diff --git a/cmd/limactl-menu/main.go b/cmd/limactl-menu/main.go
index 33ac9f2a..dcbf51db 100644
--- a/cmd/limactl-menu/main.go
+++ b/cmd/limactl-menu/main.go
@@ -12,6 +12,7 @@ import (
 	"slices"
 	"strings"
 
+	"github.com/docker/go-units"
 	"github.com/gdamore/tcell/v2"
 	"github.com/rivo/tview"
 	"github.com/sirupsen/logrus"
@@ -141,8 +142,7 @@ func fmtInst(in *limatype.Instance) string {
 		name = name[:13] + "..."
 	}
 
-	mem := float64(in.Memory) / 1e9
-	cpusMem := fmt.Sprintf("%dCPU/%.1fGB", in.CPUs, mem)
+	cpusMem := fmt.Sprintf("%dCPU/%s", in.CPUs, units.BytesSize(float64(in.Memory)))
 
 	sshAddr := fmt.Sprintf("%s:%d", in.SSHAddress, in.SSHLocalPort)
 	if in.SSHAddress == "" || in.SSHLocalPort == 0 {
diff --git a/cmd/limactl-menu/main_test.go b/cmd/limactl-menu/main_test.go
new file mode 100644
index 00000000..a7cb5d9f
--- /dev/null
+++ b/cmd/limactl-menu/main_test.go
@@ -0,0 +1,21 @@
+// SPDX-FileCopyrightText: Copyright The Lima Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package main
+
+import (
+	"strings"
+	"testing"
+
+	"gotest.tools/v3/assert"
+
+	"github.com/lima-vm/lima/v2/pkg/limatype"
+)
+
+func TestFmtInstUsesBinaryMemoryUnits(t *testing.T) {
+	inst := &limatype.Instance{
+		Name: "default", Status: limatype.StatusRunning, CPUs: 4, Memory: 4 << 30,
+	}
+	formatted := fmtInst(inst)
+	assert.Assert(t, strings.Contains(formatted, "4CPU/4GiB"), formatted)
+}