Calculators
BAC Calculator
Estimate blood alcohol content from drinks, time, weight, and sex. Includes time-to-legal-limit and time-to-zero. Built by Tolyo.app.
≈ 75.0 kg
Typical ≈ 0.010–0.020
Increases effective absorption slightly
| # | Drink | Volume (ml) | ABV (%) | Ethanol (g) |
|---|---|---|---|---|
| 1 | Beer (355 ml, 5%) | 355 | 5.0 | 14.00 |
| Total ethanol | 14.00 g | |||
Estimated BAC (now)
0.000%
Before metabolism: 0.027%
Time to legal limit
At or below
Limit selected: 0.08%
Time to 0.00%
0h 0m
Using elimination rate 0.015%/hr
Weight & factor
75.0 kg • r=0.68
Sex affects Widmark r (body water)
Important
- This is an estimate (Widmark formula). Real BAC varies by many factors. Do not use Tolyo.app’s calculator to decide whether to drive or operate machinery.
- Legal limits differ by country/region; select the one that applies to you.
- If in doubt, choose not to drive. Arrange safe transport.
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