Profit Margin Calculator

Find the selling price needed to hit a target profit margin on a product.

Treadmill Calorie Calculator

ACSM walking/running calories burned on a treadmill.

Mortgage Calculator

Calculate your monthly mortgage payment including property tax and insurance.

Pregnancy Week-by-Week Calculator

Exact gestational age in weeks and days.

Paint Calculator

Estimate how many liters of paint you need for a wall, accounting for coats and openings.

IVF Total Cost Calculator

Per-cycle IVF cost and expected cycles to live birth.

Payroll Calculator

Calculate gross salary, tax and net take-home pay including overtime.

GLP-1 (Ozempic / Wegovy) Lifetime Cost

Lifetime drug cost with insurance and comorbidity offsets.

Biological Age Calculator

Biological age from chronological age and lifestyle inputs.

Plaster Calculator

Calculate cement and sand quantities needed to plaster a wall to a given thickness.

Smoking Quit Savings Calculator

Money saved by quitting over a projection horizon.

Eldercare Lifetime Cost Calculator

Lifetime care cost by level with caregiver opportunity cost.