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62 evidence-based calculators built on standard clinical formulas — CKD-EPI 2021, Daugirdas, Cockcroft-Gault, Schwartz, Watson, and KDOQI/KDIGO targets. Free, no signup, with plain-language interpretation and cited sources.
Estimate glomerular filtration rate and check your CKD stage
Use calculatorEstimate creatinine clearance for drug dosing
Use calculatorClassify your CKD stage from eGFR and albuminuria
Use calculatorConfirm kidney function with a muscle-independent marker
Use calculatorMeasure how fast your kidney function is falling
Use calculatorEstimate kidney function in children
Use calculatorCheck your risk factors for chronic kidney disease
Use calculatorEstimate your kidney age from your eGFR — how old are your kidneys compared to your body?
Use calculatorIs your eGFR normal for your age? Compare against a healthy reference population
Use calculatorCheck hemodialysis adequacy from pre/post BUN
Use calculatorQuick dialysis adequacy check from pre/post BUN
Use calculatorHemodialysis adequacy adjusted for urea rebound
Use calculatorConvert your URR into single-pool Kt/V with dialysis time and ultrafiltration
Use calculatorCalculate BSA for dialysis and drug dosing
Use calculatorCheck your body mass index
Use calculatorCalculate IV fluid effect on serum sodium
Use calculatorEvaluate metabolic acidosis
Use calculatorCalculate IBW and adjusted weight for drug dosing
Use calculatorCheck perfusion pressure and pulse pressure
Use calculatorEstimate TBW and plan hypernatremia correction
Use calculatorDistinguish prerenal azotemia from intrinsic kidney disease
Use calculatorAdjust serum calcium for low albumin
Use calculatorStage albuminuria and check diabetic kidney disease risk
Use calculatorEstimate daily protein loss from a spot urine sample
Use calculatorCheck if metabolic acidosis compensation is adequate
Use calculatorDetect unmeasured osmoles (toxins, mannitol)
Use calculatorEstimate sodium bicarbonate needs in metabolic acidosis
Use calculatorDetect mixed acid-base disorders
Use calculatorLocalize the cause of potassium disorders
Use calculatorTriage AKI: prerenal vs intrinsic tubular injury
Use calculatorDistinguish prerenal from ATN — even on diuretics
Use calculatorStage acute kidney injury from creatinine and urine output
Use calculatorEstimate monthly dialysis revenue from chairs, sessions, and average price
Use calculatorHow many chairs do you need for your patient load?
Use calculatorEstimate nurses and chairs needed for your patient load
Use calculatorBuild a capital budget estimate from your own quotes
Use calculatorHow many sessions per month to cover your costs?
Use calculatorWhat does one dialysis session actually cost you?
Use calculatorEstimate payback period and return on investment for a dialysis unit
Use calculatorBlend cash, insurance, and scheme prices into a weighted average session price
Use calculatorMeasure chair utilization — actual sessions vs maximum capacity
Use calculatorEstimate the monthly staffing cost of nurses and technicians across shifts
Use calculatorPer-session contribution and monthly margin for a dialysis center
Use calculatorHow many dialysis machines do you need for your session load?
Use calculatorWhat missed sessions are costing your center
Use calculatorCompare indicative per-session dialysis reimbursement across India, the US, Indonesia, and Saudi Arabia.
Use calculatorThis content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.