Report a Bug

Found an incorrect result, a broken calculator, or a number that just doesn’t look right? Tell us — we investigate every report and take accuracy seriously.

🔍 Every report reviewed No report goes unread. Calculator errors are our top priority.

⚡ Fast turnaround Confirmed errors are corrected within 1–2 business days.

🙏 Credit given Significant corrections are acknowledged. Your help makes tools better for everyone.

Submit a bug report

Be as specific as possible — the more detail you provide, the faster we can investigate.

Before you submit — please include

The name or URL of the specific calculator
The exact values you entered
The result CalculatorMom gave you
What result you expected and why (reference source if possible)
Your device and browser if reporting a display or UI issue

⚠️ Bug reports are for calculator errors and website issues only. For personalized financial, medical, or automotive questions, please consult a qualified professional — we are unable to provide individual advice.

Types of issues we handle

High

Formula error

Calculator produces a mathematically incorrect result based on the inputs given.

High

Wrong unit conversion

Metric/imperial output is off or units are misapplied in the calculation.

Medium

Incorrect assumption

The formula is correct but uses a default value (rate, factor, constant) that differs from the current accepted standard.

Medium

Broken calculator

The calculator does not load, inputs don’t work, or the result field stays empty.

Low

Display / layout issue

Formatting, overlapping elements, or readability problems on a specific device or browser.

Low

Typo or content error

Incorrect label, unit name, description text, or spelling error on a calculator page.

What happens after you submit

We read your report and identify the calculator and inputs involved.

We reproduce the issue and check the formula against the authoritative reference source.

If a genuine error is confirmed, we correct the calculator and update the page.

We reply to let you know the outcome — whether fixed, explained, or under further review.

Our accuracy commitment

Every calculator on CalculatorMom is built on established formulas and credible reference data. When we get something wrong, we want to know — and we want to fix it fast. Accurate tools are the only reason this site exists.