Free sports calculators for batting average, on-base percentage, slugging, OPS, and cricket. Stats explained clearly, no signup.
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Sports calculators here cover the statistical side of athletic performance — batting averages, on-base percentage, slugging, OPS, and cricket batting averages. The flagship tool is the Batting Average Calculator, which handles both baseball and cricket conventions and optionally expands into the sabermetric trio of OBP, SLG, and OPS that modern baseball analysis relies on. More performance metrics — earned run average (ERA), bowling averages, win shares, and so on — will be added as the category grows.
Every formula here is shown in full, with the standard reference values. Batting average in baseball is hits divided by at-bats, displayed in the conventional three-decimal format (.000) with no leading zero. OBP correctly excludes sacrifice bunts from its denominator (only sacrifice flies count); SLG weights extra-base hits (single = 1, double = 2, triple = 3, home run = 4). Cricket batting average is runs divided by dismissals (not innings) and is reported to two decimals like 53.78. The calculators implement the rules exactly as they appear in MLB and ICC official scoring.
Does the Batting Average Calculator handle both baseball and cricket?
Yes — it has a mode switch at the top. Baseball mode takes at-bats and hits and computes batting average to three decimals (.275, not 0.275 — the convention drops the leading zero). You can optionally expand it to include walks, hit-by-pitch, sacrifice flies, doubles, triples, and home runs, and it will then compute on-base percentage, slugging, and OPS as well. Cricket mode takes runs scored, innings batted, and not-outs, and computes the average correctly as runs divided by dismissals (not innings) to two decimals.
What's the difference between batting average and OBP?
Batting average only counts hits in the numerator and at-bats in the denominator. On-base percentage (OBP) credits the batter for any way of reaching base safely without an error — hits plus walks plus hit-by-pitch — and uses plate appearances (at-bats plus walks plus hit-by-pitch plus sacrifice flies) as the denominator. A player batting .250 might have a .350 OBP if they walk a lot, which is why OBP is generally considered a better measure of offensive contribution. Sabermetrics treats OBP as roughly 1.7× more valuable than batting average for predicting runs scored.
Why is cricket batting average so much higher than baseball?
Different denominators. Baseball divides hits by at-bats, where any successful at-bat is one "hit" event — so the maximum theoretical average is 1.000 and elite hitters land around .300–.350. Cricket divides total runs (which accumulate per innings) by dismissals, and a single innings can yield 50, 100, or even 200+ runs. So averages compound into the dozens. Don Bradman's career average of 99.94 means he scored about 100 runs every time he was dismissed — extraordinary because the next-best in history is around 60.
Are these stats useful for fantasy baseball or sports betting?
For fantasy baseball, OBP and SLG (and especially OPS) are far more predictive of fantasy points than batting average alone, which is why most fantasy leagues now use OPS-based scoring or its components. For sports betting, the value of stat calculators is mostly in sanity-checking implied probabilities and understanding what a player's recent line means — a hot streak by batting average alone can hide a low OBP, which usually doesn't persist. We don't provide odds or betting advice; we just compute the underlying stats accurately so you can use them as you see fit.