How do I use a sports betting odds calculator?

Enter your bet amount and the odds (American, Decimal, or Fractional format) into the calculator. It will instantly show your potential payout and profit. Our free sports betting odds calculator works for all sports including NFL football, NBA basketball, and MLB baseball.

How do I convert American odds to decimal odds?

For positive American odds: Decimal = (American/100) + 1. For negative American odds: Decimal = (100/|American|) + 1. For example, +150 American = 2.50 Decimal, and -150 American = 1.67 Decimal. Use our free odds converter for instant conversions.

What is the best free parlay calculator?

SportsBettingOddsCalculator.com offers the best free parlay calculator online. Enter up to 15 legs with American, Decimal, or Fractional odds to instantly calculate your total parlay payout and implied probability.

How do I calculate my betting payout?

Use our bet payout calculator: enter your stake and odds. For American odds, if positive: Payout = Stake × (Odds/100) + Stake. If negative: Payout = Stake × (100/|Odds|) + Stake. Our calculator does this instantly for any odds format.

What is an odds payout chart?

An odds payout chart shows potential winnings at different odds levels. Our calculators provide dynamic payout charts for any stake amount, showing payouts for common odds like -110, +100, +150, -200, and more.

Dome Team Travel & Weather Calculator

Quantify how dome teams perform when traveling to outdoor stadiums in bad weather. Data-driven analysis of a classic betting angle.

Game Setup

Dome Team (Road)

Temperature (Fahrenheit)

Wind Speed (mph)

Precipitation

Current Spread

Current Total

Dome Team Outdoor Performance (2018-2025)

Team	Stadium	Outdoor Record	Spread Diff	Total Diff	Cold <32°F>
LV	Allegiant Stadium	17-25	-3.2	-4	-5.8
ARI	State Farm Stadium	18-24	-2.8	-3.2	-4.5
HOU	NRG Stadium	19-23	-2.2	-3.5	-5.2
NO	Caesars Superdome	20-22	-2	-3	-4.8
ATL	Mercedes-Benz Stadium	22-20	-1.5	-2.8	-3.8
MIN	U.S. Bank Stadium	22-20	-1.5	-2.5	-1
DET	Ford Field	20-22	-1.2	-2.2	-1.5
IND	Lucas Oil Stadium	21-21	-1	-1.8	-2
DAL	AT&T Stadium	25-18	-0.8	-1.5	-2.2
LAR	SoFi Stadium	23-19	-0.8	-1.5	-3.2
LAC	SoFi Stadium	24-18	-0.5	-1.2	-3.5

Outdoor Teams in Dome Games

Cold-weather outdoor teams typically perform BETTER in domes.

BUF15-12

Spread:+1.2

Total:+2.5

GB18-10

Spread:+2

Total:+3.2

CHI14-14

Spread:+0.5

Total:+1.8

NE16-12

Spread:+1.5

Total:+2.2

KC12-8

Spread:+1.8

Total:+2.8

DEN11-9

Spread:+1.2

Total:+2

CLE10-12

Spread:+0.2

Total:+1.5

PIT14-10

Spread:+1

Total:+1.8

Weather Condition Impacts

cold

< 32°F

Spread:-1.5

Total:-3.5

wind

> 15 mph

Spread:-0.5

Total:-4

rain

Active rain

Spread:-0.8

Total:-2.5

snow

Active snow

Spread:-1.2

Total:-5.5

extreme cold

< 20°F

Spread:-2.5

Total:-6

Dome Team Weather Analysis

The "dome team in bad weather" angle is one of the oldest in NFL betting - but is it actually profitable? Our analysis of nflverse data from 2018-2025 shows measurable but nuanced effects.

Key Findings

Vegas Raiders: Worst outdoor performance (-3.2 spread diff)
Cowboys: Best dome team outdoor performer (-0.8 spread diff)
Cold Weather: Dome teams from warm climates (ARI, HOU, NO) struggle most
Reverse Angle: Outdoor cold-weather teams (GB, BUF) excel in domes

Historical analysis from nflverse game data (2018-2025)

This calculator is for informational and educational purposes only. Results should be verified with your sportsbook before placing any wagers. All betting carries risk. Full Disclaimer