Edge Reactive Calculator

BMR (Mifflin-St Jeor) & Total Daily Energy Expenditure (TDEE)

Calculate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) to identify exact caloric maintenance and fat loss targets.

Input Parameters

Auto-calculates on change

Live Edge Calculation

< 5ms latency
Basal Metabolic Rate (BMR)
1708.00 kcal/day
Daily Maintenance Calories (TDEE)
2647.00 kcal/day
Fat Loss Target (15% Deficit)
2250.00 kcal/day
Lean Muscle Gain Target (+10% Surplus)
2911.00 kcal/day

Underlying Computational Formula

Mifflin-St Jeor Formula: BMR = (10 × wt_kg) + (6.25 × ht_cm) - (5 × age) + (5 for men, -161 for women)

Frequently Asked Questions

How does the BMR (Mifflin-St Jeor) & Total Daily Energy Expenditure (TDEE) calculate outputs?

This engine executes deterministic calculations on the Cloudflare edge runtime using the standard formula: Mifflin-St Jeor Formula: BMR = (10 × wt_kg) + (6.25 × ht_cm) - (5 × age) + (5 for men, -161 for women). Calculations execute in under 10ms with zero client-side JavaScript hydration lag.

Can I automate this calculation with an API or AI agent?

Yes. POST to https://figiva.com/api/calculate/health-bmr-tdee-energy/ with parameter keys matching this form. You will receive structured JSON results with zero hallucination.

Is this calculator completely free?

Yes. All 65+ calculation engines on CalcSite by Figiva are 100% free with zero paywalls, zero registration requirements, and zero advertising cookies.