About This Calculator
This acceptable age gap calculator uses the popular “half your age plus seven” rule to suggest minimum and maximum dating ages. It's a fun and simple way to check what age range is considered socially acceptable for relationships.
If you want to calculate the age difference between two people, please use our Age Gap Calculator instead.
How It Works
Based on your input age, the calculator applies two formulas:
Acceptable Age Range Table
| Your Age | Min | Max |
|---|---|---|
| 15 | 14.5 | 16 |
| 16 | 15 | 18 |
| 17 | 15.5 | 20 |
| 18 | 16 | 22 |
| 19 | 16.5 | 24 |
| 20 | 17 | 26 |
| 21 | 17.5 | 28 |
| 22 | 18 | 30 |
| 23 | 18.5 | 32 |
| 24 | 19 | 34 |
| 25 | 19.5 | 36 |
| 26 | 20 | 38 |
| 27 | 20.5 | 40 |
| 28 | 21 | 42 |
| 29 | 21.5 | 44 |
| 30 | 22 | 46 |
| 35 | 24.5 | 56 |
| 40 | 27 | 66 |
Frequently Asked Questions
What is the “half your age plus seven” rule?
It's a social rule of thumb that suggests the minimum acceptable dating age is half your age plus seven years.
Is there a formula for maximum acceptable age?
Yes, it's calculated as (your age minus 7) times 2.
Does this calculator work for all ages?
It’s typically used for adults aged 14 and up. Below that, the rule doesn't apply meaningfully.
Is this rule a hard rule?
No, it's a guideline often cited for fun or casual reference, not a strict or scientific standard.
I’m 30 years old — what’s my acceptable age range?
According to this calculator: 22 to 46 years old.