT'S IN FRONT OF YOU RIGHT NOW
💸"Two books, two prices."
LOCK THE GAP → 🏈"Is −3.5 a bet?"
GRADE IT → 🧀"Should I tease it?"
SEE THE TRUTH → 🏈"Build me a teaser."
GENERATE ONE → 🎯"Just show me the best bets."
SCORE THE BOARD → ⚾"Will they score in the first?"
RATE TONIGHT → 🎁"Got a free bet."
MAKE IT CASH →
The honest pitch: most of this site helps you bet smarter. THIS page is the shelf where the math itself pays. Arbitrage. Middles. Hedges. Best-price shopping. If you can read two numbers and tap two apps, you can run every play on this shelf — that's the whole skill requirement. The house edge is a choice. Stop choosing it.

⚡ LIVE BOARDSHUNTING RIGHT NOW

💰

The Arb Finder

LIVE
Two books disagree hard enough — back both sides and profit either way. The scanner reads every book all day and flags the gaps in gold.
WIN·WINarithmetic, not a pick
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💸

Rake Calculator

What the house keeps before a point is scored.
DFS
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🧮

The Contest Lab

Seven DFS money-math tools behind one door — rake, overlay, duplication, exposure, swap EV, correlation and the field. The math the contest sites hope you skip.
🔀

Lineup Shuffler

Builds DFS lineups that spend the cap — every shuffle maximizes salary toward the $50,000 ceiling instead of leaving money on the bench.
📐

DFS Edge

Value per dollar on tonight’s slate — who out-earns his price tag, ranked.
📒

Profit Tracker

Entries against fees against payouts — your real net.
DFS
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🎯

Exposure

How much of your money rides on one player.
DFS
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👥

Duplication Risk

The odds someone else built your exact lineup.
DFS
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💰

Overlay Finder

When the house pays the difference on an unfilled contest.
DFS
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🔄

Swap EV

Whether the late swap is edge or just movement.
DFS
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🧬

Correlation

Which legs genuinely move together.
DFS
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🎯

Middle Finder

LIVE
Two numbers, one gap — win both sides at once.
NFL · NBA · MLB
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💠

+EV Finder

LIVE
Every posted price against its true number.
9+ BOOKS
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📡

Steam Radar

LIVE
Where the sharp money just moved.
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🔥

Heat Map

LIVE
Which book is off the market right now.
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🛒

Price Board

LIVE
Best number on every prop, all books.
SHOP EVERY LINE
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🚦

Hit-Rate Board

Who's actually cashing lately.
L5 · L10 · L20
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✅

Graded Ledger

Every AI-powered call we made, wins and losses, on one ledger.
RECEIPTS
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🎯 GRADE THE BETIS THIS NUMBER WORTH FIRING?

🏈

Cover Probability

🔥 SHARP PICK
Your projected line against their spread, drawn on the real margin curve — cover %, push %, and what it's worth per $100.
57.4%sample cover
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⚖️

Devig Calculator

Strip the vig, see the market's real opinion.
+142-110
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💠

EV Calculator

Your win % + their price = the truth in dollars.
+$9.53per $100
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↔️

Spread ⇄ ML

Convert either direction, catch the stale market.
-3 → -143
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🪝

Should I buy the hook?

Off 3 is worth 39¢ and the book charges 20. Off 11 is worth 7¢ and the book charges 20. Measured on every NFL game since 2015.
3,028 GAMESREAL FREQUENCIES
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🏈

Passer Rating

The official formula on a live gauge.
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🧮

The Appraiser

What a player prop is honestly worth.
NO PROPS = NO VERDICT
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📈

Poisson

Price any over/under from an expected rate.
λ 2.5 → 45.6%
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🎫 BUILD THE TICKETPARLAYS · TEASERS · HEDGES

🤖

AI Parlay Generator

🔥 SHARP PICK
The house machine builds the ticket and shows its math — every leg justified, no gut calls, no guru.
+612
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🧀

Teaser Calculator

🔥 SHARP PICK
True teased-leg odds plus the Wong flag.
CROSSES 3 & 7
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🎰

Parlay Calculator

Any legs, any prices, exact payout.
UP TO 12 LEGS
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🔄

Round Robin

Every combo priced before you buy it.
2s · 3s · 4s
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💣

Truth Machine

What that 10-leg dream really pays vs costs.
REALITY CHECK
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🩺

Parlay Doctor

Paste your slip and get it graded before you bet it — correlation traps, dead legs and the price you should be getting.
🛡️

Hedge Lab

Lock the win, or let it ride — both priced.
FREE-ROLL MATH
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🎁

Bonus Converter

Turn the free bet into guaranteed cash.
71%conversion
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⚡

Profit Boost

What that 30% boost is really worth.
+100 → +130
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🛡️ PROTECT THE ROLLSIZING · RECORDS · REALITY

📓

The CLV Tracker

Did you beat the closing line? The only test that separates skill from luck — logged bet by bet, honestly.
+2.8%sample CLV
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🎯

Kelly Calculator

You found an edge — here's the stake.
SHARPS LIVE AT HALF
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📒

Units & ROI

Your record, graded like a receipt.
+5.0usample
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💸

Arb Calculator

Split the stakes, lock the profit.
2 & 3-WAY
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📉

Losing Streak

How long a cold run is still normal.
DON'T PANIC
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🔬

The Bet Lab · Backtester

Test any angle against every NFL game since 2015 — road dogs, division games, off a bye, wind — and get the real ATS record with the profit at -110.
HISTORY DOESN'T LIE
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🔁

Odds Converter

American, decimal, fractional, probability.
4 FORMATS
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📊

The Long Run

Where this all ends after 1,000 bets.
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🎰 Paradise rules: arbs and middles depend on real, live prices that move fast and can vanish before you fire — always confirm at the book. Limits, voids, and bans on winners are real book behavior. Third-party data can be wrong (User Agreement). 21+ · If it stops being fun, it stops. Responsible play.