Formula explanation
This calculator applies standard mathematical formulas relevant to BMR Calculator.
Total runs
0
Successful
0
Failed
0
Workspace
Run & review
Inputs on the left, structured output on the right.
Input
Fill inputs and click Run Tool to generate results.
Insights
Insights will appear as soon as valid values are entered.
At a glance
Related tools
More from Calculators — pick another utility in this collection.
HTTP API
Use this tool via API
Call BMR Calculator from scripts or backends with the same inputs as the form above.
Requires a personal access token with the tools:execute scope.
Security middleware is enforced server-side: request shape validation, abuse throttling, optional request signing, plan/tool authorization, and conditional CAPTCHA challenge for suspicious traffic.
Authentication
Send either Authorization: Bearer YOUR_TOKEN
or X-API-Key: YOUR_TOKEN.
Create tokens under Dashboard → API Tokens and enable tools:execute.
Alternatively, exchange email and password for a token: POST https://toolversa.com/api/auth/token (JSON body: email, password, optional device_name, abilities[], expires_at).
Required request headers
Accept: application/json
Content-Type: application/json
User-Agent: your-app-name/1.0
Authorization: Bearer YOUR_TOKEN
# or:
X-API-Key: YOUR_TOKEN
Optional hardening: request signing can be enabled by ops via API_SIGNATURE_ENABLED=true.
Synchronous execution
POST https://toolversa.com/api/tools/bmr-calculator
Accept: application/json
Authorization: Bearer YOUR_TOKEN
Content-Type: application/jsonParameters
| Name | Type | Required |
|---|---|---|
| gender | select | Yes |
| weight_kg | number | Yes |
| height_cm | number | Yes |
| age_years | number | Yes |
Example JSON body
{
"gender": "male",
"weight_kg": 0,
"height_cm": 0,
"age_years": 0
}Response
JSON envelope:
{
"success": true,
"data": {
"tool": { "id": 104, "name": "...", "slug": "bmr-calculator" },
"output": { /* tool-specific result */ },
"duration_ms": 0,
"status": "success",
"response_token": "short_lived_integrity_token"
},
"message": "Tool executed successfully."
}
Error status map: 401 unauthorized/signature, 403 plan/access/captcha, 409 replay detected,
413 payload too large, 415 content-type rejected, 422 validation/execution, 429 rate/abuse limits.
Documentation
BMR Calculator – Formula, Example, and FAQ
Use this BMR Calculator to calculate results quickly with structured output, insights, and reusable share links.
How to use BMR Calculator
- 1 Enter all required inputs in the form.
- 2 Click Run Tool to calculate result.
- 3 Review result cards, insights, and chart sections.
- 4 Use Copy/Share/Download for further use.
In depth
Example calculation
Use demo-friendly values to understand how each input impacts output.
Benefits
Faster estimation, reduced manual errors, and better scenario comparison.
Frequently asked questions
Quick answers to common questions.
Can I use this calculator on mobile?
Yes, the calculator interface is fully responsive.
Can I save my calculation?
Yes, signed-in users can view recent run history.
Can I share the result?
Yes, use the share option to generate a shareable link.
How do I improve result accuracy?
Ensure units and numeric inputs are correct before running.