Convert step counts to calorie burn with weight-adjusted math. Learn what 12,000 steps really cost — free, local, estimate only.
Estimate cycling burn from weight, speed, and distance with speed-based MET bands. Price a 40 km weekend ride in calories — free, local, estimate only.
Estimate workout burn across running, cycling, swimming, yoga, and lifting from weight and duration. Price a 45-minute run in calories — free, local, estimate only.
Estimate calories burned making breast milk by baby age and feeding frequency, at ~0.67 kcal per mL. Fuel milk production without guessing — free, local, informational only.
Estimate pages from word count and font size — about 500 words/page at 12pt, 600 at 10pt and under. Font-size-only math, no spacing or margin inputs — free, local, no signup.
Estimate API bills from request volumes and price-per-million — OpenAI and Stripe presets included. Forecast a 1M-request month before committing — local math, free, no signup.
Burn = distance × weight × 1.036, with stride = height × 0.415: defaults (10,000 steps, 70 kg, 170 cm) cover 7.05 km and burn ≈512 kcal. Heavier walkers and longer strides burn more.
Height-driven stride, terrain, and body composition shift burn ±30%. Flat treadmill steps cost less than hilly outdoor ones.
At most half when losing weight — overestimation stalls deficits. Whole-food refuels beat 'earned' treats.
No — math runs locally in your browser. Nothing leaves your device.
Steps to Distance
Convert step counts to kilometers and miles plus calorie estimates from height-based stride. Log daily steps with distance context — free, local, no signup.
Calories Burned Calculator
Estimate workout burn across running, cycling, swimming, yoga, and lifting from weight and duration. Price a 45-minute run in calories — free, local, estimate only.
Last updated October 2026