New Elo
Calculate New Elo instantly with the exact formula and a worked example. Free online calculator — no signup.
New Elo
Current Elo
Opponent Δ
Win (1=yes)
New Elo
1,520.4821
More about: New Elo
What it calculates
The “New Elo” calculator computes New Elo from 3 parameters: current elo, opponent δ, win (1=yes).
Calculations for sports statistics, games, and training.
Example calculation
With parameters Current Elo = 1,500, Opponent Δ = 100, Win (1=yes) = 1 the result is 1,520.48.
How to use
- Enter the parameter values — every field above is adjustable with a slider.
- The result and related metrics are calculated automatically as you type.
- Use the additional metrics shown (if any) where needed.
- Copy the result or bookmark the page.